YouFs vs JS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YouFs
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.
- Bluetooth connection to vehicle
- Remote lock/unlock
- Real-time vehicle status monitoring
- GPS positioning
- Speed and gear adjustment
- Fault self-inspection
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YouFS APP is an APP developed by Shenzhen Yongfengshun Technology Co., Ltd. for electric scooters, lithium trams, bicycles and other controllers. Automatically by the mobile phone bluetooth wireless connection electric scooter, the connection is successful after can get a lot of information to the vehicle on the mobile phone APP can be remotely lock the car through the APP, remote positioning, access speed, power, light condition, gear, total mileage and the mileage, riding time, boot mode information such as temperature of the battery voltage. The speed of each gear can be adjusted in the setting, and the fault status of the vehicle can be checked through the fault self-inspection, which is convenient for maintenance.
JS
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.
- Bluetooth connectivity
- Lock/unlock scooter
- Monitor riding data
- Control lights and gears
- Fault detection
- Mileage statistics
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JS Scooter is a beautifully designed interface that enables functions such as locking the car, monitoring riding information, controlling car lights, and monitoring the battery through Bluetooth connection between the device and the mobile phone. Scooter Control Support functions such as controlling headlights, vehicle gears, cruise control, etc., making it easier for users to adjust Mobile Phone Lock Scooter Users can lock their vehicles through a mobile app and set a password for greater security and convenience Fault Detection Support users can perform fault detection on vehicles on the APP, helping them understand the vehicle status in a timely manner Mileage Statistics Count the total mileage and total riding time of vehicles to reduce the pressure of local instrument calculations
Screenshots
Verdict
The clearest difference is rating: YouFs at 3.4 against JS's 2.3. YouFs also leads on ratings volume (107 vs 3) and iOS requirement (11.0 vs 14.0). JS's advantage is update cadence (fortnightly vs every 11 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 107 ratings behind it against 3, so its average is the more settled of the two.
YouFs ships an update every 11 months, JS fortnightly. The most recent releases landed on September 14, 2026 and August 19, 2026 respectively.
| Parameter | YouFs | JS |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (107 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 36.4% of reviews | — |
| Number of ratings | 107 — better | 3 |
| Update frequency | Every 11 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 172 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Yongfengshun Technology Co., Ltd. | Hangzhou xunlian Network Technology Co., Ltd |
Customer experience
YouFs
JS
In-app purchases
YouFs
No in-app purchases
JS
No in-app purchases
