# Sudoku HD! vs SudoBirds

The clearest difference is rating: SudoBirds at 5.0 against Sudoku HD!'s 4.5. SudoBirds also leads on review sentiment (100% vs 87%) and device support (3 vs 1). Sudoku HD!'s advantage is ratings volume (770 vs 16). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sudoku HD! sells 11 one-off in-app purchases and SudoBirds sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SudoBirds holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sudoku HD! has 770 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 87% of Sudoku HD!'s written reviews are positive against 100% of SudoBirds's.

Sudoku HD! ships an update every 6 months, SudoBirds every 4 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Sudoku HD! | SudoBirds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (770 ratings)](https://appshunter.io/ios/app/sudoku-hd/id397229659/reviews) | **[5.0 (16 ratings)](https://appshunter.io/ios/app/sudobirds/id1507740916/reviews)** |
| Number of ratings | **770** | 16 |
| Positive reviews | 86.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 128 MB | 165 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Optime Software LLC](https://appshunter.io/developer/289278460) | [Bitomit](https://appshunter.io/developer/1774672391) |

## What reviewers say

### Sudoku HD!

[App page](https://appshunter.io/ios/app/sudoku-hd/id397229659)

Experience Sudoku with a feudal Japan theme and stunning graphics. This app offers dual keypads for efficient input, smart note-taking features, and optional error checking. Enjoy multiple difficulty levels and thousands of puzzles.

**Highlights:** Dual keypad entry, Smart notes feature, Optional auto-notes, Optional error checking, Multiple difficulty levels, Thousands of puzzles

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puzzle Pack - Showa | $0.99 | one-time |
| Puzzle Pack - Kurikara | $0.99 | one-time |
| Puzzle Pack - Subushi | $0.99 | one-time |
| Puzzle Pack - Miura | $0.99 | one-time |
| Puzzle Pack - Kasagi | $0.99 | one-time |
| Puzzle Pack - Ishizu | $0.99 | one-time |
| Puzzle Pack - Sakai | $0.99 | one-time |
| Puzzle Pack - Genpei | $0.99 | one-time |
| Puzzle Pack - Norada | $0.99 | one-time |
| Puzzle Pack - Meiji | $0.99 | one-time |
| Puzzle Pack - Taisho | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🤓 Challenging puzzles
- 🎶 Relaxing music
- 💻 Great interface
- 🧠 Keeps mind active

**What reviewers complain about**

- 🔍 Too many ads
- 🔄 Crashes and freezes
- 🎨 Dislike new layout changes
- 🤦‍♂️ Penalizes for mistakes
- 🔒 Cannot revert to old version

**Reported bugs**

- Puzzles marked as completed when they are not
- Crashes when trying to play 'insane' level puzzles
- Purchases not restoring across devices

**Requested features**

- Allow resetting of puzzles
- Provide level selection options
- Automatically clear notes when number is entered
- Add landscape mode support


### SudoBirds

[App page](https://appshunter.io/ios/app/sudobirds/id1507740916)

A challenging puzzle game that combines sudoku mechanics with a unique bird-dropping twist. Strategically place birds to complete lines and squares, aiming for high scores and streaks. Compete against yourself or others in this addictive brain teaser.

**Highlights:** Sudoku and puzzle game blend, Drop birds to complete lines and squares, Score bonus points for perpendicular lines, Earn streaks for consecutive successful moves, Compete for high scores, Game Center multiplayer

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Egg Pack #1 | $0.99 | one-time |
| Egg Pack #2 | $3.99 | one-time |
| Egg Pack #3 | $6.99 | one-time |


## Frequently asked questions

### Is Sudoku HD! free?

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

### Is SudoBirds free?

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

### Which has better reviews, Sudoku HD! or SudoBirds?

SudoBirds is rated higher. Sudoku HD! averages 4.5 out of 5 from 770 ratings, while SudoBirds averages 5.0 from 16 ratings.

### Do Sudoku HD! or SudoBirds have ads?

Both Sudoku HD! and SudoBirds show ads.

### Which is updated more often, Sudoku HD! or SudoBirds?

Sudoku HD! ships an update every 6 months, and SudoBirds every 4 months. Most recently, Sudoku HD! was updated on October 29, 2026 and SudoBirds on October 29, 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.*