# Mathonaut vs Feather Spell

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.

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.

## The numbers

| Metric | Mathonaut | Feather Spell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mathonaut/id1673790210/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 151 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hugo Delaunay](https://appshunter.io/developer/1456648264) | [Vladimir Makarov](https://appshunter.io/developer/1608167924) |

## What reviewers say

### Mathonaut

[App page](https://appshunter.io/ios/app/mathonaut/id1673790210)

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.

**Highlights:** Retro 2D platformer gameplay, Solve deadly equations, Space exploration theme, 20 challenging levels, Hardcore mode, Customizable characters and oxygen duration

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock new characters and more | $0.99 | one-time |


### Feather Spell

[App page](https://appshunter.io/ios/app/feather-spell/id6749566927)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small pouch of coins | $2.99 | one-time |
| Medium pouch of coins | $5.99 | one-time |
| Large pouch of coins | $7.99 | one-time |


## Frequently asked questions

### Is Mathonaut free?

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

### Is Feather Spell free?

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

### Do Mathonaut or Feather Spell have ads?

Neither Mathonaut nor Feather Spell shows ads.

### Which is updated more often, Mathonaut or Feather Spell?

Mathonaut ships an update every 3 months, and Feather Spell every 2 months. Most recently, Mathonaut was updated on September 22, 2026 and Feather Spell on October 8, 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.*