# Dr Evil's Math Challenge Game vs Murder Matrix

The clearest difference is update cadence: Murder Matrix at weekly against Dr Evil's Math Challenge Game's every 91 months. Murder Matrix also leads on monetization model (free vs free with in-app purchases) and ratings volume (33 vs 2). Dr Evil's Math Challenge Game's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dr Evil's Math Challenge Game sells 3 one-off in-app purchases and Murder Matrix sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dr Evil's Math Challenge Game holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Murder Matrix has 33 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 67% of Dr Evil's Math Challenge Game's written reviews are positive against 75% of Murder Matrix's, so the app with the better star average is not the one people write more warmly about.

Dr Evil's Math Challenge Game ships an update every 91 months, Murder Matrix weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dr Evil's Math Challenge Game | Murder Matrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dr-evils-math-challenge-game/id430014867/reviews)** | [4.8 (33 ratings)](https://appshunter.io/ios/app/murder-matrix-logic-puzzles/id6782331697/reviews) |
| Number of ratings | 2 | **33** |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 91 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 322 MB | 15 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Socially Conscious Software LLC](https://appshunter.io/developer/302019503) | [Diogo Alves](https://appshunter.io/developer/6782331699) |

## What reviewers say

### Dr Evil's Math Challenge Game

[App page](https://appshunter.io/ios/app/dr-evils-math-challenge-game/id430014867)

A unique number puzzle game blending Sudoku mechanics with arithmetic challenges. Solve puzzles by making cells in 3x3 houses add up to 10, with added column sum targets in advanced modes. Enjoy a 1970s disco game show theme with a funky soundtrack and a mad-scientist host.

**Highlights:** Arithmetic number puzzles, Sudoku-like house sums, Column sum targets (Gauntlet mode), Daily challenges, Multiple difficulty levels, Disco funk soundtrack, Interactive tutorial

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Medium | $0.99 | one-time |
| Unlock Hard | $0.99 | one-time |
| Unlock Pro | $0.99 | one-time |


### 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, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sci-Fi Pack | $1.99 | one-time |
| Halloween Pack | $1.99 | one-time |
| Summer Pack | $1.99 | one-time |


## Frequently asked questions

### Is Dr Evil's Math Challenge Game free?

Dr Evil's Math Challenge Game is free to download, with in-app purchases available.

### Is Murder Matrix free?

Murder Matrix is free to download, with in-app purchases available.

### Which has better reviews, Dr Evil's Math Challenge Game or Murder Matrix?

Dr Evil's Math Challenge Game is rated higher. Dr Evil's Math Challenge Game averages 5.0 out of 5 from 2 ratings, while Murder Matrix averages 4.8 from 33 ratings.

### Do Dr Evil's Math Challenge Game or Murder Matrix have ads?

Neither Dr Evil's Math Challenge Game nor Murder Matrix shows ads.

### Which is updated more often, Dr Evil's Math Challenge Game or Murder Matrix?

Dr Evil's Math Challenge Game ships an update every 91 months, and Murder Matrix weekly. Most recently, Dr Evil's Math Challenge Game was updated on November 6, 2026 and Murder Matrix on November 5, 2026.

---

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