# JetFly vs Math Devil

The clearest difference is rating: Math Devil at 5.0 against JetFly's 2.0. Math Devil also leads on in-app purchases (none vs 2). JetFly's advantage is ads (none vs shown) and ratings volume (5 vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. JetFly sells 2 one-off in-app purchases. Math Devil asks for nothing beyond the download.

Math Devil holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: JetFly has 5 ratings behind it against 1, so its average is the more settled of the two.

JetFly ships an update every 2 months, Math Devil daily. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | JetFly | Math Devil |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (5 ratings)](https://appshunter.io/ios/app/jetfly-space-quick-jump-hero/id1145277782/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-devil-a-troll-level-game/id6742674755/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 176 MB | 134 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Mascoteers](https://appshunter.io/developer/1162001300) | [友洲 陈](https://appshunter.io/developer/1037704522) |

## What reviewers say

### JetFly

[App page](https://appshunter.io/ios/app/jetfly-space-quick-jump-hero/id1145277782)

Tap and hold to activate your jetpack and blast upwards, releasing at the right moment to land on platforms. Progress through increasingly challenging levels with falling platforms and collect rubies to purchase in-game items. Compete with friends and climb the leaderboards.

**Highlights:** Tap and hold jetpack controls, Precise platform landings, Increasingly challenging levels, Falling platforms, Collect rubies for in-game items, Leaderboard competition, Detailed backgrounds and landscapes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertisements | $0.99 | one-time |
| 1000 Rubies | $0.99 | one-time |


### Math Devil

[App page](https://appshunter.io/ios/app/math-devil-a-troll-level-game/id6742674755)

A challenging 2D platformer that combines difficult levels with math-based puzzles. Navigate traps and solve problems involving various mathematical concepts to progress. It offers a unique test of both reflexes and intellect.

**Highlights:** Challenging 2D platformer gameplay, Math puzzle integration, Multiple difficulty levels, Variety of math concepts covered, Trap-filled environments

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

**In-app purchases:** none


## Frequently asked questions

### Is JetFly free?

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

### Is Math Devil free?

Math Devil is free to download, with no in-app purchases.

### Which has better reviews, JetFly or Math Devil?

Math Devil is rated higher. JetFly averages 2.0 out of 5 from 5 ratings, while Math Devil averages 5.0 from 1 ratings.

### Do JetFly or Math Devil have ads?

Math Devil shows ads; JetFly does not.

### Which is updated more often, JetFly or Math Devil?

JetFly ships an update every 2 months, and Math Devil daily. Most recently, JetFly was updated on October 16, 2026 and Math Devil on October 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.*