Mathonaut vs Feather Spell
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mathonaut
Embark on a retro 2D platformer adventure where math meets space exploration. Solve equations to navigate treacherous caverns, manage oxygen, and uncover the secrets of a mysterious planet. Choose from unique characters and customize your challenge.
- Retro 2D platformer gameplay
- Solve deadly equations
- Space exploration theme
- 20 challenging levels
- Hardcore mode
- Customizable characters and oxygen duration
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A RETRO 2D-PLATFORMER IN WHICH MATH MEETS SPACE Embark on a space adventure as an astronaut exploring the mysterious planet, Planeq. Navigate treacherous caverns filled with deadly equations, where every step could be your last. But don't worry, you're equipped with the latest oxygen tech and a brainpower to match ! Think fast and pick the right numbers to stay alive, because oxygen is scarce and time is running out. With each correct equation, you'll uncover the secrets of this world and bring yourself one step closer to salvation. But beware, one false move could leave you gasping for air. So, will you have the wit and the will to find your way through this strange planet and escape with your life ? FEATURES • 20 LEVELS - 20 challenging levels filled with deadly equations. • RETRO AMBIANCE - Old-school visuals and sound effects. • FUN AND CHALLENGING - Designed to be hard, fast, but fun. • HARDOCRE MODE - For the most daring players. • CUSTOMIZABLE PARTIES - Unique playable characters to choose from and configurable oxygen duration for an extra challenge. LINKS • Website : https://mathonaut.skyost.eu/en/. • Suggestions & bug reports : https://mathonaut.skyost.eu/en/contact/. If you have enjoyed this app, feel free to leave a rating on the App Store page of this application.
Feather Spell
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Feathered Spell is a captivating action-adventure game that combines fast-paced gameplay with clever strategy. Step into the webbed feet of a courageous, spell-wielding duck on a magical quest through perilous and imaginative levels. With each step, you’ll encounter formidable enemies, dazzling treasures, and mystical potions that hold the key to your success. Your journey isn’t just about quick reflexes—it’s about wit and resourcefulness. Collect shimmering coins to unlock rewards and discover potent potions hidden throughout each stage. These magical elixirs aren’t just for show; they’re your secret weapon against enemies. Slow down the swift, ground the soaring, cripple their leaps, or vanquish them outright—each potion offers a unique way to level the playing field. But don’t expect an easy glide to victory. Each level is a carefully crafted puzzle of challenges and opportunities. To triumph, you must think ahead, master your potions, and outsmart adversaries while navigating treacherous terrains. The combination of sharp strategy and magical mayhem ensures that no two levels feel the same.
Screenshots
Verdict
The clearest difference is device support: Mathonaut at 4 against Feather Spell's 2. Mathonaut also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, ads and in-app purchases 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. Mathonaut sells 1 one-off in-app purchase and Feather Spell sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Mathonaut ships an update every 3 months, Feather Spell every 2 months. The most recent releases landed on September 22, 2026 and October 8, 2026 respectively.
| Parameter | Mathonaut | Feather Spell |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 46 MB | 151 MB |
| Age rating | 4+ | 4+ |
| Developer | Hugo Delaunay | Vladimir Makarov |
In-app purchases
Mathonaut
- Unlock new characters and more$0.99
Feather Spell
- Small pouch of coins$2.99
- Medium pouch of coins$5.99
- Large pouch of coins$7.99









