# 365 days app vs One Thing

The clearest difference is in-app purchases: 365 days app at none against One Thing's 2. 365 days app also leads on iOS requirement (13.0 vs 26.2). One Thing's advantage is update cadence (every 5 weeks vs every 26 months). On price there is nothing between them.

Both are free to download. One Thing sells 2 in-app purchases, starting at $0.99 per year. 365 days app asks for nothing beyond the download.

365 days app ships an update every 26 months, One Thing every 5 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 365 days app | One Thing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 26 months | **Every 5 weeks** |
| Size | 40 MB | 6 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [neplaz dimitri](https://appshunter.io/developer/1736091363) | [Stefan Mattis](https://appshunter.io/developer/1882107507) |

## What reviewers say

### 365 days app

[App page](https://appshunter.io/ios/app/365-days-app/id6479512468)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 365 days app free?

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

### Is One Thing free?

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

### Which is updated more often, 365 days app or One Thing?

365 days app ships an update every 26 months, and One Thing every 5 weeks. Most recently, 365 days app was updated on October 4, 2026 and One Thing on October 7, 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.*