Comparison

colourDoku vs Focus Circles

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

Head to head
About

colourDoku

Features
Read full description

colorDoku — Colorful & Calm Sudoku Logic Puzzle A relaxing, ad-free, offline logic puzzle designed for focus, clarity, and flow. colorDoku is a fresh, modern take on classic sudoku. Instead of numbers, you solve puzzles using colors — a simple twist that makes each board more intuitive, satisfying, and visually relaxing. With a minimalist design, smooth animations, and a calm atmosphere, colorDoku helps you slow down, focus, and enjoy pure logic without distractions. Play offline, with no ads, no timers (unless you want them), and no interruptions. Just you and the puzzle. Why you’ll love colorDoku • Colorful sudoku – a unique color-based twist that activates pattern recognition and visual memory. • Offline and ad-free – play anywhere, even with low or no internet. • Calming, minimalist design – soft visuals that support a relaxed mindset. • Multiple difficulty levels – from easy and soothing to challenging and advanced. • Daily Puzzle – build a mindful routine with a new challenge every day. • Zen / Calm / Relax modes – perfect for stress-free, pressure-free gameplay. • Smart hint system – helps guide your logic without giving away answers. • Detailed statistics – track progress, streaks, best times, and improvements. • Privacy-friendly – no tracking, no data collection, no hidden tricks. colorDoku offers a peaceful space to think clearly and enjoy steady, mindful gameplay. Whether you're looking to relax after work, train your brain, or unwind before sleep, this game adapts to your pace. Features • Over 4000 hand-selected sudoku boards • Multiple modes: Zen, Sensei, Ninja, Samurai, Master, Daily • Undo, erase, and gentle logical checking • Beautiful color palettes to choose from • Smooth “color peel” animations and segment-completion effects • No ads, no energy limits, no distractions • Fully offline — ideal for travel and low-signal places • Clean, quiet, minimalist interface • Tracks best times, streaks, and achievements • Great for short breaks or long sessions • Excellent for training focus, logic, and memory What players say • “The most relaxing sudoku I’ve ever played.” • “Finally, a sudoku with no ads!” • “The colors make it surprisingly calming.” • “I play the Daily challenge every morning.” colorDoku is perfect for anyone who enjoys logic puzzles, relaxing challenges, brain-training games, or quiet moments during the day. It brings balance, focus, and a touch of color into your routine. Download colorDoku and discover a peaceful new way to play sudoku.

About

Focus Circles

This game challenges your focus and speed with quick visual counting puzzles. Count circles by size, color, and type against the clock across over 100 levels. Test your accuracy and reaction time in a minimalist design.

Highlights
  • Count circles by size, color, and type
  • Solve quick visual counting challenges
  • Race against the clock
  • Test accuracy under pressure
  • 100+ challenging levels
  • Offline play
Features
Read full description

Can you count fast enough? Focus Circles is a fast visual counting puzzle that challenges your focus, perception, speed, and accuracy. Look carefully and count the circles while the timer is running. When time runs out, enter your answer. One mistake can end the level. COUNT FAST. STAY FOCUSED. • Count circles by size, color, and type • Solve quick visual counting challenges • Race against the clock • Test your accuracy under pressure • React quickly as the difficulty increases • Build your best score across 100+ levels A SIMPLE IDEA. A REAL CHALLENGE. The rules are simple: look, count, answer. But as the levels progress, there are more things to notice and less time to count. Your eyes need to scan the screen quickly while your brain keeps track of what you see. GREAT FOR • Quick puzzle sessions on a break • A short warm-up before work or study • Anyone who loves minimalist puzzle games PLAY FOR A FEW SECONDS OR KEEP GOING Each level is short, so Focus Circles is easy to pick up whenever you have a spare moment. No complicated rules. No internet required. Just a clean, calm minimalist puzzle focused on one thing: how fast and accurately can you count? Can you beat your best score? KEY FEATURES — 100+ challenging levels — Increasing difficulty — Timed counting challenges — Size, color, and type recognition — High score tracking — Clean, calm minimalist design — Offline play Download Focus Circles and see how fast you can count.

Screenshots

colourDoku4 screens
Focus Circles4 screens

Verdict

The call

The clearest difference is in-app purchases: Focus Circles at none against colourDoku's 4. colourDoku's advantage is ads (none vs shown). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. colourDoku sells 4 one-off in-app purchases. Focus Circles asks for nothing beyond the download.

Scorecard2 real differences · 7 level
colourDoku versus Focus Circles: the parameters behind the verdict, then further details
ParametercolourDokuFocus Circles
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 9 days
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.6 — better
Further details — not scored
Size112 MB98 MB
Age rating4+4+
DeveloperKlaudia PrelowskaKatsiaryna Petruchenya

In-app purchases

4 purchases

colourDoku

One-time4
  • 10 hints pack$0.99
  • 30 hints pack$1.99
  • 100 hints pack$3.99
Show 1 more
  • colorDoku Premium$6.99
None

Focus Circles

No in-app purchases

Questions

Is colourDoku free?
colourDoku is free to download, with in-app purchases available.
Is Focus Circles free?
Focus Circles is free to download, with no in-app purchases.
Do colourDoku or Focus Circles have ads?
Focus Circles shows ads; colourDoku does not.

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