# LockIn vs Screen Stamina

The clearest difference is in-app purchases: Screen Stamina at none against LockIn's 3. Screen Stamina 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. LockIn sells 3 in-app purchases, starting at $3.99 per 7 days. Screen Stamina asks for nothing beyond the download.

## The numbers

| Metric | LockIn | Screen Stamina |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/lockin-screen-time-control/id6756734456/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 40 MB | 15 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tymofii Hrynchuk](https://appshunter.io/developer/1833879471) | [ANTHONY GARANT](https://appshunter.io/developer/1870988210) |

## What reviewers say

### LockIn

[App page](https://appshunter.io/ios/app/lockin-screen-time-control/id6756734456)

This app helps high-achievers regain control of their day by blocking distracting apps and websites. It uses AI-assisted planning and unique verification methods like photo proof and AI fitness tracking to ensure task completion and habit formation.

**Highlights:** AI-assisted scheduling, Hard app and website blocking, ML-powered fitness verification, Photo proof verification, 21-day habit architect, Integration with Apple Health

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription LockIn | $7.99 | per month |
| Annual Subscription LockIn | $29.99 | per year |


### Screen Stamina

[App page](https://appshunter.io/ios/app/screen-stamina/id6758153716)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LockIn free?

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

### Is Screen Stamina free?

Screen Stamina is free to download, with no in-app purchases.

### Do LockIn or Screen Stamina have ads?

Neither LockIn nor Screen Stamina 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.*