# Sudoku SE vs Flex Sudoku

The clearest difference is rating: Sudoku SE at 4.6 against Flex Sudoku's 3.1. Sudoku SE also leads on review sentiment (91% vs 50%) and ratings volume (1.9K vs 8). Flex Sudoku's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Sudoku SE holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: Sudoku SE has 1.9K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 91% of Sudoku SE's written reviews are positive against 50% of Flex Sudoku's.

Sudoku SE ships an update every 5 weeks, Flex Sudoku every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sudoku SE | Flex Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.9K ratings)](https://appshunter.io/ios/app/sudoku-se/id285755462/reviews)** | [3.1 (8 ratings)](https://appshunter.io/ios/app/flex-sudoku/id1643590351/reviews) |
| Number of ratings | **1.9K** | 8 |
| Positive reviews | **90.6% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 20 MB | 4 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mighty Mighty Good Games](https://appshunter.io/developer/284921430) | [Jatinder Gogna](https://appshunter.io/developer/1631001233) |

## What reviewers say

### Sudoku SE

[App page](https://appshunter.io/ios/app/sudoku-se/id285755462)

Engage in a classic number-placement puzzle with handcrafted challenges across four skill levels. Features include error highlighting, smart note-taking, and hints to aid your solving. Compete with friends and track your progress with detailed statistics.

**Highlights:** Handcrafted puzzles, Four skill levels, Show incorrect answers, Smart buttons and notes, All notes feature, Hints available, Challenge a friend

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to navigate and play
- 🚀 No annoying ads
- 👍 Intuitive play and options
- 👍 Great for memory training
- 👍 Minimal ads, just a banner

**What reviewers complain about**

- 🐛 Small buttons for big fingers
- 🐛 Inconsistent difficulty levels
- 🐛 Puzzles require guessing at times

**Reported bugs**

- Resume function not always working
- Crashes when continuing a game
- Input sometimes doesn't register correctly

**Requested features**

- Dark mode option
- Ability to input own puzzles
- Automated entry for last remaining possibility


### Flex Sudoku

[App page](https://appshunter.io/ios/app/flex-sudoku/id1643590351)

Engage with challenging Sudoku puzzles of various sizes, from classic 9x9 to larger 16x16 and 25x25 grids. Load pre-made games, create your own, and utilize a built-in solver and note-taking features to enhance your solving experience.

**Highlights:** Multiple Sudoku grid sizes (4x4 to 25x25), Load thousands of built-in games, Enter and solve your own games, Adjustable difficulty levels, Built-in Sudoku solver, Note-taking and hint system, Track game statistics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku SE free?

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

### Is Flex Sudoku free?

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

### Which has better reviews, Sudoku SE or Flex Sudoku?

Sudoku SE is rated higher. Sudoku SE averages 4.6 out of 5 from 1.9K ratings, while Flex Sudoku averages 3.1 from 8 ratings.

### Do Sudoku SE or Flex Sudoku have ads?

Sudoku SE shows ads; Flex Sudoku does not.

### Which is updated more often, Sudoku SE or Flex Sudoku?

Sudoku SE ships an update every 5 weeks, and Flex Sudoku every 2 months. Most recently, Sudoku SE was updated on November 6, 2026 and Flex Sudoku on November 3, 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.*