# One Thing vs JustBegin

The clearest difference is update cadence: JustBegin at every 3 weeks against One Thing's every 4 months. JustBegin also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. One Thing sells 2 in-app purchases, starting at $0.99 per year and JustBegin sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

One Thing ships an update every 4 months, JustBegin every 3 weeks. The most recent releases landed on November 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | One Thing | JustBegin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 8 MB | 3 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Mattis](https://appshunter.io/developer/1882107507) | [小红 顾](https://appshunter.io/developer/1375286603) |

## What reviewers say

### One Thing

[App page](https://appshunter.io/ios/app/one-thing-one-focus/id6759986499)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $0.99 | per year |
| Forever Pro | $2.99 | one-time |


### JustBegin

[App page](https://appshunter.io/ios/app/justbegin/id6764359234)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Premium | $4.99 | per month |


## Frequently asked questions

### Is One Thing free?

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

### Is JustBegin free?

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

### Do One Thing or JustBegin have ads?

Neither One Thing nor JustBegin shows ads.

### Which is updated more often, One Thing or JustBegin?

One Thing ships an update every 4 months, and JustBegin every 3 weeks. Most recently, One Thing was updated on November 9, 2026 and JustBegin on October 28, 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.*