# KOOWHEEL Plus vs Relay Check

The clearest difference is update cadence: Relay Check at every 4 months against KOOWHEEL Plus's every 9 months. KOOWHEEL Plus's advantage is iOS requirement (8.0 vs 17.0). 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.

KOOWHEEL Plus ships an update every 9 months, Relay Check every 4 months. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | KOOWHEEL Plus | Relay Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (8 ratings)](https://appshunter.io/ios/app/koowheel-plus/id1216627680/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 11 MB | 8 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen LingDong Intelligent Technologies CO., LTD.](https://appshunter.io/developer/1251873828) | [JAMF Software](https://appshunter.io/developer/290965542) |

## What reviewers say

### KOOWHEEL Plus

[App page](https://appshunter.io/ios/app/koowheel-plus/id1216627680)

Monitor and control your balancing vehicle via Bluetooth. View real-time data like speed, power, and temperature. Adjust settings such as steering sensitivity and front/rear angles.

**Highlights:** Bluetooth connectivity, Real-time vehicle data display, Power control, Vehicle switching, Angle adjustment, Steering sensitivity control

**Features:** macOS Compatibility

**In-app purchases:** none


### Relay Check

[App page](https://appshunter.io/ios/app/relay-check/id6742145178)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KOOWHEEL Plus free?

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

### Is Relay Check free?

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

### Do KOOWHEEL Plus or Relay Check have ads?

Neither KOOWHEEL Plus nor Relay Check shows ads.

### Which is updated more often, KOOWHEEL Plus or Relay Check?

KOOWHEEL Plus ships an update every 9 months, and Relay Check every 4 months. Most recently, KOOWHEEL Plus was updated on October 2, 2026 and Relay Check on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*