ViewFit vs MATRIX PowerWatch 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ViewFit
Connect your fitness equipment to track workouts and sync data. Link popular fitness apps and wearables to set goals and monitor progress. Integrates with HealthKit for comprehensive fitness tracking.
- Connect cardio equipment
- Track workouts
- Link fitness apps
- Sync wearables
- Set goals
- Join challenges
- HealthKit integration
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ViewFit is compatible with connected cardio equipment from Matrix Fitness, Vision Fitness, and Horizon Fitness. Use ViewFit to track your workouts, link popular fitness apps and wearables, set goals and join challenges – all in the palm of your hand. It uses HealthKit to save your workouts, so they can contribute to your fitness goals and challenges progress.
MATRIX PowerWatch 2
This smartwatch is powered entirely by your body heat and solar energy, eliminating the need for traditional charging. It integrates with Apple HealthKit to provide an active lifestyle experience.
- Body heat powered
- Solar powered
- Always-on display
- Untethered from chargers
- Apple HealthKit integration
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PowerWatch was born out of a mission to create the best active lifestyle smartwatch experience powered by the energy of the user. We’re working to build a world powered by you, where devices can remain always-on and untethered from wasteful chargers. The series of smartwatches powered by only body-heat and solar power, are energized by MATRIX’s Gemini and Mercury modules, and a custom low-powered operating system designed specifically for PowerWatch. PowerWatch works with Apple HealthKit.
Screenshots
Verdict
The clearest difference is rating: MATRIX PowerWatch 2 at 3.2 against ViewFit's 1.0. MATRIX PowerWatch 2 also leads on review sentiment (34% vs 4%) and ratings volume (68 vs 1). ViewFit's advantage is monetization model (free vs paid). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MATRIX PowerWatch 2 holds the better App Store score, 3.2 against 1.0. That said, the two scores are not equally well evidenced: MATRIX PowerWatch 2 has 68 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 4% of ViewFit's written reviews are positive against 34% of MATRIX PowerWatch 2's.
ViewFit ships an update every 3 months, MATRIX PowerWatch 2 every 3 weeks. The most recent releases landed on September 29, 2026 and October 22, 2026 respectively.
| Parameter | ViewFit | MATRIX PowerWatch 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 3.2 (68 ratings) — better |
| Positive reviews | 3.7% of reviews | 34.2% of reviews — better |
| Number of ratings | 1 | 68 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 149 MB | 109 MB |
| Age rating | 12+ | 4+ |
| Developer | Johnson Health Tech North America, Inc. | Matrix Industries, Inc. |
Customer experience
ViewFit
MATRIX PowerWatch 2
User reviews
ViewFit
From 1 App Store ratingsWhat we love
- 👍 Good for monitoring goals
- 👍 Great idea for an app
Room to improve
- 🐛 App crashes frequently
- 🐛 Login issues
- 🐛 Email validation fails
- 🐛 Workouts not syncing
- 🐛 Data upload is unreliable
MATRIX PowerWatch 2
From 68 App Store ratingsWhat we love
- 🔋 Excellent battery life (when functional)
- 👍 Good watch functionality (when functional)
- ✨ New app is an improvement (older reviews)
Room to improve
- ❌ App no longer working
- ❌ Watch becomes useless without app
- ❌ Servers seem offline
- ❌ Support not responding
- ❌ GPS issues
Bugs and requests
ViewFit
Reported bugs
24 issues- App crashes on login
- Cannot validate email address
- Cannot create an account
- Cannot connect equipment
- Workouts not uploading
Show 19 moreShow fewer
- Workouts not syncing
- Data transfer issues
- App closes automatically after logout
- Password reset not working
- User data not saved
- App not working in Russia
- Duplicate activity recordings
- Lost workout editing feature
- No data aggregation
- Equipment not showing in app
- Syncing with Apple Health not working
- Connection issues with Comfort 4.0
- Syncing with Laufband Horizon Elite T5.1 ViewFit not working
- Missing Apple Health Integration
- App not stable, fails to synchronize
- Cannot load workout, missing workout reports
- Hard to connect to equipment, slow data updating
- Cannot add workout or set goals
- Cannot sign in to equipment
Requested features
11 requests- Improve sync reliability
- Fix email validation
- Enhance user interface
- Add Strava integration
- Improve support system
Show 6 moreShow fewer
- Add Apple Health integration
- Restore workout editing feature
- Improve data aggregation
- Make app more intuitive
- Add dark mode option
- Provide better FAQs
MATRIX PowerWatch 2
Reported bugs
58 issues- App cannot connect to internet
- App shows 'you are offline' despite connection
- App cannot login
- App cannot send email
- Watch becomes bricked
Show 53 moreShow fewer
- GPS module not working
- No certificate for GPS
- App requires reinstallation for sync
- App not updated for years
- App not functioning with iOS 15+
- Watch frozen in time
- Watch not charging from body heat
- Solar charging not working
- App scan not functioning
- Cannot get latest update to load (timeout, OTA failure)
- Sync times exceptionally slow
- Sync often fails
- App doesn't store step/workout data
- No info shown in app despite tracking
- Cannot login or register new account
- Login error on multiple devices
- Watch not syncing after iOS update
- Firmware updates delete saved data
- App stalls or crashes when syncing
- No data updated or saved
- App data basic and unsophisticated
- Watch not receiving notifications
- Watch not staying connected to Bluetooth
- Notifications stopped working after update
- Watch restarts and deletes data
- Watch displays wrong time
- Syncing broken, erases recent data
- Syncing issues with iOS 13.4.1
- Watch not syncing with iPhone after iOS update
- Firmware updates make watch unusable
- Watch turns off and on
- App settings for notifications disappeared
- Watch not receiving email/call notifications
- Syncing fails with communication timeout
- Error during re-pairing
- Watch not working with previous watches
- Calorie counter unrealistic after update
- Notifications not set up correctly, requires program restart
- Watch not receiving notifications
- Watch not staying connected to Bluetooth
- Messages not working with iOS APPLE
- Half of functions not working
- Notifications not working
- Syncing failed with communication timeout
- Error during re-pairing
- Watch restarts and deletes data
- Sync doesn't work
- History doesn't work
- Data doesn't link with Health kit
- Syncing issues
- Sync operation unclear
- Syncing failed with communication timeout
- Error during re-pairing
Requested features
12 requests- Add Vietnamese language support
- Add Russian language support
- Display battery level in percentage
- Expand sport types
- Display seconds on watch face
Show 7 moreShow fewer
- Option to take heart rate live on watch
- GPS toggle
- Permanent backlight option with level control
- More explanation regarding interfaces (e.g., red ring)
- Strava integration fix
- More data in Apple Health
- Option to change watch face
In-app purchases
ViewFit
No in-app purchases
MATRIX PowerWatch 2
No in-app purchases
Questions
Is ViewFit free?
Is MATRIX PowerWatch 2 free?
Which has better reviews, ViewFit or MATRIX PowerWatch 2?
Do ViewFit or MATRIX PowerWatch 2 have ads?
Which is updated more often, ViewFit or MATRIX PowerWatch 2?
Other comparisons
