Plus & Minus vs Clue.doku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Plus & Minus
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Plus & Minus brings the classic number-guessing concept into a modern competitive battle of minds. There’s no luck here — only logic, strategy, and your ability to read your opponent. Choose your number. Try to decode your rival’s number. Every guess is a move. Every clue brings you closer to victory. Each digit tells a story. Is it in the correct place? Is it misplaced? Or is it completely wrong? Analyze the hints. Narrow down the possibilities. Outsmart your rival. Why Plus & Minus? - Real-time mind battles - Pure strategy-based gameplay - No randomness, only logic - Unique matches every time - Quick yet intense game sessions Easy to learn. Challenging to master. Can you crack your rival before they crack you? Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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!
Screenshots
Verdict
The clearest difference is in-app purchases: Clue.doku at none against Plus & Minus's 5. 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
Both are free to download. Plus & Minus sells 5 in-app purchases, starting at $4.99 per month. Clue.doku asks for nothing beyond the download.
Plus & Minus ships an update weekly, Clue.doku every 5 days. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.
| Parameter | Plus & Minus | Clue.doku |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 44 MB | 49 MB |
| Age rating | 4+ | 12+ |
| Developer | Ali Osman Kepir | Guillermo Arispe |
In-app purchases
Plus & Minus
- Monthly$4.991 Month
- Refill Lives$0.99
- Flag$0.99
- Avatar$1.99
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- Frame$1.99
Clue.doku
No in-app purchases









