# Tarn. vs PeriodAI

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

Both are free to download. PeriodAI sells 2 in-app purchases, starting at $1.99 per month. Tarn. asks for nothing beyond the download.

## The numbers

| Metric | Tarn. | PeriodAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 42 MB | 48 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) | [amira abbas](https://appshunter.io/developer/1871202488) |

## What reviewers say

### Tarn.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PeriodAI

[App page](https://appshunter.io/ios/app/periodai/id6773827641)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $12.99 | per year |


## Frequently asked questions

### Is Tarn. free?

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

### Is PeriodAI free?

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

### Do Tarn. or PeriodAI have ads?

Neither Tarn. nor PeriodAI 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.*