# 計算カードEX vs Voice Math Cards

The clearest difference is ads: Voice Math Cards at none against 計算カードEX's shown. Voice Math Cards also leads on update cadence (every 10 days vs every 2 months). On price, in-app purchases, device support and iOS requirement 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EX ships an update every 2 months, Voice Math Cards every 10 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | 計算カードEX | Voice Math Cards |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 40 MB | 38 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Maehara](https://appshunter.io/developer/1793908461) | [International Systems Corporation](https://appshunter.io/developer/622617851) |

## 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


### Voice Math Cards

[App page](https://appshunter.io/ios/app/voice-math-cards/id6763963396)

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

**In-app purchases:** none


## 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 Voice Math Cards free?

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

### Do 計算カードEX or Voice Math Cards have ads?

計算カードEX shows ads; Voice Math Cards does not.

### Which is updated more often, 計算カードEX or Voice Math Cards?

計算カードEX ships an update every 2 months, and Voice Math Cards every 10 days. Most recently, 計算カードEX was updated on October 9, 2026 and Voice Math Cards on October 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.*