# Sudoku ′ vs Sudoku ⋅

Sudoku ′ and Sudoku ⋅ both sit at 4.7 stars, but that hides the real split: 81% of Sudoku ′'s written reviews are positive against 36% of Sudoku ⋅'s. Sudoku ′ also leads on ratings volume (39K vs 500) and iOS requirement (12.4 vs 17.0). Sudoku ⋅'s advantage is update cadence (every 11 days vs every 3 months). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Sudoku ′ sells 1 one-off in-app purchase and Sudoku ⋅ sells 10 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Sudoku ′ against 4.6 for Sudoku ⋅. That said, the two scores are not equally well evidenced: Sudoku ′ has 39K ratings behind it against 500, so its average is the more settled of the two. Written reviews are what separate them: 81% of Sudoku ′'s written reviews are positive against 36% of Sudoku ⋅'s.

Sudoku ′ ships an update every 3 months, Sudoku ⋅ every 11 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sudoku ′ | Sudoku ⋅ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (39K ratings)](https://appshunter.io/ios/app/sudoku/id408188960/reviews)** | [4.6 (500 ratings)](https://appshunter.io/ios/app/sudoku/id6447060944/reviews) |
| Number of ratings | **39K** | 500 |
| Positive reviews | **81.3% of reviews** | 36.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 23 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mind The Frog, Inc.](https://appshunter.io/developer/329981779) | [Appagon](https://appshunter.io/developer/567983128) |

## What reviewers say

### Sudoku ′

[App page](https://appshunter.io/ios/app/sudoku/id408188960)

Engage with an unlimited supply of Sudoku puzzles, playable online or offline. This app offers six difficulty levels, daily challenges, and a clean, user-friendly interface designed for both novice and expert players. Enjoy a distraction-free experience with customizable settings and essential tools like undo/redo and note-taking.

**Highlights:** Unlimited Sudoku grids, Offline play, 6 difficulty levels, Daily challenges, Undo/Redo functionality, Automatic and manual notes, Conflict and error highlighting

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🧠 Challenging levels
- 🎨 Customizable colors
- 📝 Helpful note-taking feature
- 🔍 Number highlighting

**What reviewers complain about**

- 🔍 Confusing note-taking behavior
- 🔍 Difficulty level jumps
- 🔍 Ads interrupting gameplay
- 🔍 Lack of progress tracking
- 🔍 Unstable on some devices

**Reported bugs**

- Puzzle errors
- App crashes
- Incorrect number placement
- Sideways orientation on tablets

**Requested features**

- Ability to stay in note mode
- More granular difficulty levels
- Mute option for ads
- Progress tracking and statistics
- Improved stability on older devices


### Sudoku ⋅

[App page](https://appshunter.io/ios/app/sudoku/id6447060944)

Engage your mind with a popular logic puzzle game. Choose your difficulty, take notes, and track your progress to enhance memory and relax. Enjoy a satisfying challenge anytime, anywhere.

**Highlights:** Adjustable difficulty levels, Note-taking for number tracking, Statistics and progress tracking, Day-by-day progress monitoring, Premium features via subscription

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weekly | $0.99 | per 7 days |
| Premium weekly | $0.99 | per 7 days |
| Premium monthly | $1.99 | per month |
| Premium monthly with trial | $1.99 | per month |
| Premium weekly | $2.99 | per 7 days |
| Premium weekly | $4.99 | per 7 days |
| Premium weekly | $4.99 | per 7 days |
| Premium yearly | $4.99 | per year |
| Premium yearly | $9.99 | per year |
| Premium yearly with trial | $9.99 | per year |


## Frequently asked questions

### Is Sudoku ′ free?

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

### Is Sudoku ⋅ free?

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

### Which has better reviews, Sudoku ′ or Sudoku ⋅?

Sudoku ′ is rated higher. Sudoku ′ averages 4.7 out of 5 from 39K ratings, while Sudoku ⋅ averages 4.6 from 500 ratings.

### Do Sudoku ′ or Sudoku ⋅ have ads?

Both Sudoku ′ and Sudoku ⋅ show ads.

### Which is updated more often, Sudoku ′ or Sudoku ⋅?

Sudoku ′ ships an update every 3 months, and Sudoku ⋅ every 11 days. Most recently, Sudoku ′ was updated on October 27, 2026 and 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.*