ViewFit vs MATRIX PowerWatch
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
This smartwatch is unique as it never needs charging, instead being powered by your body heat. It tracks calories burned, activity levels, and sleep patterns using advanced thermoelectric technology. It also features a power meter to show your personal energy generation.
- Body heat powered
- No charging required
- Calorie tracking
- Activity monitoring
- Sleep tracking
- Power meter
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The MATRIX PowerWatch is the world’s first smartwatch that you don't have to charge. Powered by your body heat, it measures calories burned, activity level, and sleep using our advanced thermoelectric technology. It is the only smartwatch to feature a power meter which displays how much electrical power you are generating.
Screenshots
Verdict
The clearest difference is rating: MATRIX PowerWatch at 2.0 against ViewFit's 1.0. MATRIX PowerWatch also leads on update cadence (every 3 weeks vs every 3 months) and ratings volume (119 vs 1). ViewFit's advantage is monetization model (free vs paid). On price, review sentiment, ads and in-app purchases 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 holds the better App Store score, 2.0 against 1.0. That said, the two scores are not equally well evidenced: MATRIX PowerWatch has 119 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 10% of MATRIX PowerWatch's.
ViewFit ships an update every 3 months, MATRIX PowerWatch every 3 weeks. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.
| Parameter | ViewFit | MATRIX PowerWatch |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 2.0 (119 ratings) — better |
| Positive reviews | 3.7% of reviews | 9.9% of reviews — better |
| Number of ratings | 1 | 119 — 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 | 9.3 — better |
| Further details — not scored | ||
| Size | 149 MB | 84 MB |
| Age rating | 12+ | 4+ |
| Developer | Johnson Health Tech North America, Inc. | Matrix Industries, Inc. |
Customer experience
ViewFit
MATRIX PowerWatch
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
From 119 App Store ratingsWhat we love
- 🚀 Never needs charging
- 👍 Robust hardware
- 🔒 Secure data transfer
- 💡 Innovative thermoelectric charging
Room to improve
- 🐛 Frequent sync issues
- 🔋 Battery drain issues
- 👎 Limited watch faces and customization
- 🤖 Buggy and unreliable app
- 🕰️ Inaccurate time and activity tracking
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
Reported bugs
4 issues- App crashes frequently
- Bluetooth connectivity problems
- Firmware updates causing issues
- Sync failures leading to data loss
Requested features
5 requests- Add more watch face options
- Integrate with Apple Health/Google Fit
- Improve notification support
- Add heart rate monitoring
- Enhance sleep tracking
In-app purchases
ViewFit
No in-app purchases
MATRIX PowerWatch
No in-app purchases
Questions
Is ViewFit free?
Is MATRIX PowerWatch free?
Which has better reviews, ViewFit or MATRIX PowerWatch?
Do ViewFit or MATRIX PowerWatch have ads?
Which is updated more often, ViewFit or MATRIX PowerWatch?
Other comparisons
