# Checkon vs OneTask ADHD Focus Timer

The clearest difference is ads: OneTask ADHD Focus Timer at none against Checkon's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Checkon sells 2 in-app purchases, starting at $2.99 per month 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.

Checkon ships an update every 10 days, OneTask ADHD Focus Timer weekly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Checkon | OneTask ADHD Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Weekly** |
| Size | 270 MB | 15 MB |
| Requires iOS | **18.5** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Anthony Chase](https://appshunter.io/developer/1859431539) | [QUANTUMPARADOX STUDIO PRIVATE LIMITED](https://appshunter.io/developer/1095662507) |

## What reviewers say

### Checkon

[App page](https://appshunter.io/ios/app/checkon-checklist-manager/id6756239483)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Checkon Pro Monthly | $2.99 | per month |
| Checkon Pro Yearly | $24.99 | 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 Checkon free?

Checkon 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 Checkon or OneTask ADHD Focus Timer have ads?

Checkon shows ads; OneTask ADHD Focus Timer does not.

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

Checkon ships an update every 10 days, and OneTask ADHD Focus Timer weekly. Most recently, Checkon was updated on October 14, 2026 and OneTask ADHD Focus Timer on October 2, 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.*