# Sherlock ZEN vs LogiBrain Binary

The clearest difference is price: LogiBrain Binary at Free against Sherlock ZEN's $5.99. LogiBrain Binary also leads on rating (4.8 vs 4.1) and update cadence (every 9 days vs every 13 months). Sherlock ZEN's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment, ratings volume and device support there is nothing between them.

LogiBrain Binary is free to download; Sherlock ZEN costs $5.99 up front. LogiBrain Binary sells 1 one-off in-app purchase. Sherlock ZEN asks for nothing beyond the download.

LogiBrain Binary holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 48 and 68 respectively. Written reviews point the same way: 74% of Sherlock ZEN's written reviews are positive against 81% of LogiBrain Binary's.

Sherlock ZEN ships an update every 13 months, LogiBrain Binary every 9 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sherlock ZEN | LogiBrain Binary |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.1 (48 ratings)](https://appshunter.io/ios/app/sherlock-zen/id979645848/reviews) | **[4.8 (68 ratings)](https://appshunter.io/ios/app/logibrain-binary/id1136183233/reviews)** |
| Number of ratings | 48 | **68** |
| Positive reviews | 73.5% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 29 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Everett Kaser Software](https://appshunter.io/developer/383644089) | [Kevin Van Rooijen](https://appshunter.io/developer/1019316881) |

## What reviewers say

### Sherlock ZEN

[App page](https://appshunter.io/ios/app/sherlock-zen/id979645848)

Engage your mind with logic puzzles that challenge you to deduce the placement of images on a grid. Solve thousands of unique puzzles across various sizes using graphical clues to uncover hidden arrangements.

**Highlights:** Logic grid puzzles, Deduce image locations, Graphical clues, Multiple grid sizes (4x4, 5x5, 6x6), 150,000 unique puzzles

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

**In-app purchases:** none


### LogiBrain Binary

[App page](https://appshunter.io/ios/app/logibrain-binary/id1136183233)

Engage your mind with a challenging logic puzzle game. Fill grids with zeros and ones following specific rules. Offers thousands of unique puzzles across various difficulty levels and grid sizes for hours of brain-training fun.

**Highlights:** 4 difficulty levels, 5 grid sizes, 2000+ unique puzzles, Error highlighting, Automatic saving, Hint and solution options, Undo/redo steps

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


## Frequently asked questions

### Is Sherlock ZEN free?

Sherlock ZEN costs $5.99, with no in-app purchases.

### Is LogiBrain Binary free?

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

### Which has better reviews, Sherlock ZEN or LogiBrain Binary?

LogiBrain Binary is rated higher. Sherlock ZEN averages 4.1 out of 5 from 48 ratings, while LogiBrain Binary averages 4.8 from 68 ratings.

### Do Sherlock ZEN or LogiBrain Binary have ads?

LogiBrain Binary shows ads; Sherlock ZEN does not.

### Which is updated more often, Sherlock ZEN or LogiBrain Binary?

Sherlock ZEN ships an update every 13 months, and LogiBrain Binary every 9 days. Most recently, Sherlock ZEN was updated on October 11, 2026 and LogiBrain Binary 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.*