# LogiBrain Hitori vs SudoJ4d'

The clearest difference is update cadence: SudoJ4d' at every 4 days against LogiBrain Hitori's fortnightly. SudoJ4d' also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LogiBrain Hitori sells 1 one-off in-app purchase and SudoJ4d' sells 9 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

LogiBrain Hitori ships an update fortnightly, SudoJ4d' every 4 days. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | LogiBrain Hitori | SudoJ4d' |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21 ratings)](https://appshunter.io/ios/app/logibrain-hitori/id1264159942/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 45 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Van Rooijen](https://appshunter.io/developer/1019316881) | [arnaud vasse](https://appshunter.io/developer/1861118653) |

## What reviewers say

### LogiBrain Hitori

[App page](https://appshunter.io/ios/app/logibrain-hitori/id1264159942)

This logic puzzle game challenges your brain with thousands of unique Hitori puzzles. It offers five difficulty levels and seven grid sizes, all completely free. Enjoy a handy format with features like auto-save and hints.

**Highlights:** Thousands of unique Hitori puzzles, 5 difficulty levels, 7 grid sizes, Auto-save game progress, Hint and solution features, Error checking and highlighting

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### SudoJ4d'

[App page](https://appshunter.io/ios/app/sudoj4d/id6757122299)

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| semaine premium | $1.99 | per 7 days |
| abonnement mensuel premium | $3.99 | per month |
| SEASON PASS VIP | $8.99 | per month |
| abonnement annuel premium | $34.99 | per year |
| petit pack 500J4D's | $0.99 | one-time |
| pack moyen 1200 J4D's | $1.99 | one-time |
| gros pack 3000 J4D's | $3.99 | one-time |
| mega pack 7500 J4D's | $8.99 | one-time |
| atomik pack de 100 000 J4D's! | $89.99 | one-time |


## Frequently asked questions

### Is LogiBrain Hitori free?

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

### Is SudoJ4d' free?

SudoJ4d' is free to download, with in-app purchases available.

### Do LogiBrain Hitori or SudoJ4d' have ads?

Both LogiBrain Hitori and SudoJ4d' show ads.

### Which is updated more often, LogiBrain Hitori or SudoJ4d'?

LogiBrain Hitori ships an update fortnightly, and SudoJ4d' every 4 days. Most recently, LogiBrain Hitori was updated on October 10, 2026 and SudoJ4d' on September 26, 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.*