Comparison

Clue.doku vs Caseoku

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

Head to head
About

Clue.doku

Features
Read full description

One crime. One map. Pure logic. Cluedoku blends the spatial puzzle mechanics of Sudoku with classic murder mystery deduction. Study the crime scene, cross-reference alibis, and catch the killer before they get away. HOW IT WORKS: Study the blueprint: Each level is a unique map layout—from mansions and ships to train cars and studios—filled with obstacles and open spaces. Use Sudoku logic: Exactly one suspect per row and column. Once you place someone, cross off their lines. Follow the clues: Read witness statements and cross-reference positions to narrow down the grid. Expose the killer: Use deduction and elimination to correctly position every suspect and reveal the culprit. WHY YOU'LL LOVE IT: Handcrafted cases & diverse settings: Unique murder mysteries in distinct locations, from quick coffee-break puzzles to brain-melting cases. Detective aesthetic: Blueprint-style grids and hand-drawn crime scene assets. No sign-up required: Jump straight into the investigation anonymously. Clean elimination grid: Easily visualize blocked rows and columns to solve puzzles step-by-step. Grab your magnifying glass, study the floor plan, and put your logic to the test. Can you solve every case? Download Cluedoku and start investigating today!

About

Caseoku

Features
Read full description

Read the clues. Find the killer. Caseoku is a daily murder mystery logic puzzle: a sudoku-style grid turned into a crime scene, where every case is solved by pure deduction. Every day, three new cases open: Easy, Medium and Hard. Every detective in the world gets the same mysteries, the same suspects and the same clues. Can you crack all three? HOW TO PLAY Study the crime scene: a grid split into rooms, full of beds, plants, tables, chairs and more. Read the clues: "Anna was the only person in bed", "Blanca was next to a plant and a bed". Rule out squares: cross out every position that breaks a clue. Place every suspect: one person per row and column, just like in sudoku. Unmask the killer: the victim was alone with the murderer. Find out who shared the room. CRIME SCENES TO INVESTIGATE Home, Street, Beach, Forest, Office and Hotel, each with its own objects, room shapes and clue types. New settings arrive with every update. FEATURES 3 new cases every day: Easy (6x6), Medium (7x7) and Hard (8x8). One solution per case: every puzzle can be solved with logic, no guessing needed. Hints when you're stuck, without spoiling the case. Detective notebook: rule out squares, mark candidates and undo any move. Interactive tutorial: learn the rules in a couple of minutes. Available in English, Spanish, French, German, Italian, Dutch and Portuguese. Cloud sync: sign in and keep playing on any device. FOR FANS OF Sudoku, logic grid puzzles, Einstein's riddle, whodunit mysteries, detective games and brain teasers that reward careful thinking. Download Caseoku and solve today's murder mystery!

Screenshots

Clue.doku4 screens
Caseoku4 screens

Verdict

The call

The clearest difference is in-app purchases: Clue.doku at none against Caseoku's 1. Clue.doku also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 weeks). On price 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. Caseoku sells 1 one-off in-app purchase. Clue.doku asks for nothing beyond the download.

UpkeepUpdate frequency

Clue.doku ships an update every 5 days, Caseoku every 2 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 2 level
Clue.doku versus Caseoku: the parameters behind the verdict, then further details
ParameterClue.dokuCaseoku
PriceFreeFree
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size49 MB64 MB
Age rating12+4+
DeveloperGuillermo ArispeDiego Nieto Sanchez

In-app purchases

None

Clue.doku

No in-app purchases

1 purchases

Caseoku

One-time1
  • Remove Ads$2.99

Questions

Is Clue.doku free?
Clue.doku is free to download, with no in-app purchases.
Is Caseoku free?
Caseoku is free to download, with in-app purchases available.
Do Clue.doku or Caseoku have ads?
Caseoku shows ads; Clue.doku does not.
Which is updated more often, Clue.doku or Caseoku?
Clue.doku ships an update every 5 days, and Caseoku every 2 weeks. Most recently, Clue.doku was updated on October 31, 2026 and Caseoku on November 6, 2026.

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