# Screen Time Control・App Block vs ChessZen

The clearest difference is ads: ChessZen at none against Screen Time Control・App Block's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Screen Time Control・App Block sells 5 in-app purchases, starting at $4.99 per 7 days and ChessZen sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Screen Time Control・App Block ships an update monthly, ChessZen every 2 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Screen Time Control・App Block | ChessZen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/screen-time-controlapp-block/id6447555763/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 22 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Backevich](https://appshunter.io/developer/1509085586) | [Jake Edwards](https://appshunter.io/developer/1892605821) |

## What reviewers say

### Screen Time Control・App Block

[App page](https://appshunter.io/ios/app/screen-time-controlapp-block/id6447555763)

This app helps you eliminate distractions and achieve your productivity goals by blocking specific apps and notifications. Its simple interface allows for customizable blocking schedules to suit different needs, ensuring uninterrupted focus during work or study.

**Highlights:** Customizable app blocking, Tailored blocking scenarios, Uninterrupted focus, Prevent app distractions, Simple and intuitive interface, Focus timer

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Weekly premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |
| Yearly Premium | $39.99 | per year |
| Yearly premium | $39.99 | per year |


### ChessZen

[App page](https://appshunter.io/ios/app/chesszen-screen-time-control/id6762036494)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Blocker Premium – Annual | $19.99 | per year |


## Frequently asked questions

### Is Screen Time Control・App Block free?

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

### Is ChessZen free?

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

### Do Screen Time Control・App Block or ChessZen have ads?

Screen Time Control・App Block shows ads; ChessZen does not.

### Which is updated more often, Screen Time Control・App Block or ChessZen?

Screen Time Control・App Block ships an update monthly, and ChessZen every 2 weeks. Most recently, Screen Time Control・App Block was updated on October 2, 2026 and ChessZen on October 8, 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.*