# YUTONG SERVICE vs Sonor

The clearest difference is update cadence: Sonor at monthly against YUTONG SERVICE's every 17 months. YUTONG SERVICE's advantage is iOS requirement (9.0 vs 15.1). 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.

YUTONG SERVICE ships an update every 17 months, Sonor monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | YUTONG SERVICE | Sonor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Size | 22 MB | 41 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yutong Bus Co., Ltd.](https://appshunter.io/developer/873929642) | [TTTools](https://appshunter.io/developer/1686019168) |

## What reviewers say

### YUTONG SERVICE

[App page](https://appshunter.io/ios/app/yutong-service/id1620497375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sonor

[App page](https://appshunter.io/ios/app/sonor-real-time-data/id6448738959)

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

**In-app purchases:** none


## Frequently asked questions

### Is YUTONG SERVICE free?

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

### Is Sonor free?

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

### Do YUTONG SERVICE or Sonor have ads?

Neither YUTONG SERVICE nor Sonor shows ads.

### Which is updated more often, YUTONG SERVICE or Sonor?

YUTONG SERVICE ships an update every 17 months, and Sonor monthly. Most recently, YUTONG SERVICE was updated on October 27, 2026 and Sonor on October 24, 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.*