Sudoku Express vs Cyber Protocol
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Express
Enjoy a classic Sudoku experience with a clean, minimalist interface designed for focused puzzle-solving. Customize your game with multiple color and font options. Offers over 1,000 unique puzzles across easy, medium, and hard difficulties for extended gameplay.
- Minimalist flat UI design
- Easy noting system
- Multiple color schemes
- Font selection for customization
- 1,001 unique puzzles per difficulty
- Easy, Medium, and Hard difficulty levels
Read full descriptionHide full description
The classic Sudoku game at its best for iOS! A version for those who just want to solve the puzzles. A minimalist, flat UI design and easy noting allow you to focus on the point of the game, which is solving the puzzles! Multiple color schemes and font selections allow you to customize the experience to your preferences. With 1,001 unique puzzles each for the included Easy, Medium and Hard puzzles, you will be challenged for hours, days and weeks.
Cyber Protocol
Embark on a challenging arcade puzzle adventure in a cyberpunk world. Solve intricate levels, overcome traps, and race against time to revive a humanoid friend. Compete with friends or aim for global rankings in this demanding game.
- 100 unique puzzle levels
- Dynamic traps and mechanics
- Up to 4-player local multiplayer
- Arcade mode with global ranking
- Retro 80s themes and sounds
- In-game music player
Read full descriptionHide full description
Highly awarded, the hardest game in history heading to your phones – are you ready for the challenge? Cyber Protocol is an arcade puzzle game set in Cyberpunk scenario with a strong and dynamic gameplay. You impersonate the main hero, whose mission is to bring his humanoid friend –G0X6 back to life by activating the protocol. • ABSORBING GAMEPLAY ••••• The team has put every effort to turn each of 100 levels into a new, original challenge, not just with different setups, but also with new traps with different mechanics which could be used in various ways. The plan was that each time you go through a stage, you will get as involved as the first time. • COMPETITIVE •••• Share the fun with your family and friends - Cyber Protocol invites up to 4 players to take up the challenge locally! Be careful, only the best hackers can pass it without harm. • FOR CHALLENGERS •••• Looking for more adrenaline? Try hacking the system in the arcade mode at an increased pace and with limited lives. The task is hard, but if you are good enough, you can get your place in the top 20 global ranking of cyber hackers! Glory, fame and success - it all can be yours! • FOR RETRO FANS •••• Miss retro games style? Don't worry - we got you covered! Throw away your old, dusty console, progress in the game and travel back in time to the 80’s by changing game themes and sounds. • MUSIC PLAYER •••• If you want to relax after the hard work of hacking, sit back and listen to the Cyber Protocol’s Synthwave and 8bit soundtracks before going to the next challenge! •••• •••• •••• •••• •••• •••• •••• •••• CYA IN TOP 20 GLOBAL RANKING, GL&HF CYBER PROTOCOL
Screenshots
Verdict
The clearest difference is review sentiment: Cyber Protocol at 80% against Sudoku Express's 23%. Cyber Protocol also leads on price (Free vs $3.99) and update cadence (every 4 days vs every 6 weeks). Sudoku Express's advantage is rating (4.5 vs 4.2) and ratings volume (84 vs 6). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Cyber Protocol is free to download; Sudoku Express costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Sudoku Express holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Sudoku Express has 84 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 23% of Sudoku Express's written reviews are positive against 80% of Cyber Protocol's, so the app with the better star average is not the one people write more warmly about.
Sudoku Express ships an update every 6 weeks, Cyber Protocol every 4 days. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.
| Parameter | Sudoku Express | Cyber Protocol |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.5 (84 ratings) — better | 4.2 (6 ratings) |
| Positive reviews | 23.1% of reviews | 80.0% of reviews — better |
| Number of ratings | 84 — better | 6 |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 6 MB | 616 MB |
| Age rating | 4+ | 9+ |
| Developer | Pheinex, LLC | RedDeerGames sp. z o.o. |
Customer experience
Sudoku Express
Cyber Protocol
In-app purchases
Sudoku Express
No in-app purchases
Cyber Protocol
No in-app purchases
Questions
Is Sudoku Express free?
Is Cyber Protocol free?
Which has better reviews, Sudoku Express or Cyber Protocol?
Do Sudoku Express or Cyber Protocol have ads?
Which is updated more often, Sudoku Express or Cyber Protocol?
Other comparisons
