# CrimeKey vs Murder Matrix

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.

Both are free to download. Murder Matrix sells 1 one-off in-app purchase. CrimeKey asks for nothing beyond the download.

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

## The numbers

| Metric | CrimeKey | Murder Matrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (15 ratings)](https://appshunter.io/ios/app/murder-matrix-logic-puzzles/id6782331697/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | — | Free |
| Size | 54 MB | 12 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Eventronic Systems, SL](https://appshunter.io/developer/692703720) | [Diogo Alves](https://appshunter.io/developer/6782331699) |

## What reviewers say

### CrimeKey

[App page](https://appshunter.io/ios/app/crimekey-murder-cases/id6771895876)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Murder Matrix

[App page](https://appshunter.io/ios/app/murder-matrix-logic-puzzles/id6782331697)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Summer Pack | $1.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*