# Binary Puzzle vs Calm Sudoku

The clearest difference is ads: Calm Sudoku at none against Binary Puzzle's shown. Calm Sudoku also leads on update cadence (every 8 days vs every 2 months). Binary Puzzle's advantage is iOS requirement (15.6 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Binary Puzzle sells 1 one-off in-app purchase and Calm Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Binary Puzzle ships an update every 2 months, Calm Sudoku every 8 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Binary Puzzle | Calm Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calm-sudoku-daily/id6777529599/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 11 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 4+ |
| Developer | [Huy Huynh](https://appshunter.io/developer/1815003126) | [Anas Bouzoubaa](https://appshunter.io/developer/926249883) |

## What reviewers say

### Binary Puzzle

[App page](https://appshunter.io/ios/app/binary-puzzle-tap-and-solve/id6751544602)

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

**In-app purchases (1)**

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


### Calm Sudoku

[App page](https://appshunter.io/ios/app/calm-sudoku-daily/id6777529599)

Enjoy classic logic puzzles in a peaceful environment. Offers daily challenges and a large library of puzzles with honest difficulty levels. Designed for privacy with no ads, subscriptions, or tracking.

**Highlights:** Daily new puzzles, Generous starter library, Three honest difficulty levels, Pencil notes with auto-cleanup, Undo, erase, and conflict highlighting, Warm light and dark themes, Full VoiceOver support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Complete Library | $4.99 | one-time |


## Frequently asked questions

### Is Binary Puzzle free?

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

### Is Calm Sudoku free?

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

### Do Binary Puzzle or Calm Sudoku have ads?

Binary Puzzle shows ads; Calm Sudoku does not.

### Which is updated more often, Binary Puzzle or Calm Sudoku?

Binary Puzzle ships an update every 2 months, and Calm Sudoku every 8 days. Most recently, Binary Puzzle was updated on October 25, 2026 and Calm Sudoku on October 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.*