Sudoku Rabbit vs PhosphorX
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Rabbit
Enjoy a seamless Sudoku experience with no un-skippable ads and a one-thumb-friendly design. Compete with friends in real-time, tackle daily challenges, and customize your gameplay with endless puzzles and fun options.
- Endless offline puzzles
- Real-time competitive play
- One-thumb controls
- Daily challenges and rankings
- Profile and gameplay customization
- Dark theme and hardcore mode
Read full descriptionHide full description
Sudoku Rabbit is sudoku you can play with one hand. Modern controls let you reach any cell from the bottom half of the screen, so you can solve one-handed, or even with one thumb. Say goodbye to awkwardly stretching across the board, and keep the other hand free for an ice cream cone. Classic controls are still available if you prefer them. Then, turn your daily solve into a real competition. Complete our daily puzzles to see your rank and percentile on the leaderboard the next day. Monthly and yearly seasons add up those percentiles to determine your Sudoku Power. Earn trophies for your rank and cement your place in competitive sudoku history! Four brackets let you compete against players who play the way you do: • Normal: Solve it your way. • Hardcore: Every assist is off. • Blitz: Candidates are already marked. Built for speed. • Masters: Extremely hard. One mistake ends the run. Learn techniques that help you climb the ranks: hidden singles, naked pairs, pointing pairs, box line reduction, X-Wing, Y-Wing, and Swordfish. Hints name the technique and teach you how to apply it, so you can add it to your sudoku arsenal. Additional features: • 250,000 puzzles available offline, so you can play on a plane, a train, or anywhere without a signal. • Share a puzzle seed and see your friends’ live progress as you race to solve them the same puzzle. • Memos update automatically when you place a number, so you never have to stop to erase leftover notes. • Extensive customizable options let you play exactly how you want. • Ask the Great Turtle Sage for a hint when you're stuck, so you can keep solving instead of guessing. • No forced ads, for a smooth, uninterrupted experience. Download today. Sudoku with one hand, and hold your trophies (or ice-cream!) with the other.
PhosphorX
This reflex arcade game challenges players to tap or swipe based on gate color and direction. Score is banked only at gold gates, creating a risk-reward dynamic. Hesitation accelerates the game, leading to a swift end.
- Risk/reward "bank it" scoring
- Tap and swipe controls
- Escalating drift mechanic
- Haptic feedback
- Game Center leaderboards
- Offline play
- Minimalist aesthetic
Read full descriptionHide full description
PHOSPHORX is a reflex arcade game stripped to pure signal — glowing green on black, like a game living inside an oscilloscope. A tracer orbits the ring. Every time it crosses a gate, you answer: • Amber gate — tap • Blue gate — swipe the way the arrow points • Gold gate — rare, and the only thing that banks your score Here's the tension: your points stay UNBANKED until you hit a gold gate. String together a hot run and the pot climbs… but one miss burns it all. Play safe, or push your luck? And you can't just wait around for the easy gate. Go idle and the tracer accelerates — ×1.5, then ×2.5, the edges pulsing amber to red in warning. A third idle lap and it's over. Hesitation is its own enemy. No timers to buy. No energy meters. No ads breaking the flow. Just you, the ring, and the next gate. FEATURES • One-more-run scoring with a risk/reward "bank it" hook • Tap and swipe controls that stay readable even at full speed • An escalating drift mechanic that punishes idling • Crisp haptic feedback on every hit and miss • Game Center leaderboards — climb past your friends • Detailed stats to track your personal bests • Built-in how-to-play • Plays fully offline — no account, no wifi, no servers • A clean phosphor-green aesthetic with zero clutter Simple to learn. Brutal to master. How long can you hold the signal?
Screenshots
Verdict
The clearest difference is in-app purchases: PhosphorX at none against Sudoku Rabbit's 1. PhosphorX also leads on ads (none vs shown) and review sentiment (100% vs 68%). Sudoku Rabbit's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (39 vs 2). On price, rating and device support 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. Sudoku Rabbit sells 1 one-off in-app purchase. PhosphorX asks for nothing beyond the download.
PhosphorX holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Sudoku Rabbit has 39 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of Sudoku Rabbit's written reviews are positive against 100% of PhosphorX's.
Sudoku Rabbit ships an update fortnightly, PhosphorX every 2 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Sudoku Rabbit | PhosphorX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (39 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 68.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 39 — better | 2 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 14.0 — better |
| Further details — not scored | ||
| Size | 81 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhun Wah Edward Lui | Dillon Blake |
Customer experience
Sudoku Rabbit
PhosphorX
In-app purchases
Sudoku Rabbit
- Remove Ads$7.99
PhosphorX
No in-app purchases









