# 100ます計算 vs Fast100Math

The clearest difference is ads: Fast100Math at none against 100ます計算's shown. Fast100Math also leads on update cadence (every 3 days vs every 5 months). 100ます計算's advantage is iOS requirement (15.0 vs 18.0). On price, 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.

100ます計算 ships an update every 5 months, Fast100Math every 3 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 100ます計算 | Fast100Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/100-100/id1623952451/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 224 MB | 31 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [makoto amijima](https://appshunter.io/developer/1493994946) |

## What reviewers say

### 100ます計算

[App page](https://appshunter.io/ios/app/100-100/id1623952451)

Practice math drills with a treasure-hunting game. Features include past problem review, multiplication table selection, speed tracking, and timed challenges. Progress is recorded on a calendar.

**Highlights:** Past problem review system, Multiplication table selection, Speed improvement graph, Calendar for learning dates, Time attack mode

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

**In-app purchases:** none


### Fast100Math

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 100ます計算 free?

100ます計算 is free to download, with no in-app purchases.

### Is Fast100Math free?

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

### Do 100ます計算 or Fast100Math have ads?

100ます計算 shows ads; Fast100Math does not.

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

100ます計算 ships an update every 5 months, and Fast100Math every 3 days. Most recently, 100ます計算 was updated on November 3, 2026 and Fast100Math on October 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.*