# Tarn. vs Period Tracker Cycle Ovulation

The clearest difference is ads: Tarn. at none against Period Tracker Cycle Ovulation's shown. Period Tracker Cycle Ovulation's advantage is iOS requirement (13.0 vs 15.1). On price, 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 | Tarn. | Period Tracker Cycle Ovulation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 42 MB | 35 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [suite 110 llc](https://appshunter.io/developer/1369813260) | [Disha Thummar](https://appshunter.io/developer/1874186683) |

## What reviewers say

### Tarn.

[App page](https://appshunter.io/ios/app/tarn/id6759208133)

**Features:** macOS Compatibility

**In-app purchases:** none


### Period Tracker Cycle Ovulation

[App page](https://appshunter.io/ios/app/period-tracker-cycle-ovulation/id6772968894)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tarn. free?

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

### Is Period Tracker Cycle Ovulation free?

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

### Do Tarn. or Period Tracker Cycle Ovulation have ads?

Period Tracker Cycle Ovulation shows ads; Tarn. 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.*