# 知路客服 vs IRT Assistant

The clearest difference is iOS requirement: IRT Assistant at 13.0 against 知路客服's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

知路客服 ships an update every 6 weeks, IRT Assistant every 2 months. The most recent releases landed on September 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 知路客服 | IRT Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 28 MB | 91 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [文强 李](https://appshunter.io/developer/1522244631) | [Shenzhen CZF Intelligence Technology Co.,Ltd](https://appshunter.io/developer/1714166337) |

## What reviewers say

### 知路客服

[App page](https://appshunter.io/ios/app/id1614466765)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### IRT Assistant

[App page](https://appshunter.io/ios/app/irt-assistant/id6470749965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 知路客服 free?

知路客服 is free to download, with no in-app purchases.

### Is IRT Assistant free?

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

### Do 知路客服 or IRT Assistant have ads?

Neither 知路客服 nor IRT Assistant shows ads.

### Which is updated more often, 知路客服 or IRT Assistant?

知路客服 ships an update every 6 weeks, and IRT Assistant every 2 months. Most recently, 知路客服 was updated on September 29, 2026 and IRT Assistant on October 20, 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.*