# IMSC91 vs 易道汽车检测大师

The clearest difference is update cadence: 易道汽车检测大师 at fortnightly against IMSC91's every 2 months. 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.

IMSC91 ships an update every 2 months, 易道汽车检测大师 fortnightly. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | IMSC91 | 易道汽车检测大师 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/id6444498163/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 148 MB | 70 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [北京金奔腾汽车科技有限公司](https://appshunter.io/developer/939116243) | [Shenzhen Yidaocheguanjia Technology Co.,Ltd.](https://appshunter.io/developer/6791823061) |

## What reviewers say

### IMSC91

[App page](https://appshunter.io/ios/app/imsc91/id1250310840)

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

**In-app purchases:** none


### 易道汽车检测大师

[App page](https://appshunter.io/ios/app/id6444498163)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMSC91 free?

IMSC91 is free to download, with no in-app purchases.

### Is 易道汽车检测大师 free?

易道汽车检测大师 is free to download, with no in-app purchases.

### Do IMSC91 or 易道汽车检测大师 have ads?

Neither IMSC91 nor 易道汽车检测大师 shows ads.

### Which is updated more often, IMSC91 or 易道汽车检测大师?

IMSC91 ships an update every 2 months, and 易道汽车检测大师 fortnightly. Most recently, IMSC91 was updated on October 13, 2026 and 易道汽车检测大师 on October 2, 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.*