# そろばん問題集 vs ちょこ暗 算数

The clearest difference is ads: ちょこ暗 算数 at none against そろばん問題集's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. そろばん問題集 sells 1 in-app purchase, starting at $1.99 per month 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.

そろばん問題集 ships an update every 6 weeks, ちょこ暗 算数 every 5 weeks. Both last shipped on August 16, 2026.

## The numbers

| Metric | そろばん問題集 | ちょこ暗 算数 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/id1527023159/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 6 MB | 15 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [takeshi inoue](https://appshunter.io/developer/1452042026) | [Always Sunny Ltd.](https://appshunter.io/developer/572443468) |

## What reviewers say

### そろばん問題集

[App page](https://appshunter.io/ios/app/id1527023159)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | per month |


### 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 そろばん問題集 free?

そろばん問題集 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 そろばん問題集 or ちょこ暗 算数 have ads?

そろばん問題集 shows ads; ちょこ暗 算数 does not.

### Which is updated more often, そろばん問題集 or ちょこ暗 算数?

そろばん問題集 ships an update every 6 weeks, and ちょこ暗 算数 every 5 weeks. Most recently, そろばん問題集 was updated on August 16, 2026 and ちょこ暗 算数 on August 16, 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.*