# Lock&Key vs Control Dopamine

The clearest difference is update cadence: Control Dopamine at every 2 days against Lock&Key's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lock&Key sells 2 in-app purchases, starting at $4.99 per month and Control Dopamine sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lock&Key ships an update every 10 days, Control Dopamine every 2 days. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Lock&Key | Control Dopamine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/control-dopamine-screen-time/id6761228537/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | — | Subscription |
| Size | 73 MB | 85 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [TURKTICARET.Net Yazilim Hiz. San. ve Tic. A.S.](https://appshunter.io/developer/332535029) | [GH SERVICOS DIGITAIS LTDA](https://appshunter.io/developer/1862958826) |

## What reviewers say

### Lock&Key

[App page](https://appshunter.io/ios/app/lock-and-key-screen-time/id6758299678)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $21.99 | per year |


### Control Dopamine

[App page](https://appshunter.io/ios/app/control-dopamine-screen-time/id6761228537)

This app helps you build healthier screen time habits by gamifying your digital life. Earn credits through real-world activities to unlock distracting apps, with a virtual mascot to visualize your progress.

**Highlights:** Smart App Blocking, Brain Credits System, Yelo Mascot for Motivation, 28-Day Focus Reset Challenge, Streak Tracking, Weekly Progress Reports

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ControlDopamine Pro Weekly | $6.99 | per 7 days |
| ControlDopamine Pro Monthly | $14.99 | per month |
| Annual Welcome Offer | $14.99 | per year |
| ControlDopamine Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Lock&Key free?

Lock&Key is free to download, with in-app purchases available.

### Is Control Dopamine free?

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

### Do Lock&Key or Control Dopamine have ads?

Neither Lock&Key nor Control Dopamine shows ads.

### Which is updated more often, Lock&Key or Control Dopamine?

Lock&Key ships an update every 10 days, and Control Dopamine every 2 days. Most recently, Lock&Key was updated on October 12, 2026 and Control Dopamine on October 20, 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.*