# Dr Evil's Math Challenge Game vs Nothing

The clearest difference is update cadence: Nothing at every 3 weeks against Dr Evil's Math Challenge Game's every 91 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Dr Evil's Math Challenge Game sells 3 one-off in-app purchases and Nothing sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Dr Evil's Math Challenge Game ships an update every 91 months, Nothing every 3 weeks. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Dr Evil's Math Challenge Game | Nothing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nothing/id6755302096/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 91 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 322 MB | 77 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Socially Conscious Software LLC](https://appshunter.io/developer/302019503) | [Nothing AG](https://appshunter.io/developer/305980918) |

## 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 |


### Nothing

[App page](https://appshunter.io/ios/app/nothing/id6755302096)

A sci-fi puzzle game where a single swipe moves the entire board. Blocks slide, fall with changing gravity, and disappear in matches, but the rules evolve. Each level is a unique challenge to understand and exploit the mechanics.

**Highlights:** Single swipe board movement, Shifting gravity mechanics, Colliding with devices, Pattern recognition challenges, Evolving game rules, Level-based experiments

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Levels | $0.99 | 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 Nothing free?

Nothing is free to download, with in-app purchases available.

### Do Dr Evil's Math Challenge Game or Nothing have ads?

Neither Dr Evil's Math Challenge Game nor Nothing shows ads.

### Which is updated more often, Dr Evil's Math Challenge Game or Nothing?

Dr Evil's Math Challenge Game ships an update every 91 months, and Nothing every 3 weeks. Most recently, Dr Evil's Math Challenge Game was updated on October 5, 2026 and Nothing on October 3, 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.*