# Sudoku· vs Enigma

The clearest difference is ads: Enigma at none against Sudoku·'s shown. Sudoku·'s advantage is update cadence (every 2 months vs every 38 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sudoku· ships an update every 2 months, Enigma every 38 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sudoku· | Enigma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (17K ratings)](https://appshunter.io/ios/app/sudoku/id839681682/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 65.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 38 months |
| Monetization | Ad-supported | — |
| Size | 42 MB | 28 MB |
| Requires iOS | 13 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [Algorithm Solution SpA](https://appshunter.io/developer/1474559033) |

## What reviewers say

### Sudoku·

[App page](https://appshunter.io/ios/app/sudoku/id839681682)

Engage your mind with a classic Sudoku puzzle game. Enjoy a clean interface and multiple difficulty levels. Track your progress and compete with others.

**Highlights:** Daily Challenge, Multiple difficulty levels, Note taking, Hint system, Highlight incorrect values, Individual statistics, Game Center leaderboard

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Excellent sudoku game
- 👍 Easy to use and understand
- 🧠 Helps exercise the brain
- 💤 Relaxing and calming

**What reviewers complain about**

- 🙄 Excessive ads and interruptions
- ⏱️ Ads affect game timer
- 🔇 Cannot mute or control audio
- 🐛 Bugs and crashes

**Reported bugs**

- Game freezes or crashes after updates
- Timer issues due to ads
- Difficulty closing ads or navigating UI
- Incompatibility with newer devices

**Requested features**

- Option to pay for ad-free version
- Ability to pause and restart games
- More detailed performance tracking
- Customizable color themes


### Enigma

[App page](https://appshunter.io/ios/app/enigma/id1511444794)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku· free?

Sudoku· is free to download, with no in-app purchases.

### Is Enigma free?

Enigma is free to download, with no in-app purchases.

### Do Sudoku· or Enigma have ads?

Sudoku· shows ads; Enigma does not.

### Which is updated more often, Sudoku· or Enigma?

Sudoku· ships an update every 2 months, and Enigma every 38 months. Most recently, Sudoku· was updated on October 30, 2026 and Enigma on October 25, 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.*