FlagFit vs linkSelf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlagFit
This app helps users monitor their fitness and health by tracking sports and sleep statistics. It allows for setting sport goals and calculating calories, providing insights into physical condition and sleep state. Data can be synced and viewed on a phone via Bluetooth connection.
- Sports statistics
- Sleep statistics
- Sport goal setting
- Calories calculation
- HealthKit integration
- Bluetooth connectivity
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FlagFit is a set of sport band. It is mainly concerned about the fitness and health of the population designed to help users understand their own health. FlagFit to support what features: 1. sports statistics 2. sleep statistics 3. sport goal setting 4. calories calculate *** App support HealthKit application, you can view your data by health HealthKit *** This app may use your location even when it isn’t open, which can decrease device battery life FlagFit App can be connected via Bluetooth hardware , downloads app, you can view the data by phone in the app, to help users better understand their physical condition and state of sleep. Tips：Pulling down in the different interface can be synchronized different data .
linkSelf
Monitor your health and fitness with a connected Bluetooth smartband. Track exercise, sleep, blood pressure, and blood oxygen levels. Receive smart alarms and phone notifications directly from your band.
- Exercise tracking
- Sleep monitoring
- Blood pressure monitoring
- Blood oxygen monitoring
- Smart alarm clock
- Call/reminder notifications
- Social media sharing
- Health app synchronization
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This application supports a Bluetooth Smartband that connects to your smartphone. Through the Bluetooth Smartband you can track your exercise, monitor your sleep, detect your blood pressure and blood oxygen, and track your progress in the app. Set the smart alarm clock on the Bluetooth Smartband with silent vibration to remind you to get up, so you always wake up on time. You can toggle notification settings to vibrate when you receive calls or reminders via your smartphone so you do not miss anything. You can share your fitness results to Facebook, Twitter and Instagram social platforms. You can synchronize exercise data, sleep data and other data to the [Health App] applications, so you a more comprehensive understanding of health.
Screenshots
Verdict
The clearest difference is rating: linkSelf at 3.3 against FlagFit's 2.7. linkSelf also leads on review sentiment (50% vs 20%) and update cadence (every 3 weeks vs every 2 months). FlagFit's advantage is ratings volume (89 vs 4). On price, ads, in-app purchases and monetization model 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.
linkSelf holds the better App Store score, 3.3 against 2.7. That said, the two scores are not equally well evidenced: FlagFit has 89 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 20% of FlagFit's written reviews are positive against 50% of linkSelf's.
FlagFit ships an update every 2 months, linkSelf every 3 weeks. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.
| Parameter | FlagFit | linkSelf |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (89 ratings) | 3.3 (4 ratings) — better |
| Positive reviews | 19.7% of reviews | 50.0% of reviews — better |
| Number of ratings | 89 — better | 4 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 | 8.0 |
| Further details — not scored | ||
| Size | 33 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Ultra Easy Technology Co., Ltd. | 嘉豪 余 |
Customer experience
FlagFit
linkSelf
Bugs and requests
FlagFit
Reported bugs
10 issues- Device pairing issues
- App crashing on startup
- Syncing problems
- Bluetooth connectivity issues
- App not compatible with iOS 13
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- App closes unexpectedly
- Tracker features not working
- Sleep tracking inaccuracies
- Inconsistent heart rate display
- Phone call/SMS notification issues
Requested features
4 requests- Weight tracker
- More settings for sleep time
- Sync all data at once
- Contact support within app
linkSelf
Not enough reviews yet to summarise bugs or requests.
In-app purchases
FlagFit
No in-app purchases
linkSelf
No in-app purchases
