# YouFs vs BT501

The clearest difference is update cadence: BT501 at every 2 weeks against YouFs's every 14 months. BT501 also leads on iOS requirement (12.0 vs 14.0). On price, ads, 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.

YouFs ships an update every 14 months, BT501 every 2 weeks. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | YouFs | BT501 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (121 ratings)](https://appshunter.io/ios/app/youfs-a/id1615712353/reviews)** | — |
| Number of ratings | **121** | — |
| Positive reviews | 35.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 212 MB | 12 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Yongfengshun Technology Co., Ltd.](https://appshunter.io/developer/1395775101) | [Shenzhen King Song Intelligence Technology Co,.LTD](https://appshunter.io/developer/1497491651) |

## What reviewers say

### YouFs

[App page](https://appshunter.io/ios/app/youfs-a/id1615712353)

Connect to your electric scooter or bicycle via Bluetooth to monitor vehicle status, lock/unlock remotely, and track riding data. Adjust settings, check battery voltage, and diagnose faults for convenient maintenance.

**Highlights:** Bluetooth connection to vehicle, Remote lock/unlock, Real-time vehicle status monitoring, GPS positioning, Speed and gear adjustment, Fault self-inspection

**In-app purchases:** none


### BT501

[App page](https://appshunter.io/ios/app/bt501/id6447668320)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YouFs free?

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

### Is BT501 free?

BT501 is free to download, with no in-app purchases.

### Do YouFs or BT501 have ads?

Neither YouFs nor BT501 shows ads.

### Which is updated more often, YouFs or BT501?

YouFs ships an update every 14 months, and BT501 every 2 weeks. Most recently, YouFs was updated on October 21, 2026 and BT501 on October 7, 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.*