# ChessLock vs Helper One

The clearest difference is ads: ChessLock at none against Helper One's shown. ChessLock also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ChessLock sells 5 in-app purchases, starting at $2.99 per month and Helper One sells 4 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

ChessLock ships an update fortnightly, Helper One every 9 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | ChessLock | Helper One |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 50 MB | 91 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Patricio Guzman](https://appshunter.io/developer/1707843725) | [Peter Dove](https://appshunter.io/developer/359728246) |

## 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 |


### Helper One

[App page](https://appshunter.io/ios/app/helper-one/id6759523720)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bring Your Own Key | $17.99 | per month |
| Pro | $29.99 | per month |
| Pro "Max 5x" | $59.99 | per month |
| Pro "Max 20x" | $124.99 | per month |


## Frequently asked questions

### Is ChessLock free?

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

### Is Helper One free?

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

### Do ChessLock or Helper One have ads?

Helper One shows ads; ChessLock does not.

### Which is updated more often, ChessLock or Helper One?

ChessLock ships an update fortnightly, and Helper One every 9 days. Most recently, ChessLock was updated on October 12, 2026 and Helper One on October 12, 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.*