Axis Sudoku vs Sudoku Haven

Axis Sudoku: Focus on the Game Axis Sudoku was built for players who appreciate a calm and minimalist design. We’ve removed the common mobile distractions to give you a premium environment where the only thing that matters is the puzzle. • An Uninterrupted Experience No video ads, no banners, and no pop-ups to break your concentration. Ever. • Logic-First Learning Don't just find the next number—understand why. Our advanced hint system identifies complex strategies like X-Wings, Swordfish, and Skyscrapers, teaching you the logic behind every move. • Share Your Breakthroughs Stuck on a tough puzzle? Generate a professional, high-resolution image of your board with a single tap. Perfect for sharing your progress or asking for advice in the community. • Offline Play Perfect for travel. No internet connection, account sign-in, or passwords required. • Privacy First We don’t track your moves, your location, or your data. • One-Time Unlock, No Recurring Fees A puzzle game should be a simple pleasure, not a monthly subscription. Enjoy a 10-game trial to explore the interface. If you love it, a single unlock provides permanent access to the full experience. • Your Journey, Your Way Track your growth with detailed statistics and winning streaks. Refined settings allow you to configure themes, timers, logic highlighting, and more to suit your playstyle. • Multiple Levels Challenges ranging from Easy to the grueling "Genius" level. Every puzzle is guaranteed to have a unique solution and is solvable using pure logic. Axis Sudoku is designed to be the only Sudoku app you need.

Sudoku Haven is a calmer way to play Sudoku — 450,000+ hand-graded puzzles, a daily challenge, and 20 quiet themes, free and offline. It's a quiet place for your mind on iPhone and iPad, too: soft light, unhurried numbers, and room to breathe between moves. Every puzzle is hand-graded across five difficulties, from gentle Beginner grids to genuinely challenging Extreme. Play a fresh Daily Challenge every day, return to any puzzle in the archive, or generate endless random puzzles whenever you like. Everything is built to keep you in flow: • Smart hints that nudge you forward instead of handing you the answer • Notes, auto-candidates, and gentle highlighting that make tough puzzles approachable • Built-in trainers that teach real solving techniques — hidden singles, naked pairs, X-Wing, and more • 20 hand-tuned themes, light and dark — make the board truly yours • Stats, streaks, and stars that quietly track your progress • A relaxing brain workout you can play offline, with soothing music and soft sound No clutter, no pressure — just you and the next square. Sudoku Haven goes everywhere you do. Glance at the daily puzzle and your streak on your Apple Watch, and challenge a friend to a board right inside iMessage. Compare solve times on Game Center leaderboards, earn achievements, and keep everything in sync across iPhone and iPad with iCloud. A friendly head-to-head multiplayer mode is in mind, too — and the more players who find the Haven, the sooner it arrives. Free to play, with one optional purchase that removes ads and opens up everything. Find your calm and start solving.