# ADHD Focus vs OneTask ADHD Focus Timer

The clearest difference is update cadence: ADHD Focus at every 3 days against OneTask ADHD Focus Timer's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ADHD Focus sells 2 in-app purchases, starting at $1.99 per 7 days and OneTask ADHD Focus Timer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ADHD Focus ships an update every 3 days, OneTask ADHD Focus Timer weekly. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ADHD Focus | OneTask ADHD Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 32 MB | 15 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Appgineering GbR](https://appshunter.io/developer/1785233826) | [QUANTUMPARADOX STUDIO PRIVATE LIMITED](https://appshunter.io/developer/1095662507) |

## What reviewers say

### ADHD Focus

[App page](https://appshunter.io/ios/app/adhd-focus-that-one-thing/id6746286274)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThatOneThing Premium (1 week) | $1.99 | per 7 days |
| ThatOneThing Premium (1 year) | $3.99 | per year |


### OneTask ADHD Focus Timer

[App page](https://appshunter.io/ios/app/onetask-adhd-focus-timer/id6757357252)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Focus · Gentle Focus Plan | $4.99 | per month |
| Yearly Focus · Gentle Focus Plan | $29.99 | per year |


## Frequently asked questions

### Is ADHD Focus free?

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

### Is OneTask ADHD Focus Timer free?

OneTask ADHD Focus Timer is free to download, with in-app purchases available.

### Do ADHD Focus or OneTask ADHD Focus Timer have ads?

Neither ADHD Focus nor OneTask ADHD Focus Timer shows ads.

### Which is updated more often, ADHD Focus or OneTask ADHD Focus Timer?

ADHD Focus ships an update every 3 days, and OneTask ADHD Focus Timer weekly. Most recently, ADHD Focus was updated on October 17, 2026 and OneTask ADHD Focus Timer on October 19, 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.*