# FlagFit vs linkSelf

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.

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.

## The numbers

| Metric | FlagFit | linkSelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (89 ratings)](https://appshunter.io/ios/app/flagfit/id1106428739/reviews) | **[3.3 (4 ratings)](https://appshunter.io/ios/app/linkself/id1267763137/reviews)** |
| Number of ratings | **89** | 4 |
| Positive reviews | 19.7% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 60 MB |
| Requires iOS | 8.0 | 8.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Ultra Easy Technology Co., Ltd.](https://appshunter.io/developer/958871192) | [嘉豪 余](https://appshunter.io/developer/1094145945) |

## What reviewers say

### FlagFit

[App page](https://appshunter.io/ios/app/flagfit/id1106428739)

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.

**Highlights:** Sports statistics, Sleep statistics, Sport goal setting, Calories calculation, HealthKit integration, Bluetooth connectivity

**In-app purchases:** none

**What reviewers like**

- 👍 Simple to use
- 👍 Helps count steps
- 👍 Understand health better
- 👍 Fixed crashing issue
- 👍 Fantastic support

**What reviewers complain about**

- 🐛 Won't find device
- 🐛 App crashes immediately
- 🐛 Not working since upgrade
- 🐛 Crashes without pairing
- 🐛 App won't stay open

**Reported bugs**

- Device pairing issues
- App crashing on startup
- Syncing problems
- Bluetooth connectivity issues
- App not compatible with iOS 13

**Requested features**

- Weight tracker
- More settings for sleep time
- Sync all data at once
- Contact support within app


### linkSelf

[App page](https://appshunter.io/ios/app/linkself/id1267763137)

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.

**Highlights:** Exercise tracking, Sleep monitoring, Blood pressure monitoring, Blood oxygen monitoring, Smart alarm clock, Call/reminder notifications, Social media sharing, Health app synchronization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FlagFit free?

FlagFit is free to download, with no in-app purchases.

### Is linkSelf free?

linkSelf is free to download, with no in-app purchases.

### Which has better reviews, FlagFit or linkSelf?

linkSelf is rated higher. FlagFit averages 2.7 out of 5 from 89 ratings, while linkSelf averages 3.3 from 4 ratings.

### Do FlagFit or linkSelf have ads?

Neither FlagFit nor linkSelf shows ads.

### Which is updated more often, FlagFit or linkSelf?

FlagFit ships an update every 2 months, and linkSelf every 3 weeks. Most recently, FlagFit was updated on October 8, 2026 and linkSelf on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*