# Azira vs Flow

The clearest difference is iOS requirement: Azira at 15.6 against Flow's 17.0. 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 | Azira | Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 99 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [jalal moustakim](https://appshunter.io/developer/1851571462) | [拥军 刘](https://appshunter.io/developer/1896777340) |

## What reviewers say

### Azira

[App page](https://appshunter.io/ios/app/azira/id6759405329)

**In-app purchases:** none


### Flow

[App page](https://appshunter.io/ios/app/flow-period-tracker/id6791552767)

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

**In-app purchases:** none


## Frequently asked questions

### Is Azira free?

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

### Is Flow free?

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

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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.*