# 日常物理 vs Calculus Gacha！

The clearest difference is in-app purchases: 日常物理 at none against Calculus Gacha！'s 4. Calculus Gacha！'s advantage is update cadence (every 3 days vs every 28 months) and device support. On price and iOS requirement there is nothing between them.

Both are free to download. Calculus Gacha！ sells 4 one-off in-app purchases. 日常物理 asks for nothing beyond the download.

日常物理 ships an update every 28 months, Calculus Gacha！ every 3 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 日常物理 | Calculus Gacha！ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 28 months | **Every 3 days** |
| Size | 2 MB | 83 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shosuke Sato](https://appshunter.io/developer/1709991841) | [Shunsuke Nakamura](https://appshunter.io/developer/1828229182) |

## What reviewers say

### 日常物理

[App page](https://appshunter.io/ios/app/id6475620635)

**In-app purchases:** none


### Calculus Gacha！

[App page](https://appshunter.io/ios/app/calculus-gacha/id6753078774)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 不定方程式ガチャ利用オプション | $0.99 | one-time |
| AI Tutor Pass | $2.99 | one-time |
| AI Tutor Plus(500) | $2.99 | one-time |
| 履歴管理機能オプション | $2.99 | one-time |


## Frequently asked questions

### Is 日常物理 free?

日常物理 is free to download, with no in-app purchases.

### Is Calculus Gacha！ free?

Calculus Gacha！ is free to download, with in-app purchases available.

### Which is updated more often, 日常物理 or Calculus Gacha！?

日常物理 ships an update every 28 months, and Calculus Gacha！ every 3 days. Most recently, 日常物理 was updated on October 10, 2026 and Calculus Gacha！ on October 24, 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.*