# YouFs vs Speed Master EE

The clearest difference is review sentiment: YouFs at 35% against Speed Master EE's 0%. YouFs also leads on iOS requirement (14.0 vs 16). Speed Master EE's advantage is update cadence (every 3 months vs every 14 months). 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.

YouFs ships an update every 14 months, Speed Master EE every 3 months. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | YouFs | Speed Master EE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (115 ratings)](https://appshunter.io/ios/app/youfs-a/id1615712353/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | **35.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 212 MB | 31 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Yongfengshun Technology Co., Ltd.](https://appshunter.io/developer/1395775101) | [Fehr GmbH](https://appshunter.io/developer/1793502269) |

## 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


### Speed Master EE

[App page](https://appshunter.io/ios/app/speed-master-ee/id6741190539)

Configure and control your electric kick scooter equipped with a Speed Master kit. Adjust all features and parameters, including speed settings, via Bluetooth. Ensure compliance with local speed regulations for public roads.

**Highlights:** Control electric kick scooter features, Configure parameters, Activate/deactivate features, Adjust speed settings, Bluetooth connectivity

**In-app purchases:** none


## Frequently asked questions

### Is YouFs free?

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

### Is Speed Master EE free?

Speed Master EE is free to download, with no in-app purchases.

### Do YouFs or Speed Master EE have ads?

Neither YouFs nor Speed Master EE shows ads.

### Which is updated more often, YouFs or Speed Master EE?

YouFs ships an update every 14 months, and Speed Master EE every 3 months. Most recently, YouFs was updated on September 25, 2026 and Speed Master EE on September 10, 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.*