# Only7 vs ChickMark

The clearest difference is in-app purchases: ChickMark at none against Only7's 2. ChickMark also leads on iOS requirement (17.0 vs 26.2). Only7's advantage is ads (none vs shown) and device support (5 vs 3). On price there is nothing between them.

Both are free to download. Only7 sells 2 one-off in-app purchases. ChickMark asks for nothing beyond the download.

## The numbers

| Metric | Only7 | ChickMark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 46 MB | 20 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sahil Chaddha](https://appshunter.io/developer/1695364563) | [ARVECTUM](https://appshunter.io/developer/6816013576) |

## What reviewers say

### Only7

[App page](https://appshunter.io/ios/app/only7-habit-tracker/id6759345219)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $9.99 | one-time |
| Lifetime - Family Sharing | $14.99 | one-time |


### ChickMark

[App page](https://appshunter.io/ios/app/chickmark-habit-tracker/id6818711298)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Only7 free?

Only7 is free to download, with in-app purchases available.

### Is ChickMark free?

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

### Do Only7 or ChickMark have ads?

ChickMark shows ads; Only7 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.*