# さんすうのべんきょう vs デカ文字計算

The clearest difference is in-app purchases: デカ文字計算 at none against さんすうのべんきょう's 1. デカ文字計算 also leads on ads (none vs shown) and device support (3 vs 1). さんすうのべんきょう's advantage is update cadence (weekly vs every 4 weeks). On price and iOS requirement there is nothing between them.

Both are free to download. さんすうのべんきょう sells 1 one-off in-app purchase. デカ文字計算 asks for nothing beyond the download.

さんすうのべんきょう ships an update weekly, デカ文字計算 every 4 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | さんすうのべんきょう | デカ文字計算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 4 weeks |
| Size | 8 MB | 6 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kinicy](https://appshunter.io/developer/366096366) | [maple project](https://appshunter.io/developer/6800461359) |

## What reviewers say

### さんすうのべんきょう

[App page](https://appshunter.io/ios/app/id6785781782)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro（すべての がくねん） | $2.99 | one-time |


### デカ文字計算

[App page](https://appshunter.io/ios/app/big-text-math/id6818828030)

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

**In-app purchases:** none


## Frequently asked questions

### Is さんすうのべんきょう free?

さんすうのべんきょう is free to download, with in-app purchases available.

### Is デカ文字計算 free?

デカ文字計算 is free to download, with no in-app purchases.

### Do さんすうのべんきょう or デカ文字計算 have ads?

さんすうのべんきょう shows ads; デカ文字計算 does not.

### Which is updated more often, さんすうのべんきょう or デカ文字計算?

さんすうのべんきょう ships an update weekly, and デカ文字計算 every 4 weeks. Most recently, さんすうのべんきょう was updated on November 5, 2026 and デカ文字計算 on November 6, 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.*