# 机械考研 vs Tolerance Master

The clearest difference is iOS requirement: 机械考研 at 12.0 against Tolerance Master's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 机械考研 sells 4 one-off in-app purchases and Tolerance Master sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 机械考研 | Tolerance Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Size | 42 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [湖南欧几里得教育科技有限公司](https://appshunter.io/developer/1343092239) | [磊 高](https://appshunter.io/developer/1879509033) |

## What reviewers say

### 机械考研

[App page](https://appshunter.io/ios/app/id6744552183)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 中南大学·真题上岸大礼包 | $14.99 | one-time |
| 河北工业大学·真题上岸大礼包 | $17.99 | one-time |
| 重庆大学(909)·真题上岸大礼包 | $19.99 | one-time |
| 浙大机械考研上岸大礼包 | $39.99 | one-time |


### Tolerance Master

[App page](https://appshunter.io/ios/app/tolerance-master/id6759722609)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | per month |


## Frequently asked questions

### Is 机械考研 free?

机械考研 is free to download, with in-app purchases available.

### Is Tolerance Master free?

Tolerance Master is free to download, with in-app purchases available.

### Do 机械考研 or Tolerance Master have ads?

Neither 机械考研 nor Tolerance Master shows ads.

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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.*