Comparison

CrimeKey vs Murder Matrix

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

Head to head
About

CrimeKey

Features
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CrimeKey: Murder Logic is a detective puzzle game about solving murder cases through observation, clues and deduction. Each case gives you a small mystery: three suspects, three possible weapons and three places where the crime may have happened. Your job is to read the evidence carefully, compare the details and work out the only combination that truly fits. There are no timers, no action sequences and no guessing. CrimeKey is a calm logic game where every mark on the grid brings you closer to the truth. Use the deduction board to organize your investigation. Cross out options that cannot be true, confirm the ones that make sense, and connect suspects, weapons and locations step by step. A stain, a smell, a trace of dust or a small contradiction may be the detail that opens the whole case. Every mystery is designed to be solved by reasoning. Some clues seem simple at first, but only reveal their meaning when combined with others. The solution is always there; you just have to follow the evidence. CrimeKey is ideal for players who enjoy classic detective stories, murder mystery games, logic puzzles and quiet challenges that reward attention. Open the case. Study the clues. Find the key to the crime.

About

Murder Matrix

Engage in daily murder mystery logic puzzles where you deduce the killer using clues and a grid. It's a brain-teasing challenge perfect for fans of detective stories and logic games.

Highlights
  • Daily murder mystery logic puzzles
  • Grid-based clue deduction
  • No guessing required
  • Adjustable difficulty levels
  • No ads or timers
  • Verify and undo tools
Features
Read full description

Find the Killer. Solve the Case. Welcome to Murder Matrix, the best new way to play murder mystery logic puzzles. If you like board games like Clue or Cluedo, or if you enjoy Sudoku, you will love this brain-teasing challenge. Can you use simple logic to find out who the killer is? HOW TO PLAY: A crime has happened in a sealed house. You get a grid and a list of clues. Your job is to figure out where every suspect was standing. - Use clues like "The Butler was next to the Bookshelf." - Cross off the people who couldn't be there. - The last person left in the room with the victim is the killer! WHY YOU'LL LOVE IT: - New Puzzles Every Day: Get a fresh murder mystery logic puzzle every single morning. Keep your winning streak going! - No Guessing Needed: Every puzzle has one right answer. You just need to use your brain to find it. - Easy to Hard: Whether you want a quick 5-minute game or a 20-minute challenge, we have the right level for you. - No Ads, No Timers: Play at your own pace without annoying interruptions. Just pure, relaxing puzzle fun. - Cool Tools: Use the "Verify" button to check your work and the "Undo" button if you make a mistake. PERFECT FOR: If you like Einstein Riddles, zebra puzzles, or just a good detective story, Murder Matrix is for you. It's a great way to keep your mind sharp and feel like a real detective. Inspired by the work of Manuel Garand. Download Murder Matrix now and solve your first case today!

Screenshots

CrimeKey4 screens
Murder Matrix4 screens

Verdict

The call

The clearest difference is in-app purchases: CrimeKey at none against Murder Matrix's 1. CrimeKey also leads on iOS requirement (12.0 vs 15.0). Murder Matrix's advantage is ads (none vs shown). On price, update cadence 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. Murder Matrix sells 1 one-off in-app purchase. CrimeKey asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 7 level
CrimeKey versus Murder Matrix: the parameters behind the verdict, then further details
ParameterCrimeKeyMurder Matrix
PriceFreeFree
Rating—5.0 (15 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—15 — better
Update frequencyEvery 5 daysEvery 5 days
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size54 MB12 MB
Age rating9+9+
DeveloperEventronic Systems, SLDiogo Alves

In-app purchases

None

CrimeKey

No in-app purchases

1 purchases

Murder Matrix

One-time1
  • Summer Pack$1.99

Questions

Is CrimeKey free?
CrimeKey is free to download, with no in-app purchases.
Is Murder Matrix free?
Murder Matrix is free to download, with in-app purchases available.
Do CrimeKey or Murder Matrix have ads?
CrimeKey shows ads; Murder Matrix does not.
Which is updated more often, CrimeKey or Murder Matrix?
CrimeKey ships an update every 5 days, and Murder Matrix every 5 days. Most recently, CrimeKey was updated on September 20, 2026 and Murder Matrix on September 13, 2026.

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