# 毎日１００マス vs 百Math

The clearest difference is review sentiment: 百Math at 50% against 毎日１００マス's 0%. 百Math also leads on update cadence (weekly vs every 8 months). 毎日１００マス's advantage is iOS requirement (15.0 vs 18.0). 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.

毎日１００マス ships an update every 8 months, 百Math weekly. The most recent releases landed on July 18, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | 毎日１００マス | 百Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 67 MB | 18 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ben Walker](https://appshunter.io/developer/385443776) | [naoya saito](https://appshunter.io/developer/1576521641) |

## What reviewers say

### 毎日１００マス

[App page](https://appshunter.io/ios/app/id1382206263)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 毎日１００マス free?

毎日１００マス is free to download, with no in-app purchases.

### Is 百Math free?

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

### Do 毎日１００マス or 百Math have ads?

Both 毎日１００マス and 百Math show ads.

### Which is updated more often, 毎日１００マス or 百Math?

毎日１００マス ships an update every 8 months, and 百Math weekly. Most recently, 毎日１００マス was updated on July 18, 2026 and 百Math on August 11, 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.*