MATRIX PowerWatch 2 vs Meal Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Meal Timer
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Meal Timer is your ultimate dining companion! Simply input your meal start and end times, and our app will inform you if it's time to eat or wait. With default phrases like 'Enjoy your meal!' and 'Please wait a moment,' you can easily customize these in the settings tab to suit your preferences. Stay updated with our convenient widget that indicates whether it's mealtime or not, and receive timely notifications for meal end times. You can adjust notification sounds and settings to ensure you're always informed in a way that suits you. Plus, enjoy a dynamic home screen with AI-generated images that change at your specified intervals. Meal Timer makes managing your meals easy and enjoyable!
Screenshots
Verdict
The clearest difference is price: MATRIX PowerWatch 2 at Free against Meal Timer's $0.99. Meal Timer's advantage is update cadence (every 10 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement 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
MATRIX PowerWatch 2 is free to download; Meal Timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MATRIX PowerWatch 2 ships an update every 3 weeks, Meal Timer every 10 days. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.
| Parameter | MATRIX PowerWatch 2 | Meal Timer |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.2 (68 ratings) — better | — |
| Positive reviews | 34.2% of reviews | — |
| Number of ratings | 68 — better | — |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.1 — better | 13.4 |
| Further details — not scored | ||
| Size | 109 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Matrix Industries, Inc. | JongHwa Lee |
Bugs and requests
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
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- 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
Meal Timer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MATRIX PowerWatch 2
No in-app purchases
Meal Timer
No in-app purchases
Questions
Is MATRIX PowerWatch 2 free?
Is Meal Timer free?
Do MATRIX PowerWatch 2 or Meal Timer have ads?
Which is updated more often, MATRIX PowerWatch 2 or Meal Timer?
Other comparisons
