# ADHD Assistant vs One Task

The clearest difference is in-app purchases: ADHD Assistant at none against One Task's 1. ADHD Assistant also leads on update cadence (daily vs every 4 weeks) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. One Task sells 1 one-off in-app purchase. ADHD Assistant asks for nothing beyond the download.

ADHD Assistant ships an update daily, One Task every 4 weeks. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ADHD Assistant | One Task |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 weeks |
| Size | 30 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tidy Bear, LLC](https://appshunter.io/developer/1838890731) | [KAZUHO MOROFUJI](https://appshunter.io/developer/1862359039) |

## What reviewers say

### ADHD Assistant

[App page](https://appshunter.io/ios/app/adhd-assistant/id6752323911)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Task

[App page](https://appshunter.io/ios/app/one-task-one-focus/id6756692582)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Task Plus | $1.99 | one-time |


## Frequently asked questions

### Is ADHD Assistant free?

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

### Is One Task free?

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

### Do ADHD Assistant or One Task have ads?

Neither ADHD Assistant nor One Task shows ads.

### Which is updated more often, ADHD Assistant or One Task?

ADHD Assistant ships an update daily, and One Task every 4 weeks. Most recently, ADHD Assistant was updated on September 22, 2026 and One Task on September 18, 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.*