# myDayZen vs OneThing

The clearest difference is in-app purchases: OneThing at none against myDayZen's 1. OneThing also leads on iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. myDayZen sells 1 in-app purchase, starting at $1.99 per 7 days. OneThing asks for nothing beyond the download.

## The numbers

| Metric | myDayZen | OneThing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 10 MB | 45 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hacı Ahmet GEZGIN](https://appshunter.io/developer/1890529146) | [mirre snelting](https://appshunter.io/developer/1767572812) |

## What reviewers say

### myDayZen

[App page](https://appshunter.io/ios/app/mydayzen/id6761635196)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DayZen Pro | $1.99 | per 7 days |


### OneThing

[App page](https://appshunter.io/ios/app/onething-adhd-focus/id6762911048)

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

**In-app purchases:** none


## Frequently asked questions

### Is myDayZen free?

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

### Is OneThing free?

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

### Do myDayZen or OneThing have ads?

Neither myDayZen nor OneThing 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.*