# Tarn. vs Luna

The clearest difference is in-app purchases: Tarn. at none against Luna's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Luna sells 2 in-app purchases, starting at $6.99 per month. Tarn. asks for nothing beyond the download.

## The numbers

| Metric | Tarn. | Luna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 42 MB | 24 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [suite 110 llc](https://appshunter.io/developer/1369813260) | [Thompson Software LLC](https://appshunter.io/developer/1892404667) |

## What reviewers say

### Tarn.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Luna

[App page](https://appshunter.io/ios/app/luna-private-cycle-tracker/id6769168539)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Tarn. free?

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

### Is Luna free?

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

### Do Tarn. or Luna have ads?

Neither Tarn. nor Luna 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.*