# FlagFit vs LUONENG

The clearest difference is review sentiment: LUONENG at 50% against FlagFit's 20%. FlagFit's advantage is iOS requirement (8.0 vs 12.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FlagFit ships an update every 2 months, LUONENG every 3 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | FlagFit | LUONENG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (89 ratings)](https://appshunter.io/ios/app/flagfit/id1106428739/reviews)** | — |
| Number of ratings | **89** | — |
| 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 months |
| Monetization | Free | Free |
| Size | 33 MB | 299 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Ultra Easy Technology Co., Ltd.](https://appshunter.io/developer/958871192) | [Shenzhen Lingwei Innovation Technology Co., Ltd.](https://appshunter.io/developer/1621422957) |

## 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


### LUONENG

[App page](https://appshunter.io/ios/app/luoneng/id1602493304)

Sync your sports watch data, including steps, heart rate, and sleep, to your phone. Receive SMS and app notifications directly on your watch and set custom reminders. Explore more features for an enhanced wearable experience.

**Highlights:** Synchronize sports watch data, Heart rate and sleep tracking, SMS and notification push, Customizable reminders, Apple Health integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FlagFit free?

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

### Is LUONENG free?

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

### Do FlagFit or LUONENG have ads?

Neither FlagFit nor LUONENG shows ads.

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

FlagFit ships an update every 2 months, and LUONENG every 3 months. Most recently, FlagFit was updated on October 24, 2026 and LUONENG on October 22, 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.*