# 本格プログラミング学習 vs Brain teaser calculator

The clearest difference is in-app purchases: Brain teaser calculator at none against 本格プログラミング学習's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 本格プログラミング学習 sells 3 in-app purchases, starting at $2.99 per month. Brain teaser calculator asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | 本格プログラミング学習 | Brain teaser calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 62 MB | 36 MB |
| Requires iOS | **14.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shintaro Shimizu](https://appshunter.io/developer/1534885054) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### 本格プログラミング学習

[App page](https://appshunter.io/ios/app/ai/id1609827348)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 無限ライフプレミアム | $2.99 | per month |
| AIサポートプレミアム | $4.99 | per month |
| 無限ライフ | $2.99 | one-time |


### Brain teaser calculator

[App page](https://appshunter.io/ios/app/brain-teaser-calculator/id6499087643)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 本格プログラミング学習 free?

本格プログラミング学習 is free to download, with in-app purchases available.

### Is Brain teaser calculator free?

Brain teaser calculator is free to download, with no in-app purchases.

### Do 本格プログラミング学習 or Brain teaser calculator have ads?

Both 本格プログラミング学習 and Brain teaser calculator show ads.

### Which is updated more often, 本格プログラミング学習 or Brain teaser calculator?

本格プログラミング学習 ships an update every 2 weeks, and Brain teaser calculator every 2 weeks. Most recently, 本格プログラミング学習 was updated on October 2, 2026 and Brain teaser calculator on October 2, 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.*