# Hour Calendar vs FlowTimer

The clearest difference is ads: Hour Calendar at none against FlowTimer's shown. 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.

## The numbers

| Metric | Hour Calendar | FlowTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 1 MB | 7 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Akira Kuwabara](https://appshunter.io/developer/660153698) | [Haeseong Jung](https://appshunter.io/developer/1631768957) |

## What reviewers say

### Hour Calendar

[App page](https://appshunter.io/ios/app/hour-calendar/id1638641530)

**Features:** macOS Compatibility

**In-app purchases:** none


### FlowTimer

[App page](https://appshunter.io/ios/app/flowtimer-calming-visual-timer/id6753897591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hour Calendar free?

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

### Is FlowTimer free?

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

### Do Hour Calendar or FlowTimer have ads?

FlowTimer shows ads; Hour Calendar 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.*