# Math Vs Undead vs Osmo Words Explorers

The clearest difference is rating: Math Vs Undead at 4.3 against Osmo Words Explorers's 3.3. Math Vs Undead also leads on review sentiment (48% vs 17%) and iOS requirement (13.0 vs 15.0). Osmo Words Explorers's advantage is ads (none vs shown) and update cadence (every 3 months vs every 6 months). On price, ratings volume, 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 Osmo Words Explorers sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Math Vs Undead holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 148 and 59 respectively. Written reviews point the same way: 48% of Math Vs Undead's written reviews are positive against 17% of Osmo Words Explorers's.

Math Vs Undead ships an update every 6 months, Osmo Words Explorers every 3 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Math Vs Undead | Osmo Words Explorers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (148 ratings)](https://appshunter.io/ios/app/math-vs-undead-math-game/id687283022/reviews)** | [3.3 (59 ratings)](https://appshunter.io/ios/app/osmo-words-explorers/id1433980039/reviews) |
| Number of ratings | **148** | 59 |
| Positive reviews | **48.1% of reviews** | 17.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 133 MB | 261 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Peaksel](https://appshunter.io/developer/618105376) | [Tangible Play](https://appshunter.io/developer/799157444) |

## 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 |


### Osmo Words Explorers

[App page](https://appshunter.io/ios/app/osmo-words-explorers/id1433980039)

This app offers an engaging word-building and spelling adventure for young learners. Kids explore ancient temples, battle monsters, and save artifacts by mastering word constructions and spelling challenges. It's designed to enhance literacy skills and introduce historical facts in a fun, interactive way.

**Highlights:** Word recognition, Spelling practice, Vocabulary building, Critical thinking, Creative problem-solving, Historical facts

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day trial of Words Explorer | Free | one-time |
| Unlock Words Explorers | $9.99 | one-time |


## Frequently asked questions

### Is Math Vs Undead free?

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

### Is Osmo Words Explorers free?

Osmo Words Explorers is free to download, with in-app purchases available.

### Which has better reviews, Math Vs Undead or Osmo Words Explorers?

Math Vs Undead is rated higher. Math Vs Undead averages 4.3 out of 5 from 148 ratings, while Osmo Words Explorers averages 3.3 from 59 ratings.

### Do Math Vs Undead or Osmo Words Explorers have ads?

Math Vs Undead shows ads; Osmo Words Explorers does not.

### Which is updated more often, Math Vs Undead or Osmo Words Explorers?

Math Vs Undead ships an update every 6 months, and Osmo Words Explorers every 3 months. Most recently, Math Vs Undead was updated on November 2, 2026 and Osmo Words Explorers on November 4, 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.*