# MathMe.io vs Fourier App

The clearest difference is in-app purchases: Fourier App at none against MathMe.io's 2. Fourier App also leads on iOS requirement (13.0 vs 15.0). MathMe.io's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. MathMe.io sells 2 one-off in-app purchases. Fourier App asks for nothing beyond the download.

MathMe.io ships an update every 5 weeks, Fourier App every 3 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MathMe.io | Fourier App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 40 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Dmitrii Raev](https://appshunter.io/developer/1455371959) | [Sthefano Schiavon](https://appshunter.io/developer/1882733645) |

## What reviewers say

### MathMe.io

[App page](https://appshunter.io/ios/app/mathmeio/id1455371960)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support | $0.99 | one-time |
| Premium Membership | $9.99 | one-time |


### Fourier App

[App page](https://appshunter.io/ios/app/fourier-app/id6760314201)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathMe.io free?

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

### Is Fourier App free?

Fourier App is free to download, with no in-app purchases.

### Do MathMe.io or Fourier App have ads?

Both MathMe.io and Fourier App show ads.

### Which is updated more often, MathMe.io or Fourier App?

MathMe.io ships an update every 5 weeks, and Fourier App every 3 months. Most recently, MathMe.io was updated on October 13, 2026 and Fourier App on October 7, 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.*