# Just One vs Dot Timer | Focus Timer

The clearest difference is in-app purchases: Dot Timer | Focus Timer at none against Just One's 3. Dot Timer | Focus Timer also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Just One sells 3 in-app purchases, starting at $1.99 per month. Dot Timer | Focus Timer asks for nothing beyond the download.

## The numbers

| Metric | Just One | Dot Timer | Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 4 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Diego Garcia-Viana](https://appshunter.io/developer/1867220680) | [Hirasawa Masayuki](https://appshunter.io/developer/6773038707) |

## What reviewers say

### 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 |


### Dot Timer | Focus Timer

[App page](https://appshunter.io/ios/app/dot-timer-focus-timer/id6773038705)

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

**In-app purchases:** none


## Frequently asked questions

### Is Just One free?

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

### Is Dot Timer | Focus Timer free?

Dot Timer | Focus Timer is free to download, with no in-app purchases.

### Do Just One or Dot Timer | Focus Timer have ads?

Neither Just One nor Dot Timer | Focus Timer shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*