# iformula vs phyfunk

The clearest difference is update cadence: phyfunk at fortnightly against iformula's every 2 months. phyfunk also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

iformula ships an update every 2 months, phyfunk fortnightly. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iformula | phyfunk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/iformula/id325337275/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 59 MB | 22 MB |
| Requires iOS | 17.6 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Werner](https://appshunter.io/developer/325337278) | [Stephan Engelhard](https://appshunter.io/developer/1542199587) |

## What reviewers say

### iformula

[App page](https://appshunter.io/ios/app/iformula/id325337275)

This app is a comprehensive math learning platform for students and professionals. It offers a vast library of over 1000 math equations and topics, along with features like search, note-taking, and bookmarking. It aims to eliminate the need for physical math textbooks.

**Highlights:** 1000+ math equations and topics, Full-featured search functionality, Note-taking system, Bookmarking for favorite equations, Dual language support (English & German), Dark mode support

**Features:** macOS Compatibility

**In-app purchases:** none


### phyfunk

[App page](https://appshunter.io/ios/app/phyfunk/id6504498083)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iformula free?

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

### Is phyfunk free?

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

### Do iformula or phyfunk have ads?

Neither iformula nor phyfunk shows ads.

### Which is updated more often, iformula or phyfunk?

iformula ships an update every 2 months, and phyfunk fortnightly. Most recently, iformula was updated on September 22, 2026 and phyfunk 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.*