Comparison

Sudoku Rabbit vs PhosphorX

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Endless offline puzzles
  • Real-time competitive play
  • One-thumb controls
  • Daily challenges and rankings
  • Profile and gameplay customization
  • Dark theme and hardcore mode
Features
Read 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.

About

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.

Highlights
  • Risk/reward "bank it" scoring
  • Tap and swipe controls
  • Escalating drift mechanic
  • Haptic feedback
  • Game Center leaderboards
  • Offline play
  • Minimalist aesthetic
Features
Read 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

Sudoku Rabbit4 screens
PhosphorX4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sudoku Rabbit sells 1 one-off in-app purchase. PhosphorX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Sudoku Rabbit ships an update fortnightly, PhosphorX every 2 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 3 level
Sudoku Rabbit versus PhosphorX: the parameters behind the verdict, then further details
ParameterSudoku RabbitPhosphorX
PriceFreeFree
Rating4.8 (39 ratings)5.0 (2 ratings) — better
Positive reviews68.4% of reviews100.0% of reviews — better
Number of ratings39 — better2
Update frequencyFortnightly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.414.0 — better
Further details — not scored
Size81 MB3 MB
Age rating4+4+
DeveloperZhun Wah Edward LuiDillon Blake

Customer experience

Sudoku Rabbit

All ratings36 ratings
Positive97.2%
Neutral0.0%
Negative2.8%
Written reviews19 reviews
Positive68.4%
Neutral10.5%
Negative21.1%

PhosphorX

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Sudoku Rabbit

One-time1
  • Remove Ads$7.99
None

PhosphorX

No in-app purchases

Questions

Is Sudoku Rabbit free?
Sudoku Rabbit is free to download, with in-app purchases available.
Is PhosphorX free?
PhosphorX is free to download, with no in-app purchases.
Which has better reviews, Sudoku Rabbit or PhosphorX?
PhosphorX is rated higher. Sudoku Rabbit averages 4.8 out of 5 from 39 ratings, while PhosphorX averages 5.0 from 2 ratings.
Do Sudoku Rabbit or PhosphorX have ads?
Sudoku Rabbit shows ads; PhosphorX does not.
Which is updated more often, Sudoku Rabbit or PhosphorX?
Sudoku Rabbit ships an update fortnightly, and PhosphorX every 2 months. Most recently, Sudoku Rabbit was updated on November 4, 2026 and PhosphorX on October 31, 2026.

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