# AMC8数学竞赛 vs A

The clearest difference is in-app purchases: AMC8数学竞赛 at none against A's 3. AMC8数学竞赛 also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. A sells 3 in-app purchases, starting at $3.99 per month. AMC8数学竞赛 asks for nothing beyond the download.

## The numbers

| Metric | AMC8数学竞赛 | A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 75 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [上海奇点数维教育科技有限公司](https://appshunter.io/developer/1876473614) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### AMC8数学竞赛

[App page](https://appshunter.io/ios/app/amc8/id6759035351)

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

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-level-sciences-revision/id6793016005)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $12.99 | per year |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is AMC8数学竞赛 free?

AMC8数学竞赛 is free to download, with no in-app purchases.

### Is A free?

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

### Do AMC8数学竞赛 or A have ads?

Neither AMC8数学竞赛 nor A 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.*