# Dopamine Detox vs Just One

The clearest difference is in-app purchases: Dopamine Detox 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. Dopamine Detox asks for nothing beyond the download.

## The numbers

| Metric | Dopamine Detox | Just One |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 4 MB | 4 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Balazs Norbert Horvath](https://appshunter.io/developer/1549562896) | [Diego Garcia-Viana](https://appshunter.io/developer/1867220680) |

## What reviewers say

### Dopamine Detox

[App page](https://appshunter.io/ios/app/dopamine-detox-focus-timer/id6756268685)

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

**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 Dopamine Detox free?

Dopamine Detox 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 Dopamine Detox or Just One have ads?

Neither Dopamine Detox 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.*