# Dr Evil's Math Challenge Game vs Pick The Difference

The clearest difference is in-app purchases: Pick The Difference at none against Dr Evil's Math Challenge Game's 3. Pick The Difference also leads on iOS requirement (13.0 vs 18.0). Dr Evil's Math Challenge Game's advantage is ads (none vs shown). On price 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. Pick The Difference asks for nothing beyond the download.

## The numbers

| Metric | Dr Evil's Math Challenge Game | Pick The Difference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pick-the-difference/id6740139235/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 91 months | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 322 MB | 139 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Socially Conscious Software LLC](https://appshunter.io/developer/302019503) | [Green Camel FZE LLC](https://appshunter.io/developer/1736083968) |

## 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 |


### Pick The Difference

[App page](https://appshunter.io/ios/app/pick-the-difference/id6740139235)

Engage in a relaxing puzzle game by comparing two nearly identical images to find subtle distinctions. This easy-to-play experience is ideal for beginners seeking to sharpen their observation skills at their own pace.

**Highlights:** Compare two similar images, Find subtle differences, Circle the discrepancies, Improve observation skills, Relaxing puzzle experience, Beginner-friendly gameplay

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

**In-app purchases:** none


## 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 Pick The Difference free?

Pick The Difference is free to download, with no in-app purchases.

### Do Dr Evil's Math Challenge Game or Pick The Difference have ads?

Pick The Difference shows ads; Dr Evil's Math Challenge Game does not.

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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.*