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Oregon Ssmart Dynamo 2 Review | 171 Data compared

Avg. price in UK: ~£90
Avg. price in US: ~$100
Form factor: wristband
Battery life: 7 days
Screen size: 0.96 inch

Oregon Ssmart Dynamo 2 review. Compare 171 technical specifications and user reviews to see how it ranks among fitness trackers and if it is worth buying.

7.2

Very good

7.2

Very good

?

3.3
Swimming
Score components:
28.0%
2.8
ATM rating
24.0%
4.0
Open-water swim mode
18.0%
2.8
Waterproof depth rating
15.0%
4.0
GPS
15.0%
3.0
Battery life
5.4
Kids
Score components:
30.0%
3.0
Battery life
25.0%
8.8
Weight
20.0%
2.8
ATM rating
15.0%
4.9
Screen size
10.0%
10
Price

No image

No image

Best prices in UK

N/A~ £90

Best rankings

#74 in Best Fitness Trackers for Women
#104 in Best Fitness Trackers

Verdict

The Oregon Scientific Ssmart Dynamo 2 is a versatile 24/7 activity tracker designed for both wrist and pocket wear with a removable module and a 0.96-inch OLED display. It tracks essential metrics including steps, distance, calories burned, active/inactive minutes, and detailed sleep stages, while offering smart features like caller ID, SMS, and email notifications via Bluetooth 4.0. Its main advantages include a respectable 7-day battery life, a lightweight silicone band, and an on-demand heart rate measurement feature that promotes overall wellness. However, some users may find the lack of a built-in GPS and a relatively basic monochromatic interface limiting compared to modern high-end competitors.

Technical Specifications of Oregon Ssmart Dynamo 2

Overall score

7.2

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?

Popularity

What it is: An indicator based on the number of reviews received by the fitness tracker.

When it matters: When you prefer to buy a product chosen and reviewed by many other consumers.

Health

7.5

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Heart rate monitor

What it is: Sensor that measures heart rate in real time.

When it matters: When you care about live heart-rate feedback during training or resting trends outside of workouts.

Importance: HIGH

?

Resting heart rate

What it is: Measures heart rate while resting.

When it matters: When deeper insight into sleep quality, recovery, or overall readiness matters more than raw numbers alone.

Importance: MEDIUM

?

Fast/slow heart rate alerts

What it is: Alerts for heart rates that are too fast or too slow.

When it matters: When you want the tracker to warn you about unusual changes instead of only logging them.

Importance: LOW

?

Irregular heart rate alerts

What it is: Warns of irregular or abnormal heart rhythms.

When it matters: When you want the tracker to warn you about unusual changes instead of only logging them.

Importance: LOW

?

Blood oxygen sensor

What it is: Sensor that measures blood oxygen saturation.

When it matters: When blood oxygen readings are part of the health picture you want from the device instead of relying on heart rate and step count alone.

Importance: MEDIUM

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Sports & Navigation

7.7

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GPS

What it is: Satellite navigation capability for positioning and tracking.

When it matters: When you train outdoors and want pace, distance, and route tracking without depending completely on your phone.

Importance: LOW

Satellite systems supported

What it is: States which satellite navigation systems the device can use for positioning.

When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

GNSS bands supported

What it is: Number and type of GNSS frequency bands supported.

When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

Galileo support

What it is: Supports Galileo satellite system.

When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

Acquires GPS faster

What it is: Shows whether the tracker includes features that help it lock onto satellite positioning more quickly at the start of an outdoor activity.

When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

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Smart Features

8.0

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Notifications

What it is: Delivers smartphone notifications on the watch.

When it matters: When getting calls, messages, and app alerts on your wrist saves you from checking your phone constantly.

Importance: MEDIUM

Vibrating alerts

What it is: Provides vibration-based notifications and alerts.

When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

Call control

What it is: Allows control of phone calls from the device.

When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

Call answering

What it is: Allows answering calls directly from the device.

When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

Calendar sync

What it is: Syncs calendar events with the connected device.

When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

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App & Wellness

8.2

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Activity reports

What it is: Generates summaries and insights from activity data.

When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

Goal setting

What it is: Allows setting personal fitness or activity goals.

When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

Achievements

What it is: Rewards progress and completed milestones.

When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

?

Inactivity alerts

What it is: Alerts when the user has been inactive for too long.

When it matters: When account rules, app costs, exports, or software flexibility affect whether the ecosystem suits you long term.

Importance: LOW

Coaching

What it is: Provides guided training and workout advice.

When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

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Connectivity

7.9

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Bluetooth version

What it is: Version of Bluetooth supported by the device.

When it matters: When wireless stability, pairing quality, and long-term phone compatibility matter more than Bluetooth being a simple checkbox.

Importance: LOW

Good value: >=5.0

?

Maximum Bluetooth range

What it is: States the maximum Bluetooth connection range supported under normal conditions.

When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

Good value: >=10 m

?

NFC

What it is: Supports near-field communication for contactless features.

When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

Wi-Fi connectivity

What it is: Connects to wireless internet networks.

When it matters: When the tracker should sync, update, or download data directly without always routing everything through the phone.

Importance: LOW

Wi-Fi version

What it is: Version of Wi-Fi standard supported.

When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

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Battery

5.9

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Battery life

What it is: Total time the battery lasts on a full charge.

When it matters: When the tracker needs to last through travel, sleep tracking, long workouts, or several days between charges.

Importance: HIGH

Good value: >5 days

Battery life with GPS on

What it is: Battery duration when GPS tracking is active.

When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

Good value: >=8 hours

?

Battery life in training mode

What it is: Battery duration during active training sessions.

When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

?

Battery life in power-saving mode

What it is: Battery duration when using power-saving mode.

When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

?

Battery capacity

What it is: Energy storage capacity of the battery.

When it matters: When you want rough battery context behind the runtime claim instead of trusting the advertised hours alone.

Importance: MEDIUM

Good value: >=100 mAh

?

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Display

6.7

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Display

What it is: Main interface showing information and metrics.

When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: LOW

Screen size

What it is: Physical size of the device’s display measured diagonally.

When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: MEDIUM

Display type

What it is: Technology used for the screen, such as AMOLED or LCD.

When it matters: When display technology affects contrast, color quality, power efficiency, or how premium the screen feels.

Importance: MEDIUM

Screen resolution

What it is: Total number of pixels displayed on the screen.

When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: MEDIUM

?

Pixel density

What it is: Number of pixels per inch determining screen sharpness.

When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: LOW

Good value: >=280 ppi

N/A

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Design & Durability

7.1

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Form factor

What it is: Overall physical design and shape.

When it matters: When materials, shape, and build details affect comfort, durability, or how discreet the device feels.

Importance: LOW

wristband

Hybrid design

What it is: Combines analog and digital display elements.

When it matters: When materials, shape, and build details affect comfort, durability, or how discreet the device feels.

Importance: LOW

Designed for kids

What it is: Indicates whether the fitness tracker is explicitly designed for children, with child-focused sizing, branding, safety limits, or kid-oriented activity features.

When it matters: This matters when you want a tracker that is genuinely child-focused rather than just a smaller adult model.

Importance: LOW

Replaceable watch band

What it is: Ability to replace the wristband with other styles.

When it matters: When strap comfort, fit, or the ability to swap bands matters for sport, style, or replacement.

Importance: LOW

?

Band width

What it is: Width of the strap where it connects to the watch.

When it matters: When strap comfort, fit, or the ability to swap bands matters for sport, style, or replacement.

Importance: LOW

18 mm

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Oregon Ssmart Dynamo 2 vs the average fitness tracker

Why is Oregon Ssmart Dynamo 2 better than the average fitness tracker?

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0.5 hours shorter charging time
Oregon Ssmart Dynamo 2 has a lower charging time than the average fitness tracker (1 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
What it is: Time required for a full charge.
When it matters: When short charging windows matter and you do not want the tracker off your wrist for too long.
Importance: MEDIUM
Oregon Ssmart Dynamo 2 has a lower charging time than the average fitness tracker (1 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.1 hours vs 1.5 hours
Phone finder support
Oregon Ssmart Dynamo 2 supports phone finding, while the average fitness tracker does not. 49.5% of fitness trackers support phone finding.
What it is: Helps locate a connected smartphone.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.
Importance: LOW
Oregon Ssmart Dynamo 2 supports phone finding, while the average fitness tracker does not. 49.5% of fitness trackers support phone finding.
Recovery time advisor
Oregon Ssmart Dynamo 2 supports recovery time guidance, while the average fitness tracker does not. 12.7% of fitness trackers support recovery time guidance.
What it is: Estimates recovery duration after workouts.
When it matters: When structured training, recovery planning, or external sensor support matters to your performance analysis.
Importance: LOW
Oregon Ssmart Dynamo 2 supports recovery time guidance, while the average fitness tracker does not. 12.7% of fitness trackers support recovery time guidance.
Low power mode
Oregon Ssmart Dynamo 2 supports low power mode, while the average fitness tracker does not. 24.4% of fitness trackers support low power mode.
Includes a battery saver mode.
What it is: Operates in energy-saving mode.
When it matters: When charging speed, charging method, or battery upkeep convenience matters to your routine.
Importance: LOW
Oregon Ssmart Dynamo 2 supports low power mode, while the average fitness tracker does not. 24.4% of fitness trackers support low power mode.
Call control
Oregon Ssmart Dynamo 2 supports call controls, while the average fitness tracker does not. 40.9% of fitness trackers support call controls.
Reject/mute only.
What it is: Allows control of phone calls from the device.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.
Importance: LOW
Oregon Ssmart Dynamo 2 supports call controls, while the average fitness tracker does not. 40.9% of fitness trackers support call controls.
30.8 mm lower height
Oregon Ssmart Dynamo 2 is shorter than the average fitness tracker (10 mm vs 40.8 mm). The average fitness tracker has a height of 40.8 mm.
What it is: Vertical measurement of the device body.
When it matters: When overall size, thickness, or weight affects comfort during all-day wear, sleep, or exercise.
Importance: LOW
Oregon Ssmart Dynamo 2 is shorter than the average fitness tracker (10 mm vs 40.8 mm). The average fitness tracker has a height of 40.8 mm.10 mm vs 40.8 mm
20% lighter
Oregon Ssmart Dynamo 2 is lighter than the average fitness tracker (20 g vs 25 g). The average fitness tracker weighs 25 g.
What it is: Weight of the device including strap.
When it matters: When overall size, thickness, or weight affects comfort during all-day wear, sleep, or exercise.
Importance: LOW
Good value: <25 g
Oregon Ssmart Dynamo 2 is lighter than the average fitness tracker (20 g vs 25 g). The average fitness tracker weighs 25 g.20 g vs 25 g
Sweat tracking
Oregon Ssmart Dynamo 2 supports sweat tracking, while the average fitness tracker does not. 7.7% of fitness trackers support sweat tracking.
Monitors skin perspiration.
What it is: Tracks perspiration levels during exercise.
When it matters: When you want the tracker to monitor this specific health metric instead of only basic activity data.
Importance: LOW
Oregon Ssmart Dynamo 2 supports sweat tracking, while the average fitness tracker does not. 7.7% of fitness trackers support sweat tracking.
Sweat tracking
Oregon Ssmart Dynamo 2 supports sweat tracking, while the average fitness tracker does not. 7.7% of fitness trackers support sweat tracking.
Recovery time advisor
Oregon Ssmart Dynamo 2 supports recovery time guidance, while the average fitness tracker does not. 12.7% of fitness trackers support recovery time guidance.
0.5 hours shorter charging time
Oregon Ssmart Dynamo 2 has a lower charging time than the average fitness tracker (1 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
Low power mode
Oregon Ssmart Dynamo 2 supports low power mode, while the average fitness tracker does not. 24.4% of fitness trackers support low power mode.
Phone finder support
Oregon Ssmart Dynamo 2 supports phone finding, while the average fitness tracker does not. 49.5% of fitness trackers support phone finding.
Call control
Oregon Ssmart Dynamo 2 supports call controls, while the average fitness tracker does not. 40.9% of fitness trackers support call controls.
1 more physical buttons
Oregon Ssmart Dynamo 2 has a higher physical buttons than the average fitness tracker (1 vs 0). The average fitness tracker has 0 of physical buttons.
30.8 mm lower height
Oregon Ssmart Dynamo 2 is shorter than the average fitness tracker (10 mm vs 40.8 mm). The average fitness tracker has a height of 40.8 mm.
20% lighter
Oregon Ssmart Dynamo 2 is lighter than the average fitness tracker (20 g vs 25 g). The average fitness tracker weighs 25 g.

Design & Durability

Why is Oregon Ssmart Dynamo 2 worse than the average fitness tracker?

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No pace measurement
Oregon Ssmart Dynamo 2 does not support pace measurement, while the average fitness tracker does. 61.3% of fitness trackers support pace measurement.
3 days shorter battery life
Oregon Ssmart Dynamo 2 has a lower battery life than the average fitness tracker (7 days vs 10 days). The average fitness tracker has 10 days of battery life.
0.08 inch smaller screen size
Oregon Ssmart Dynamo 2 has a lower screen size than the average fitness tracker (1 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
No display
Oregon Ssmart Dynamo 2 does not have a display, while the average fitness tracker does. 76.1% of fitness trackers have a display.
Uses indicator lights instead of a full display.
No stopwatch
Oregon Ssmart Dynamo 2 does not have a stopwatch, while the average fitness tracker does. 58.4% of fitness trackers have a stopwatch.
4 ATM lower water resistance rating
Oregon Ssmart Dynamo 2 has a lower ATM rating than the average fitness tracker (1 ATM vs 5 ATM). The average fitness tracker has an ATM rating of 5 ATM.
40 m lower waterproof depth rating
Oregon Ssmart Dynamo 2 has a lower waterproof depth rating than the average fitness tracker (10 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.
No personalization options
Oregon Ssmart Dynamo 2 cannot be personalized, while the average fitness tracker can. 80% of fitness trackers can be personalized.
No BMI tracking
Oregon Ssmart Dynamo 2 does not support BMI tracking, while the average fitness tracker does. 71% of fitness trackers support BMI tracking.
No pace measurement
Oregon Ssmart Dynamo 2 does not support pace measurement, while the average fitness tracker does. 61.3% of fitness trackers support pace measurement.
What it is: Measures running or walking speed.
When it matters: When you want the tracker to capture more workouts and training details with less manual effort.
Importance: MEDIUM
Oregon Ssmart Dynamo 2 does not support pace measurement, while the average fitness tracker does. 61.3% of fitness trackers support pace measurement.
3 days shorter battery life
Oregon Ssmart Dynamo 2 has a lower battery life than the average fitness tracker (7 days vs 10 days). The average fitness tracker has 10 days of battery life.
What it is: Total time the battery lasts on a full charge.
When it matters: When the tracker needs to last through travel, sleep tracking, long workouts, or several days between charges.
Importance: HIGH
Good value: >5 days
Oregon Ssmart Dynamo 2 has a lower battery life than the average fitness tracker (7 days vs 10 days). The average fitness tracker has 10 days of battery life.7 days vs 10 days
4 ATM lower water resistance rating
Oregon Ssmart Dynamo 2 has a lower ATM rating than the average fitness tracker (1 ATM vs 5 ATM). The average fitness tracker has an ATM rating of 5 ATM.
What it is: Water resistance depth measured in atmospheres.
When it matters: When you plan to swim, shower, dive, or use the tracker regularly around water.
Importance: LOW
Good value: >=5 ATM
Oregon Ssmart Dynamo 2 has a lower ATM rating than the average fitness tracker (1 ATM vs 5 ATM). The average fitness tracker has an ATM rating of 5 ATM.1 ATM vs 5 ATM
No personalization options
Oregon Ssmart Dynamo 2 cannot be personalized, while the average fitness tracker can. 80% of fitness trackers can be personalized.
What it is: Shows whether the device or companion platform allows meaningful personalization such as layouts, watch faces, recommendations, or settings.
When it matters: When watch faces, app layout, recommendations, or personalized metrics affect whether the ecosystem feels useful long term.
Importance: LOW
Oregon Ssmart Dynamo 2 cannot be personalized, while the average fitness tracker can. 80% of fitness trackers can be personalized.
40 m lower waterproof depth rating
Oregon Ssmart Dynamo 2 has a lower waterproof depth rating than the average fitness tracker (10 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.
What it is: Maximum depth the device can withstand underwater.
When it matters: When you plan to swim, shower, dive, or use the tracker regularly around water.
Importance: LOW
Good value: >=50 m
Oregon Ssmart Dynamo 2 has a lower waterproof depth rating than the average fitness tracker (10 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.10 m vs 50 m
No stopwatch
Oregon Ssmart Dynamo 2 does not have a stopwatch, while the average fitness tracker does. 58.4% of fitness trackers have a stopwatch.
What it is: Built-in stopwatch for timing activities.
When it matters: When buttons, crowns, gestures, or direct controls affect how quickly you can use the device mid-activity.
Importance: LOW
Oregon Ssmart Dynamo 2 does not have a stopwatch, while the average fitness tracker does. 58.4% of fitness trackers have a stopwatch.
No BMI tracking
Oregon Ssmart Dynamo 2 does not support BMI tracking, while the average fitness tracker does. 71% of fitness trackers support BMI tracking.
What it is: Tracks body mass index changes over time.
When it matters: When tracking daily habits and body trends beyond workouts matters to your health routine.
Importance: LOW
Oregon Ssmart Dynamo 2 does not support BMI tracking, while the average fitness tracker does. 71% of fitness trackers support BMI tracking.
5.81x less popular
Oregon Ssmart Dynamo 2 has a lower popularity than the average fitness tracker (1 vs 5.808).
What it is: An indicator based on the number of reviews received by the fitness tracker.
When it matters: When you prefer to buy a product chosen and reviewed by many other consumers.
Oregon Ssmart Dynamo 2 has a lower popularity than the average fitness tracker (1 vs 5.808).1 vs 5.81

Design & Durability

Graphic comparison of Oregon Ssmart Dynamo 2 and

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Third-party reviews

What customers like about Oregon Ssmart Dynamo 2?

Automatic activity detection for exercises like jogging
Versatile design allows it to be worn on the wrist or carried in a pocket
Clean, unobtrusive, and lightweight silicon wristband design
Intuitive 'Ssmart Fit' app with a helpful setup walkthrough
Provides real-time notifications for calls, texts, and emails
Built-in inactivity alerts to encourage daily movement
Tracks comprehensive metrics including sleep, steps, distance, and calories

What customers dislike about Oregon Ssmart Dynamo 2?

Relatively short battery life (approx. 7 days) compared to long-life alternatives
Requires frequent charging via a cable rather than using long-term replaceable batteries
Lacks advanced hardware features like a touchscreen, GPS, or accelerometer
No silent or smart alarm functionality on standard models
Does not track more advanced metrics like elevation or blood oxygen
Limited operating temperature range (0°C to 40°C)

Expert reviews

culturated.com

01/09/2015

Summary of the review

BEST OUTDOOR GEAR FOR FALL 2015 - Culturated

The Culturated.com "Best Outdoor Gear for Fall 2015" review provides a detailed roundup of essential products curated for Autumn recreation, such as hiking, camping, and fitness activities. The article highlights highly functional gear across several categories, including sports and fitness, tents, bedding, bags, clothing, and outdoor tech. Prominent items featured in the list include the Nixy Sports Huntington Inflatable Paddle Board, the Big Agnes Tumble 2 mtnGLO tent (noted for its integrated seam lighting), the ultra-durable Yeti Hopper 30 cooler, and ExOfficio’s insect-repellent adventure clothing line. The primary pros highlighted across these curated products are their high level of innovation, weight efficiency, and specific utility, such as the Kid-O-Bunk's quick 3-in-1 tool-free assembly and the Arc'teryx Altra 50's weight-reducing suspension framework. Additionally, the technology category emphasizes vital safety benefits, showcasing the Motorola Talkabout T460's reliable 35-mile communication range and the Magellan eXplorist 310's direct-sunlight-readable GPS screen. On the other hand, the implicit cons stem from the specialised focus of the list; the items lean heavily toward premium, enthusiast-grade brands (such as Yeti and Arc'teryx), which inherently involves higher price points...

geekdad.com

03/07/2015

Summary of the review

Workout Smart! Workout Ssmart Dynamo 2+! - GeekDad

In the review from GeekDad, Will James highlights the Oregon Scientific Ssmart Dynamo 2+ as a highly capable, budget-friendly activity tracker that successfully bridges the gap between basic fitness bands and expensive smartwatches. The reviewer praises its clean, unobtrusive design and the unique flexibility of removing the core device from the wristband to carry it in a pocket. In terms of performance, the companion Ssmart Fit app provides an exceptional user experience by offering an interactive feature walkthrough instead of a manual, paired with clear, iconic charts to monitor active minutes, steps, distance, calories, and sleep. A major standout feature is its comprehensive smart notifications—displaying text messages, calls, and app alerts directly on the wrist—which quenched the author's desire for a full smartwatch while costing less than comparable alternatives like the Fitbit Charge. However, the Ssmart Dynamo 2+ does come with a few notable drawbacks. A primary hardware disadvantage is that the device requires a plug-in charger, unlike simpler options like the Fitbit Zip that run on standard onboard batteries. This charging requirement requires an adjustment period for users transitioning...

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