# Add Up 10. vs 9x9カード（法人・教育機関向け）

The clearest difference is price: Add Up 10. at Free against 9x9カード（法人・教育機関向け）'s $1.99. Add Up 10. also leads on update cadence (every 3 months vs every 25 months). 9x9カード（法人・教育機関向け）'s advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Add Up 10. is free to download; 9x9カード（法人・教育機関向け） costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Add Up 10. ships an update every 3 months, 9x9カード（法人・教育機関向け） every 25 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Add Up 10. | 9x9カード（法人・教育機関向け） |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 25 months |
| Size | 58 MB | 13 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MASAHIRO MIZUTANI](https://appshunter.io/developer/368158224) | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) |

## What reviewers say

### Add Up 10.

[App page](https://appshunter.io/ios/app/add-up-10/id562494612)

**In-app purchases:** none


### 9x9カード（法人・教育機関向け）

[App page](https://appshunter.io/ios/app/9x9/id1480503846)

**In-app purchases:** none


## Frequently asked questions

### Is Add Up 10. free?

Add Up 10. is free to download, with no in-app purchases.

### Is 9x9カード（法人・教育機関向け） free?

9x9カード（法人・教育機関向け） costs $1.99, with no in-app purchases.

### Do Add Up 10. or 9x9カード（法人・教育機関向け） have ads?

Add Up 10. shows ads; 9x9カード（法人・教育機関向け） does not.

### Which is updated more often, Add Up 10. or 9x9カード（法人・教育機関向け）?

Add Up 10. ships an update every 3 months, and 9x9カード（法人・教育機関向け） every 25 months. Most recently, Add Up 10. was updated on October 26, 2026 and 9x9カード（法人・教育機関向け） on October 26, 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.*