# Ondi vs TideMoon

The clearest difference is in-app purchases: TideMoon at none against Ondi's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ondi sells 1 one-off in-app purchase. TideMoon asks for nothing beyond the download.

## The numbers

| Metric | Ondi | TideMoon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 10 MB | 8 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Blue Flame Games](https://appshunter.io/developer/523824138) | [向东 张](https://appshunter.io/developer/1889583603) |

## What reviewers say

### Ondi

[App page](https://appshunter.io/ios/app/ondi-private-period-tracker/id6760896784)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cyla Premium | $7.99 | one-time |


### TideMoon

[App page](https://appshunter.io/ios/app/tidemoon/id6762807723)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ondi free?

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

### Is TideMoon free?

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

### Do Ondi or TideMoon have ads?

Neither Ondi nor TideMoon 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.*