# The 1Thing vs Just One

The clearest difference is in-app purchases: The 1Thing at none against Just One's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Just One sells 3 in-app purchases, starting at $1.99 per month. The 1Thing asks for nothing beyond the download.

## The numbers

| Metric | The 1Thing | Just One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TarkIQ SoftTech LLP](https://appshunter.io/developer/1685817889) | [Diego Garcia-Viana](https://appshunter.io/developer/1867220680) |

## What reviewers say

### The 1Thing

[App page](https://appshunter.io/ios/app/the-1thing/id6451387174)

**In-app purchases:** none


### Just One

[App page](https://appshunter.io/ios/app/just-one-focus-time/id6759597616)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $1.99 | per month |
| Annual Premium Subscription | $9.99 | per year |
| Lifetime Premium Subscription | $14.99 | one-time |


## Frequently asked questions

### Is The 1Thing free?

The 1Thing is free to download, with no in-app purchases.

### Is Just One free?

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

### Do The 1Thing or Just One have ads?

Neither The 1Thing nor Just One shows ads.

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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.*