# 百Math vs 100ます計算ノート

The clearest difference is in-app purchases: 百Math at none against 100ます計算ノート's 1. 100ます計算ノート's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 100ます計算ノート sells 1 one-off in-app purchase. 百Math asks for nothing beyond the download.

百Math ships an update every 9 days, 100ます計算ノート every 6 days. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 百Math | 100ます計算ノート |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 37 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [naoya saito](https://appshunter.io/developer/1576521641) | [Yuki Taniguchi](https://appshunter.io/developer/1879248125) |

## 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ます計算ノート

[App page](https://appshunter.io/ios/app/100/id6761297945)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を削除する | $2.99 | one-time |


## Frequently asked questions

### Is 百Math free?

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

### Is 100ます計算ノート free?

100ます計算ノート is free to download, with in-app purchases available.

### Do 百Math or 100ます計算ノート have ads?

Both 百Math and 100ます計算ノート show ads.

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

百Math ships an update every 9 days, and 100ます計算ノート every 6 days. Most recently, 百Math was updated on October 2, 2026 and 100ます計算ノート on September 25, 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.*