# Calculus Gacha！ vs 元素暗記ガチャ

The clearest difference is in-app purchases: 元素暗記ガチャ at none against Calculus Gacha！'s 2. Calculus Gacha！'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.1). On price, update cadence and ads there is nothing between them.

Both are free to download. Calculus Gacha！ sells 2 one-off in-app purchases. 元素暗記ガチャ asks for nothing beyond the download.

Calculus Gacha！ ships an update every 5 days, 元素暗記ガチャ every 8 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calculus Gacha！ | 元素暗記ガチャ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Size | 84 MB | 19 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shunsuke Nakamura](https://appshunter.io/developer/1828229182) | [taihei yamazaki](https://appshunter.io/developer/1789299090) |

## What reviewers say

### Calculus Gacha！

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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Tutor Pass | $2.99 | one-time |
| AI Tutor Plus(500) | $2.99 | one-time |


### 元素暗記ガチャ

[App page](https://appshunter.io/ios/app/id6759965014)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculus Gacha！ free?

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

### Is 元素暗記ガチャ free?

元素暗記ガチャ is free to download, with no in-app purchases.

### Do Calculus Gacha！ or 元素暗記ガチャ have ads?

Neither Calculus Gacha！ nor 元素暗記ガチャ shows ads.

### Which is updated more often, Calculus Gacha！ or 元素暗記ガチャ?

Calculus Gacha！ ships an update every 5 days, and 元素暗記ガチャ every 8 days. Most recently, Calculus Gacha！ was updated on November 8, 2026 and 元素暗記ガチャ on October 31, 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.*