# 算数セット vs iChase

The clearest difference is update cadence: 算数セット at every 3 weeks against iChase's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

算数セット ships an update every 3 weeks, iChase every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 算数セット | iChase |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 9 MB | 11 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [kiyoshi yamamoto](https://appshunter.io/developer/1482640077) | [Ichiro Iimura](https://appshunter.io/developer/1261291628) |

## What reviewers say

### 算数セット

[App page](https://appshunter.io/ios/app/id1555058904)

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

**In-app purchases:** none


### iChase

[App page](https://appshunter.io/ios/app/ichase/id6475170219)

**In-app purchases:** none


## Frequently asked questions

### Is 算数セット free?

算数セット is free to download, with no in-app purchases.

### Is iChase free?

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

### Do 算数セット or iChase have ads?

Neither 算数セット nor iChase shows ads.

### Which is updated more often, 算数セット or iChase?

算数セット ships an update every 3 weeks, and iChase every 2 months. Most recently, 算数セット was updated on November 3, 2026 and iChase on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*