Flex Sudoku vs Vorax
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Flex Sudoku
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.
- 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
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Challenge yourself by playing more complex version of sudoku. You can try the classic 9x9, or more complex 16x16 or 25x25. You can even try 4x4 version for fun. Here is what you can do with the game: 1. Play classic, 16x16, 25x25 or 4x4 size sudoku game. 2. Play by loading thousands of built in games or enter your own game. 3. Choose the degree of difficulty of these games. 4. A sudoku solver is built in and can be used for solving any game you are playing. 5. Enter Notes while solving the game or using mutliple levels of hints to help you with the game. 6. Keep track of number of games played, minimum, maximum and average time to complete the game.
Vorax
Control a sphere in a vibrant micro-world, devouring smaller objects to grow while evading larger predators. Enjoy intuitive controls, multiple game modes, and immersive visuals. Play anytime, anywhere, with no internet connection required.
- Intuitive virtual joystick controls
- Level and Endless game modes
- 4-tier AI system
- Immersive visuals and audio
- Offline play
- Customizable settings
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Vorax is an addictive casual competitive game inspired by the classic eat-or-be-eaten gameplay. In this vibrant micro-world, control your sphere, devour everything smaller to grow, and dodge bigger predators. CORE GAMEPLAY: • Simple & Intuitive — Virtual joystick controls, responsive and precise, zero learning curve • Level Mode — 15 handcrafted levels with increasing difficulty • Endless Mode — Infinite AI opponents, 6 difficulty tiers, test your survival limits • Star Ratings — Earn up to 3 stars per level, chase the perfect run GAME FEATURES: • 4-Tier AI System — From random-walking beginners to coordinated elite hunters that flank and cooperate • Immersive Visuals — Solid-color spheres with dynamic camera zoom, visual impact as you grow • 14 Languages — 中文, English, 日本語, 한국어, Español, Português, Français, Deutsch, Русский, Bahasa Indonesia, ไทย, Tiếng Việt, Türkçe, Italiano • Full Audio — Immersive sound effects for eating, being eaten, winning, and losing • Haptic Feedback — Device vibration support for enhanced control feel • Rich Settings — Joystick sensitivity/position, screen orientation, sound/music toggles, skin system • Fully Offline — No internet required, play anytime anywhere, no personal data collected PERFECT FOR: • Casual players looking for quick fun during spare time • Competitive players chasing high scores • Strategy lovers who enjoy precise positioning
Screenshots
Verdict
The clearest difference is rating: Vorax at 5.0 against Flex Sudoku's 3.1. Flex Sudoku's advantage is ratings volume (8 vs 1). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Vorax holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Flex Sudoku has 8 ratings behind it against 1, so its average is the more settled of the two.
Flex Sudoku ships an update every 2 months, Vorax every 5 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.
| Parameter | Flex Sudoku | Vorax |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 4 MB | 41 MB |
| Age rating | 4+ | 9+ |
| Developer | Jatinder Gogna | Huayou Changxin Shaanxi Information Technology Group Co. LTD |
In-app purchases
Flex Sudoku
No in-app purchases
Vorax
No in-app purchases









