JetFly vs Math Devil
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
JetFly
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.
- 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
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JetFly is the ideal time-killing new game you’ve been looking for! It’s easy to learn with simple controls and fast-paced action that you can pick up and play anywhere. Tap and hold the screen to activate your jetpack and blast up into the air, release at the right moment and if you time it all correctly your land softly on the platform ahead. As you jetpack your way from platform to platform, rack up points and challenge your buddies to do better! As you progress, the platforms will become increasingly unpredictable and in later levels will fall away within seconds of your landing on them. It requires you to jetpack more quickly and accurately to keep the game going. Progress through impressively detailed backgrounds and landscapes as fly your way to the top of the leaderboard, with beach, space and snow scenes that add to the visual aspects of the game. Keep in mind that there are rubies to collect along the way, which can be used to pay various items from the JetFly store to help you get higher scores... With terrific graphics and compelling gameplay, JetFly is keeps all ages entertained for hours on end. Download for free today! NOTE: • This app may require read and write permissions to your storage for score share feature
Math Devil
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.
- Challenging 2D platformer gameplay
- Math puzzle integration
- Multiple difficulty levels
- Variety of math concepts covered
- Trap-filled environments
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Dare you win this HARD MATH levels? -Impossible to pass all levels: 40 normal, 2 nightmare -Simple 2d platform but with math puzzles, not easy to win without thinking -Many traps here, be careful [Levels] Primary School: -Comparison Operators -Addition, Subtraction, Multiplication, Division -Order of Operations -Decimal -Fraction -Negative Number -Variable -Function If your hands and brain are ready, good luck to you!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | JetFly | Math Devil |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 2 months | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 176 MB | 134 MB |
| Age rating | 4+ | 4+ |
| Developer | The Mascoteers | 友洲 陈 |
Customer experience
JetFly
Math Devil
In-app purchases
JetFly
- Remove advertisements$0.99
- 1000 Rubies$0.99
Math Devil
No in-app purchases









