# Period Tracker vs IMD

The clearest difference is in-app purchases: Period Tracker at none against IMD's 1. IMD's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. IMD sells 1 in-app purchase, starting at $14.99 per month. Period Tracker asks for nothing beyond the download.

## The numbers

| Metric | Period Tracker | IMD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 3 MB | 101 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) | [Maarten Burger](https://appshunter.io/developer/6781724435) |

## What reviewers say

### Period Tracker

[App page](https://appshunter.io/ios/app/period-tracker-irregular/id6771802064)

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

**In-app purchases:** none


### IMD

[App page](https://appshunter.io/ios/app/imd-movement/id6781724433)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Toegang | $14.99 | per month |


## Frequently asked questions

### Is Period Tracker free?

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

### Is IMD free?

IMD is free to download, with in-app purchases available.

### Do Period Tracker or IMD have ads?

Neither Period Tracker nor IMD 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.*