# 計算カードEX vs こともん

The clearest difference is in-app purchases: 計算カードEX at none against こともん's 1. 計算カードEX also leads on iOS requirement (13.0 vs 15.1). こともん's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. こともん sells 1 one-off in-app purchase. 計算カードEX asks for nothing beyond the download.

計算カードEX ships an update every 2 months, こともん every 3 weeks. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 計算カードEX | こともん |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 40 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Maehara](https://appshunter.io/developer/1793908461) | [REINA KIMURA](https://appshunter.io/developer/1883302663) |

## What reviewers say

### 計算カードEX

[App page](https://appshunter.io/ios/app/ex/id6741358888)

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

**In-app purchases:** none


### こともん

[App page](https://appshunter.io/ios/app/id6760374286)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| こともん Plus | $5.99 | one-time |


## Frequently asked questions

### Is 計算カードEX free?

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

### Is こともん free?

こともん is free to download, with in-app purchases available.

### Do 計算カードEX or こともん have ads?

計算カードEX shows ads; こともん does not.

### Which is updated more often, 計算カードEX or こともん?

計算カードEX ships an update every 2 months, and こともん every 3 weeks. Most recently, 計算カードEX was updated on September 23, 2026 and こともん on September 9, 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.*