# ◆シニア向け◆　ボケ防止のための暗算アプリ vs 百Math

The clearest difference is update cadence: 百Math at every 9 days against ◆シニア向け◆　ボケ防止のための暗算アプリ's every 33 months. ◆シニア向け◆　ボケ防止のための暗算アプリ's advantage is iOS requirement (16.0 vs 26.0). 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.

◆シニア向け◆　ボケ防止のための暗算アプリ ships an update every 33 months, 百Math every 9 days. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ◆シニア向け◆　ボケ防止のための暗算アプリ | 百Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 33 months | **Every 9 days** |
| Monetization | — | Ad-supported |
| Size | 12 MB | 18 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [funspire, Inc.](https://appshunter.io/developer/928040148) | [naoya saito](https://appshunter.io/developer/1576521641) |

## What reviewers say

### ◆シニア向け◆　ボケ防止のための暗算アプリ

[App page](https://appshunter.io/ios/app/id1158521939)

**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 ◆シニア向け◆　ボケ防止のための暗算アプリ free?

◆シニア向け◆　ボケ防止のための暗算アプリ 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 ◆シニア向け◆　ボケ防止のための暗算アプリ or 百Math have ads?

Both ◆シニア向け◆　ボケ防止のための暗算アプリ and 百Math show ads.

### Which is updated more often, ◆シニア向け◆　ボケ防止のための暗算アプリ or 百Math?

◆シニア向け◆　ボケ防止のための暗算アプリ ships an update every 33 months, and 百Math every 9 days. Most recently, ◆シニア向け◆　ボケ防止のための暗算アプリ was updated on October 7, 2026 and 百Math on October 18, 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.*