# exam_calculate vs ちょこ暗 算数

The clearest difference is ads: ちょこ暗 算数 at none against exam_calculate's shown. ちょこ暗 算数 also leads on update cadence (every 5 weeks vs every 3 months). exam_calculate's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. exam_calculate sells 1 one-off in-app purchase and ちょこ暗 算数 sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

exam_calculate ships an update every 3 months, ちょこ暗 算数 every 5 weeks. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | exam_calculate | ちょこ暗 算数 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 7 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KENTARO UME](https://appshunter.io/developer/764546905) | [Always Sunny Ltd.](https://appshunter.io/developer/572443468) |

## What reviewers say

### exam_calculate

[App page](https://appshunter.io/ios/app/exam-calculate/id1265876274)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AD Free | $0.99 | one-time |


### ちょこ暗 算数

[App page](https://appshunter.io/ios/app/id6469766855)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $0.99 | per month |
| 年額プラン | $4.99 | per year |


## Frequently asked questions

### Is exam_calculate free?

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

### Is ちょこ暗 算数 free?

ちょこ暗 算数 is free to download, with in-app purchases available.

### Do exam_calculate or ちょこ暗 算数 have ads?

exam_calculate shows ads; ちょこ暗 算数 does not.

### Which is updated more often, exam_calculate or ちょこ暗 算数?

exam_calculate ships an update every 3 months, and ちょこ暗 算数 every 5 weeks. Most recently, exam_calculate was updated on October 1, 2026 and ちょこ暗 算数 on October 10, 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.*