# Calculus Gacha！ vs Kanso

The clearest difference is in-app purchases: Kanso at none against Calculus Gacha！'s 2. Calculus Gacha！'s advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculus Gacha！ sells 2 one-off in-app purchases. Kanso asks for nothing beyond the download.

Calculus Gacha！ ships an update every 5 days, Kanso every 4 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Calculus Gacha！ | Kanso |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 84 MB | 68 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shunsuke Nakamura](https://appshunter.io/developer/1828229182) | [Yutaro Kawahara](https://appshunter.io/developer/6776284160) |

## 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 |


### Kanso

[App page](https://appshunter.io/ios/app/kanso-integers/id6807329527)

**In-app purchases:** none


## Frequently asked questions

### Is Calculus Gacha！ free?

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

### Is Kanso free?

Kanso is free to download, with no in-app purchases.

### Do Calculus Gacha！ or Kanso have ads?

Neither Calculus Gacha！ nor Kanso shows ads.

### Which is updated more often, Calculus Gacha！ or Kanso?

Calculus Gacha！ ships an update every 5 days, and Kanso every 4 days. Most recently, Calculus Gacha！ was updated on November 5, 2026 and Kanso 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.*