# Haylou Fun vs FMB

The clearest difference is update cadence: Haylou Fun at every 3 weeks against FMB's every 3 months. FMB's advantage is iOS requirement (11.4 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

Haylou Fun ships an update every 3 weeks, FMB every 3 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Haylou Fun | FMB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (20 ratings)](https://appshunter.io/ios/app/haylou-fun/id1534983357/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 13.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 293 MB | 147 MB |
| Requires iOS | 15.0 | **11.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Dongguan Liesheng Electronic Co.,Ltd.](https://appshunter.io/developer/1479377043) | [Fit Met Bruno B.V.](https://appshunter.io/developer/1580369729) |

## What reviewers say

### Haylou Fun

[App page](https://appshunter.io/ios/app/haylou-fun/id1534983357)

This app connects to smart devices to manage your health and exercise data. It tracks various health metrics, records over 100 sports modes, and allows for device management and customization with rich watch faces. It also offers sleep monitoring and analysis, with data sharing capabilities.

**Highlights:** Record health data (steps, heart rate, sleep, etc.), 100+ sports modes with voice broadcast, Device management and settings, Customizable watch faces, Night sleep monitoring and analysis, Data sharing with Apple Health

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good for beginners
- 💡 Customizable watch faces
- 🚀 Decent battery life

**What reviewers complain about**

- 🐛 Notifications not working
- 🐛 Connectivity issues
- 🔒 Lack of security features
- 💤 Limited watch face options

**Reported bugs**

- Notifications not appearing on watch
- Frequent disconnections between watch and app
- App crashes and freezes
- Inaccurate data sync and recording

**Requested features**

- Add more watch face options
- Improve notification functionality
- Enhance connectivity and sync
- Introduce security and privacy features


### FMB

[App page](https://appshunter.io/ios/app/fmb/id1580369727)

**In-app purchases:** none


## Frequently asked questions

### Is Haylou Fun free?

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

### Is FMB free?

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

### Which is updated more often, Haylou Fun or FMB?

Haylou Fun ships an update every 3 weeks, and FMB every 3 months. Most recently, Haylou Fun was updated on October 27, 2026 and FMB on October 13, 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.*