# O vs AlarmCat 〜祝日に鳴らないアラーム〜

The clearest difference is iOS requirement: O at 10.0 against AlarmCat 〜祝日に鳴らないアラーム〜's 26.0. 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.

## The numbers

| Metric | O | AlarmCat 〜祝日に鳴らないアラーム〜 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 41 MB | 6 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Showcase Gig Inc.](https://appshunter.io/developer/641565881) | [Keisuke Shibata](https://appshunter.io/developer/1791551970) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/oder/id1246644061)

**Features:** macOS Compatibility

**In-app purchases:** none


### AlarmCat 〜祝日に鳴らないアラーム〜

[App page](https://appshunter.io/ios/app/alarmcat/id6753628358)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is AlarmCat 〜祝日に鳴らないアラーム〜 free?

AlarmCat 〜祝日に鳴らないアラーム〜 is free to download, with no in-app purchases.

### Do O or AlarmCat 〜祝日に鳴らないアラーム〜 have ads?

Neither O nor AlarmCat 〜祝日に鳴らないアラーム〜 shows ads.

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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.*