Clue.doku vs Caseoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Clue.doku
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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!
Caseoku
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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
Verdict
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
Both are free to download. Caseoku sells 1 one-off in-app purchase. Clue.doku asks for nothing beyond the download.
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.
| Parameter | Clue.doku | Caseoku |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 49 MB | 64 MB |
| Age rating | 12+ | 4+ |
| Developer | Guillermo Arispe | Diego Nieto Sanchez |
In-app purchases
Clue.doku
No in-app purchases
Caseoku
- Remove Ads$2.99









