Comparison

Lambdoku vs Sproutdoku

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

Head to head
About

Lambdoku

A cozy logic puzzle game where you place adorable sheep on a grid, following simple rules to solve each brain teaser. Enjoy a warm art style and satisfying gameplay perfect for quick breaks or winding down.

Highlights
  • Logic puzzle gameplay
  • Sheep placement on a grid
  • Daily puzzles
  • Endless survival mode
  • Collectible sheep skins
  • Game Center leaderboards
Features
Read full description

Here is the updated English text with "SheepDoku" replaced by "Lambdoku": Every row, every column, and every region! Lambdoku is a cozy logic puzzle game where you place adorable sheep on a colorful grid. Every puzzle follows three simple rules: each color has one sheep, each row and column has one sheep, and no two sheep can touch — not even diagonally! Clear impossible cells step by step, trust pure logic over guessing, and feel the satisfying click when the entire board finally comes together. Why You'll Love Lambdoku • Play anytime, anywhere — perfect for coffee breaks or winding down • Simple tap controls that feel natural from the first puzzle • Fast, addictive, and deeply satisfying gameplay • A warm, cozy art style with the cutest sheep you've ever seen What's Inside • Main Levels that start simple and grow into satisfying brain teasers • Daily Shepherd — the same puzzle worldwide, every day. Can you be the fastest? • Survival Mode for endless practice with no pressure • Golden Fleece rewards, helpful hints, and collectible sheep skins • Game Center leaderboards and progress sync across all your devices Want More? Unlock Lambdoku Pro • Remove all ads for a distraction-free experience • Unlock every main level instantly • Earn bigger rewards with every solve • Smart Auto-Mark to speed up your logic • Bonus hints when you need a little help Download Lambdoku free and start your puzzle journey today!

About

Sproutdoku

A logic puzzle game where you plant sprouts in a grid following specific rules. It offers a growing garden of levels, helpful tools, and a global leaderboard. Enjoy a relaxing yet challenging brain-training experience.

Highlights
  • Grid logic puzzles
  • Sprout planting mechanics
  • 100 hand-tuned levels
  • Interactive tutorial
  • Timed challenges
  • Hint and sprout tools
  • Offline play
Features
Read full description

Meet Sproutdoku — a fresh take on grid logic puzzles. Plant a sprout in every row, every column and every color patch. Simple to learn in seconds, surprisingly deep to master. THREE SIMPLE RULES • One sprout per row and column • One sprout per color patch • Sprouts can never touch — not even diagonally Every level has exactly one solution, and you can always find it with pure logic. Mark impossible cells with an X, drag to mark whole lines, and take back marks freely with unlimited undo. But choose carefully where you plant: three wrong sprouts and the level is lost! A GARDEN THAT GROWS WITH YOU • 100 hand-tuned levels, from cozy 4×4 beds to sprawling 9×9 gardens • A gentle interactive tutorial teaches you everything in one minute • Difficulty peaks: special HARD and SUPER HARD levels mark your climb • Timed challenges appear as your skills bloom — beat the clock for bonus points, or extend time when a puzzle gets thorny HELPFUL GARDEN TOOLS • Hint: highlights cells the rules already rule out — the logic stays yours • Sprout: plants one correct sprout when you are truly stuck • Unlimited undo for your pencil marks, always free MORE TO LOVE • An adorable sprout buddy cheers you on • Climb the global leaderboard • Your progress is saved automatically — no account, no sign-up • Play offline, anywhere • Colorful, hand-crafted design that is easy on the eyes Fans of sudoku, Queens-style puzzles, star battle and binary logic grids will feel right at home — and anyone can pick it up in seconds. Sproutdoku is free to play. It contains ads and optional in-app purchases, including a one-time option to remove interstitial ads. Ready to grow your brain?

Screenshots

Lambdoku3 screens
Sproutdoku4 screens

Verdict

The call

The clearest difference is rating: Sproutdoku at 4.8 against Lambdoku's 3.0. Sproutdoku also leads on ratings volume (34 vs 2). Lambdoku's advantage is in-app purchases (none vs 7). On price, update cadence, ads 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. Sproutdoku sells 7 one-off in-app purchases. Lambdoku asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sproutdoku holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Sproutdoku has 34 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Lambdoku ships an update every 8 days, Sproutdoku every 11 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 5 level
Lambdoku versus Sproutdoku: the parameters behind the verdict, then further details
ParameterLambdokuSproutdoku
PriceFreeFree
Rating3.0 (2 ratings)4.8 (34 ratings) — better
Number of ratings234 — better
Update frequencyEvery 8 days — betterEvery 11 days
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size136 MB226 MB
Age rating4+4+
DeveloperBeijing Lebosky Technology Co., LtdPlayScout

Customer experience

Lambdoku

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Sproutdoku

All ratings34 ratings
Positive94.1%
Neutral2.9%
Negative2.9%

In-app purchases

None

Lambdoku

No in-app purchases

7 purchases

Sproutdoku

One-time7
  • Handful of Coins$1.99
  • Remove Ads$7.99
  • Sack of Coins$7.99
Show 4 more
  • Chest of Coins$14.99
  • Vault of Coins$29.99
  • Hoard of Coins$54.99
  • Treasure of Coins$99.99

Questions

Is Lambdoku free?
Lambdoku is free to download, with no in-app purchases.
Is Sproutdoku free?
Sproutdoku is free to download, with in-app purchases available.
Which has better reviews, Lambdoku or Sproutdoku?
Sproutdoku is rated higher. Lambdoku averages 3.0 out of 5 from 2 ratings, while Sproutdoku averages 4.8 from 34 ratings.
Do Lambdoku or Sproutdoku have ads?
Both Lambdoku and Sproutdoku show ads.
Which is updated more often, Lambdoku or Sproutdoku?
Lambdoku ships an update every 8 days, and Sproutdoku every 11 days. Most recently, Lambdoku was updated on November 5, 2026 and Sproutdoku on November 6, 2026.

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