# 百Math vs 100ます計算

The clearest difference is review sentiment: 100ます計算 at 100% against 百Math's 50%. 100ます計算 also leads on iOS requirement (12.0 vs 18.0). 百Math's advantage is update cadence (weekly vs every 4 months). On price, ads, in-app purchases and monetization model 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, 100ます計算 every 4 months. The most recent releases landed on August 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 百Math | 100ます計算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/100-100/id1623952451/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 18 MB | 203 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [naoya saito](https://appshunter.io/developer/1576521641) | [Sumie Watanabe](https://appshunter.io/developer/1349237972) |

## 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


### 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 tables selection, speed tracking graphs, and a time attack mode. Progress is recorded on a calendar.

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 百Math free?

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

### Is 100ます計算 free?

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

### Do 百Math or 100ます計算 have ads?

Both 百Math and 100ます計算 show ads.

### Which is updated more often, 百Math or 100ます計算?

百Math ships an update weekly, and 100ます計算 every 4 months. Most recently, 百Math was updated on August 11, 2026 and 100ます計算 on September 17, 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.*