# Ο Ξεφτέρης και οι 12 θεοί vs Math Gremlin

The clearest difference is price: Math Gremlin at Free against Ο Ξεφτέρης και οι 12 θεοί's $5.99. Math Gremlin also leads on update cadence (every 2 months vs every 38 months) and ratings volume (4 vs 1). Ο Ξεφτέρης και οι 12 θεοί's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 3). On device support there is nothing between them.

Math Gremlin is free to download; Ο Ξεφτέρης και οι 12 θεοί costs $5.99 up front. Math Gremlin sells 3 one-off in-app purchases. Ο Ξεφτέρης και οι 12 θεοί asks for nothing beyond the download.

Ο Ξεφτέρης και οι 12 θεοί holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Ο Ξεφτέρης και οι 12 θεοί ships an update every 38 months, Math Gremlin every 2 months. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Ο Ξεφτέρης και οι 12 θεοί | Math Gremlin |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/12/id453452430/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/math-gremlin-math-video-game/id6445924683/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 216 MB | 90 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIEM SA](https://appshunter.io/developer/433188957) | [Blue Water Apps, LLC](https://appshunter.io/developer/1541160065) |

## What reviewers say

### Ο Ξεφτέρης και οι 12 θεοί

[App page](https://appshunter.io/ios/app/12/id453452430)

An interactive educational software that takes children on a journey through the palaces of the 12 Olympian gods. Kids learn about mythology and history through engaging stories and fun games.

**Highlights:** Interactive exploration of Olympian palaces, Learn about the 12 gods of Olympus, Engaging stories and historical information, Fun and original educational games, Multimedia educational software

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

**In-app purchases:** none


### Math Gremlin

[App page](https://appshunter.io/ios/app/math-gremlin-math-video-game/id6445924683)

This game makes learning basic math fun by having players guide a character through challenges to find numbers that add up to a target sum before time expires. Levels increase in difficulty, offering replayability with unique problems each time. In-game currency can be earned or purchased to enhance gameplay.

**Highlights:** Number addition puzzles, Time-based challenges, Progressive difficulty levels, Replayable unique problems, In-game currency for boosts, Character customization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25,000 Coins | $0.99 | one-time |
| 100,000 Coins | $2.99 | one-time |
| 500,000 Coins | $9.99 | one-time |


## Frequently asked questions

### Is Ο Ξεφτέρης και οι 12 θεοί free?

Ο Ξεφτέρης και οι 12 θεοί costs $5.99, with no in-app purchases.

### Is Math Gremlin free?

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

### Which has better reviews, Ο Ξεφτέρης και οι 12 θεοί or Math Gremlin?

Ο Ξεφτέρης και οι 12 θεοί is rated higher. Ο Ξεφτέρης και οι 12 θεοί averages 5.0 out of 5 from 1 ratings, while Math Gremlin averages 3.8 from 4 ratings.

### Do Ο Ξεφτέρης και οι 12 θεοί or Math Gremlin have ads?

Math Gremlin shows ads; Ο Ξεφτέρης και οι 12 θεοί does not.

### Which is updated more often, Ο Ξεφτέρης και οι 12 θεοί or Math Gremlin?

Ο Ξεφτέρης και οι 12 θεοί ships an update every 38 months, and Math Gremlin every 2 months. Most recently, Ο Ξεφτέρης και οι 12 θεοί was updated on October 5, 2026 and Math Gremlin on October 14, 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.*