# YouFs vs JS

The clearest difference is rating: YouFs at 3.4 against JS's 2.3. YouFs also leads on ratings volume (121 vs 3). JS's advantage is update cadence (every 3 weeks 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 holds the better App Store score, 3.4 against 2.3. That said, the two scores are not equally well evidenced: YouFs has 121 ratings behind it against 3, so its average is the more settled of the two.

YouFs ships an update every 14 months, JS every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | YouFs | JS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (121 ratings)](https://appshunter.io/ios/app/youfs-a/id1615712353/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/js-scooter/id6746304878/reviews) |
| Number of ratings | **121** | 3 |
| Positive reviews | 35.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 212 MB | 12 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Yongfengshun Technology Co., Ltd.](https://appshunter.io/developer/1395775101) | [Hangzhou xunlian Network Technology Co., Ltd](https://appshunter.io/developer/1436462568) |

## 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


### JS

[App page](https://appshunter.io/ios/app/js-scooter/id6746304878)

This app connects to your electric scooter via Bluetooth, allowing you to lock the vehicle, monitor riding data, control lights, and check battery status. It also supports fault detection and tracks mileage and riding time.

**Highlights:** Bluetooth connectivity, Lock/unlock scooter, Monitor riding data, Control lights and gears, Fault detection, Mileage statistics

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

**In-app purchases:** none


## Frequently asked questions

### Is YouFs free?

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

### Is JS free?

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

### Which has better reviews, YouFs or JS?

YouFs is rated higher. YouFs averages 3.4 out of 5 from 121 ratings, while JS averages 2.3 from 3 ratings.

### Do YouFs or JS have ads?

Neither YouFs nor JS shows ads.

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

YouFs ships an update every 14 months, and JS every 3 weeks. Most recently, YouFs was updated on November 3, 2026 and JS on October 30, 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.*