# けいさんや 日常計算集 vs AtoNannichi Countdown

The clearest difference is ads: AtoNannichi Countdown at none against けいさんや 日常計算集's shown. けいさんや 日常計算集's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | けいさんや 日常計算集 | AtoNannichi Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 26 MB | 0 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [oka yamazaki](https://appshunter.io/developer/1152231583) | [GUIYI DONG](https://appshunter.io/developer/6782625298) |

## What reviewers say

### けいさんや 日常計算集

[App page](https://appshunter.io/ios/app/id1492215482)

**Features:** macOS Compatibility

**In-app purchases:** none


### AtoNannichi Countdown

[App page](https://appshunter.io/ios/app/atonannichi-countdown/id6788056229)

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

**In-app purchases:** none


## Frequently asked questions

### Is けいさんや 日常計算集 free?

けいさんや 日常計算集 is free to download, with no in-app purchases.

### Is AtoNannichi Countdown free?

AtoNannichi Countdown is free to download, with no in-app purchases.

### Do けいさんや 日常計算集 or AtoNannichi Countdown have ads?

けいさんや 日常計算集 shows ads; AtoNannichi Countdown does not.

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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.*