# 百Math vs Fast100Math

The clearest difference is ads: Fast100Math at none against 百Math's shown. Fast100Math also leads on update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

百Math ships an update weekly, Fast100Math every 3 days. The most recent releases landed on August 11, 2026 and February 28, 2026 respectively.

## The numbers

| Metric | 百Math | Fast100Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 31 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [naoya saito](https://appshunter.io/developer/1576521641) | [makoto amijima](https://appshunter.io/developer/1493994946) |

## What reviewers say

### 百Math

[App page](https://appshunter.io/ios/app/math-calculation-app/id1576521639)

This app helps users improve their mental arithmetic skills through a 100-problem calculation trainer. It offers various modes, progress tracking, and a global leaderboard to encourage practice and competition. A clean design and home screen widget provide convenient access.

**Highlights:** 100-problem calculation trainer, Addition, Subtraction, Multiplication, Division modes, Progress tracking (streak, average time, charts), Global ranking system, Distraction-free design, Home screen widget

**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 百Math free?

百Math is free to download, with no in-app purchases.

### Is Fast100Math free?

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

### Do 百Math or Fast100Math have ads?

百Math shows ads; Fast100Math does not.

### Which is updated more often, 百Math or Fast100Math?

百Math ships an update weekly, and Fast100Math every 3 days. Most recently, 百Math was updated on August 11, 2026 and Fast100Math on February 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.*