# 汽修宝典 vs IMSC91

The clearest difference is in-app purchases: IMSC91 at none against 汽修宝典's 8. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 汽修宝典 sells 8 one-off in-app purchases. IMSC91 asks for nothing beyond the download.

汽修宝典 ships an update every 6 weeks, IMSC91 every 2 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 汽修宝典 | IMSC91 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 48 MB | 148 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [深圳市观微科技有限公司](https://appshunter.io/developer/1049221630) | [北京金奔腾汽车科技有限公司](https://appshunter.io/developer/939116243) |

## What reviewers say

### 汽修宝典

[App page](https://appshunter.io/ios/app/id1113246762)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年度会员 | $49.99 | one-time |
| 698个宝点 | $109.99 | one-time |
| 798个宝点 | $119.99 | one-time |
| 898个宝点 | $139.99 | one-time |
| 1098个宝点 | $169.99 | one-time |
| 1298个宝点 | $199.99 | one-time |
| 1598个宝点 | $239.99 | one-time |
| 2298个宝点 | $349.99 | one-time |


### IMSC91

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 汽修宝典 free?

汽修宝典 is free to download, with in-app purchases available.

### Is IMSC91 free?

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

### Do 汽修宝典 or IMSC91 have ads?

Neither 汽修宝典 nor IMSC91 shows ads.

### Which is updated more often, 汽修宝典 or IMSC91?

汽修宝典 ships an update every 6 weeks, and IMSC91 every 2 months. Most recently, 汽修宝典 was updated on October 9, 2026 and IMSC91 on October 13, 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.*