# InLoop vs Zylune

The clearest difference is iOS requirement: Zylune at 15.1 against InLoop's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. InLoop sells 2 in-app purchases, starting at $2.99 per month and Zylune sells 2 in-app purchases, starting at $22.99 per year. Whichever you choose, the download price is not the number that matters.

InLoop ships an update weekly, Zylune every 4 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | InLoop | Zylune |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 55 MB | 36 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [StableVortex OU](https://appshunter.io/developer/1748310574) | [Manuel Yasli](https://appshunter.io/developer/1896667669) |

## What reviewers say

### InLoop

[App page](https://appshunter.io/ios/app/inloop-period-tracker/id6766258530)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InLoop Premium | $2.99 | per month |
| InLoop Premium | $19.99 | per year |


### Zylune

[App page](https://appshunter.io/ios/app/zylune-zyklus-tracker/id6769549375)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zylune Premium Jahresabo | $22.99 | per year |
| Zylune Premium Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is InLoop free?

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

### Is Zylune free?

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

### Do InLoop or Zylune have ads?

Neither InLoop nor Zylune shows ads.

### Which is updated more often, InLoop or Zylune?

InLoop ships an update weekly, and Zylune every 4 days. Most recently, InLoop was updated on October 25, 2026 and Zylune on October 8, 2026.

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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.*