# 算数100ます vs Fast100Math

The clearest difference is in-app purchases: Fast100Math at none against 算数100ます's 1. Fast100Math also leads on update cadence (every 3 days vs every 6 weeks). 算数100ます's advantage is iOS requirement (9.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 算数100ます sells 1 one-off in-app purchase. Fast100Math asks for nothing beyond the download.

算数100ます ships an update every 6 weeks, Fast100Math every 3 days. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 算数100ます | Fast100Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 46 MB | 31 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [makoto amijima](https://appshunter.io/developer/1493994946) |

## What reviewers say

### 算数100ます

[App page](https://appshunter.io/ios/app/100/id1281430681)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アップグレード | $3.99 | one-time |


### Fast100Math

[App page](https://appshunter.io/ios/app/fast100math/id6739807220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 算数100ます free?

算数100ます is free to download, with in-app purchases available.

### Is Fast100Math free?

Fast100Math is free to download, with no in-app purchases.

### Do 算数100ます or Fast100Math have ads?

Neither 算数100ます nor Fast100Math shows ads.

### Which is updated more often, 算数100ます or Fast100Math?

算数100ます ships an update every 6 weeks, and Fast100Math every 3 days. Most recently, 算数100ます was updated on October 8, 2026 and Fast100Math on September 28, 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.*