# Math Vs Undead vs Math Door

The clearest difference is ads: Math Door at none against Math Vs Undead's shown. Math Door also leads on update cadence (every 3 days vs every 6 months). Math Vs Undead's advantage is ratings volume (148 vs 9). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Math Vs Undead sells 1 one-off in-app purchase and Math Door sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.3 for Math Vs Undead against 4.3 for Math Door. That said, the two scores are not equally well evidenced: Math Vs Undead has 148 ratings behind it against 9, so its average is the more settled of the two.

Math Vs Undead ships an update every 6 months, Math Door every 3 days. The most recent releases landed on October 2, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Math Vs Undead | Math Door |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (148 ratings)](https://appshunter.io/ios/app/math-vs-undead-math-game/id687283022/reviews) | [4.3 (9 ratings)](https://appshunter.io/ios/app/math-door-fun-math-game/id1533408875/reviews) |
| Number of ratings | **148** | 9 |
| Positive reviews | 48.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 133 MB | 46 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Peaksel](https://appshunter.io/developer/618105376) | [Doze Chatwaranon](https://appshunter.io/developer/1435041683) |

## What reviewers say

### Math Vs Undead

[App page](https://appshunter.io/ios/app/math-vs-undead-math-game/id687283022)

Engage in a thrilling math-based zombie shooter where solving arithmetic problems is your weapon. This game combines educational challenges with fun graphics to boost calculation speed and cognitive skills for all ages.

**Highlights:** Zombie shooter gameplay, Basic math operations (addition, subtraction, multiplication, division), 30 challenging levels, Improves calculation speed, Enhances cognitive functions, Eye-catching graphics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all levels | $4.99 | one-time |


### Math Door

[App page](https://appshunter.io/ios/app/math-door-fun-math-game/id1533408875)

Engage in a fun math adventure to help a lost friend by solving addition, subtraction, multiplication, and division problems. Navigate through various levels and missions, unlocking doors with your math skills to complete challenges and improve your arithmetic abilities.

**Highlights:** Math missions and levels, Addition, subtraction, multiplication, division, Unlock doors with math skills, Improve math skills, Ranking system, Free to play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $0.99 | one-time |


## Frequently asked questions

### Is Math Vs Undead free?

Math Vs Undead is free to download, with in-app purchases available.

### Is Math Door free?

Math Door is free to download, with in-app purchases available.

### Which has better reviews, Math Vs Undead or Math Door?

Math Vs Undead and Math Door are both rated 4.3 out of 5 on the App Store, from 148 and 9 ratings respectively.

### Do Math Vs Undead or Math Door have ads?

Math Vs Undead shows ads; Math Door does not.

### Which is updated more often, Math Vs Undead or Math Door?

Math Vs Undead ships an update every 6 months, and Math Door every 3 days. Most recently, Math Vs Undead was updated on October 2, 2026 and Math Door 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.*