# ChessLock vs PlanKept

The clearest difference is update cadence: PlanKept at every 4 days against ChessLock's fortnightly. ChessLock's advantage is iOS requirement (17.0 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

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

ChessLock ships an update fortnightly, PlanKept every 4 days. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ChessLock | PlanKept |
| --- | --- | --- |
| 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 | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 50 MB | 107 MB |
| Requires iOS | **17.0** | 26.4 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Patricio Guzman](https://appshunter.io/developer/1707843725) | [Aleksander Jałtuszyk](https://appshunter.io/developer/1885526701) |

## 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 |


### PlanKept

[App page](https://appshunter.io/ios/app/plankept/id6762317618)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlanKept Starter | $0.99 | one-time |
| PlanKept Unlock | $2.99 | one-time |


## Frequently asked questions

### Is ChessLock free?

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

### Is PlanKept free?

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

### Do ChessLock or PlanKept have ads?

Neither ChessLock nor PlanKept shows ads.

### Which is updated more often, ChessLock or PlanKept?

ChessLock ships an update fortnightly, and PlanKept every 4 days. Most recently, ChessLock was updated on September 26, 2026 and PlanKept on September 24, 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.*