# Fourier App vs Math Morph

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fourier App ships an update every 3 months, Math Morph fortnightly. The most recent releases landed on October 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Fourier App | Math Morph |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 30 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sthefano Schiavon](https://appshunter.io/developer/1882733645) | [Xiyue Deng](https://appshunter.io/developer/6802213968) |

## What reviewers say

### Fourier App

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

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

**In-app purchases:** none


### Math Morph

[App page](https://appshunter.io/ios/app/math-morph/id6802213966)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fourier App free?

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

### Is Math Morph free?

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

### Do Fourier App or Math Morph have ads?

Fourier App shows ads; Math Morph does not.

### Which is updated more often, Fourier App or Math Morph?

Fourier App ships an update every 3 months, and Math Morph fortnightly. Most recently, Fourier App was updated on October 28, 2026 and Math Morph on October 14, 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.*