# Mind the Focus vs Chess Engine for Stockfish

The clearest difference is price: Chess Engine for Stockfish at Free against Mind the Focus's $4.99. Chess Engine for Stockfish also leads on rating (4.1 vs 3.3) and ratings volume (31 vs 3). Mind the Focus's advantage is in-app purchases (none vs 2) and review sentiment (25% vs 0%). On update cadence and ads there is nothing between them.

Chess Engine for Stockfish is free to download; Mind the Focus costs $4.99 up front. Chess Engine for Stockfish sells 2 in-app purchases, starting at $4.99 per 7 days. Mind the Focus asks for nothing beyond the download.

Chess Engine for Stockfish holds the better App Store score, 4.1 against 3.3. That said, the two scores are not equally well evidenced: Chess Engine for Stockfish has 31 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 25% of Mind the Focus's written reviews are positive against 0% of Chess Engine for Stockfish's, so the app with the better star average is not the one people write more warmly about.

Mind the Focus ships an update every 3 weeks, Chess Engine for Stockfish every 5 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Mind the Focus | Chess Engine for Stockfish |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/mind-the-focus-calendar/id6476835045/reviews) | **[4.1 (31 ratings)](https://appshunter.io/ios/app/chess-engine-for-stockfish/id6753706741/reviews)** |
| Number of ratings | 3 | **31** |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#199** | — |
| Size | 61 MB | 7 MB |
| Requires iOS | 27.0 | **16.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Fuerst](https://appshunter.io/developer/1609516396) | [Allegro Digital](https://appshunter.io/developer/1839170882) |

## What reviewers say

### Mind the Focus

[App page](https://appshunter.io/ios/app/mind-the-focus-calendar/id6476835045)

**Currently charting:** #199 Top Paid · Productivity (US App Store)

This application automatically activates custom focus modes based on your calendar events. It allows you to define focus settings for upcoming events and customize activation times. You can also mute specific events or ignore certain calendars to ensure you stay focused on what matters.

**Highlights:** Automatic focus mode activation, Customizable focus settings per event, Scheduled focus activation/deactivation, Mute specific events, Ignore calendars, Calendar synchronization

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Chess Engine for Stockfish

[App page](https://appshunter.io/ios/app/chess-engine-for-stockfish/id6753706741)

Analyze chess positions with a powerful engine, create and edit boards, and import games from images or FEN strings. Save your favorite setups and customize the look with various themes and piece styles.

**Highlights:** Advanced analysis board, Intuitive board editor, Import from images/FEN, Saved positions, Customizable themes, Win probability analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Mind the Focus free?

Mind the Focus costs $4.99, with no in-app purchases.

### Is Chess Engine for Stockfish free?

Chess Engine for Stockfish is free to download, with in-app purchases available.

### Which has better reviews, Mind the Focus or Chess Engine for Stockfish?

Chess Engine for Stockfish is rated higher. Mind the Focus averages 3.3 out of 5 from 3 ratings, while Chess Engine for Stockfish averages 4.1 from 31 ratings.

### Do Mind the Focus or Chess Engine for Stockfish have ads?

Neither Mind the Focus nor Chess Engine for Stockfish shows ads.

### Which is updated more often, Mind the Focus or Chess Engine for Stockfish?

Mind the Focus ships an update every 3 weeks, and Chess Engine for Stockfish every 5 weeks. Most recently, Mind the Focus was updated on November 4, 2026 and Chess Engine for Stockfish on November 5, 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.*