# ChessLock vs Screen Time Control

The clearest difference is device support: ChessLock at 3 against Screen Time Control's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ChessLock sells 5 in-app purchases, starting at $2.99 per month and Screen Time Control sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ChessLock ships an update fortnightly, Screen Time Control weekly. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ChessLock | Screen Time Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/chesslock-screen-time-control/id6744930081/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Freemium | — |
| Size | 50 MB | 29 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Patricio Guzman](https://appshunter.io/developer/1707843725) | [David Bosze](https://appshunter.io/developer/1658380705) |

## What reviewers say

### ChessLock

[App page](https://appshunter.io/ios/app/chesslock-screen-time-control/id6744930081)

This app helps you control screen time by blocking distracting applications. To take a break, you must solve chess puzzles, sharpening your mind and earning your pause. It's designed for anyone seeking enhanced focus and productivity with a unique, brain-boosting approach.

**Highlights:** Block distracting apps, Solve chess puzzles for breaks, Customizable focus sessions, Brain-training puzzles, Private by design, no data collection, Pro version for advanced features

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chesslock Pro | $2.99 | per month |
| Chesslock Pro | $19.99 | per year |
| Chesslock Pro | $29.99 | per year |
| Chesslock Pro | $17.49 | one-time |
| Chesslock Pro | $34.99 | one-time |


### Screen Time Control

[App page](https://appshunter.io/ios/app/screen-time-control-still/id6782291592)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Still Premium Monthly | $3.99 | per month |
| Still Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is ChessLock free?

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

### Is Screen Time Control free?

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

### Do ChessLock or Screen Time Control have ads?

Neither ChessLock nor Screen Time Control shows ads.

### Which is updated more often, ChessLock or Screen Time Control?

ChessLock ships an update fortnightly, and Screen Time Control weekly. Most recently, ChessLock was updated on October 12, 2026 and Screen Time Control on October 10, 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.*