# 計算カード Ext vs Math Card App

The clearest difference is update cadence: 計算カード Ext at every 4 months against Math Card App's every 14 months. 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.

計算カード Ext ships an update every 4 months, Math Card App every 14 months. The most recent releases landed on September 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 計算カード Ext | Math Card App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | — | Free |
| Size | 11 MB | 19 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ryo itou](https://appshunter.io/developer/1435019729) | [Satoshi Miura](https://appshunter.io/developer/583254123) |

## What reviewers say

### 計算カード Ext

[App page](https://appshunter.io/ios/app/ext/id1436261840)

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

**In-app purchases:** none


### Math Card App

[App page](https://appshunter.io/ios/app/math-card-app/id1573272906)

This app offers a straightforward way to practice calculations using customizable digital cards. It includes a history feature to track your study progress, points, and time spent, allowing for focused improvement on challenging problems.

**Highlights:** Customizable calculation cards, History of study sessions, Track study date, time, and points, Focus on weak areas, Create problems based on skill level

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 計算カード Ext free?

計算カード Ext is free to download, with no in-app purchases.

### Is Math Card App free?

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

### Do 計算カード Ext or Math Card App have ads?

Neither 計算カード Ext nor Math Card App shows ads.

### Which is updated more often, 計算カード Ext or Math Card App?

計算カード Ext ships an update every 4 months, and Math Card App every 14 months. Most recently, 計算カード Ext was updated on September 6, 2026 and Math Card App on September 21, 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.*