# Fysikken vs AI Physics Explanation

The clearest difference is ads: Fysikken at none against AI Physics Explanation's shown. Fysikken also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). AI Physics Explanation's advantage is update cadence (every 6 weeks vs every 22 months). On price and in-app purchases there is nothing between them.

Both are free to download. Fysikken sells 1 one-off in-app purchase and AI Physics Explanation sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fysikken ships an update every 22 months, AI Physics Explanation every 6 weeks. The most recent releases landed on September 7, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Fysikken | AI Physics Explanation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/fysikken/id647188755/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 40 MB | 20 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rune Johannes Overgaard Hoejlund](https://appshunter.io/developer/1720383877) | [SPARKLE AND, K.K.](https://appshunter.io/developer/1572402899) |

## What reviewers say

### Fysikken

[App page](https://appshunter.io/ios/app/fysikken/id647188755)

This app is a physics reference tool for high school students, offering over 200 formulas and 100 examples. It features a search function, favorites, and links to related concepts, making it ideal for daily lessons, assignments, and exam preparation.

**Highlights:** Extensive formula library, Over 100 calculation examples, Efficient search functionality, Favorite formulas, Cross-referencing with related concepts, Formula sharing options, Clear and organized layout

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | Free | one-time |


### AI Physics Explanation

[App page](https://appshunter.io/ios/app/ai-physics-explanation/id6743636113)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| MonthlySubscription | $5.99 | per month |


## Frequently asked questions

### Is Fysikken free?

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

### Is AI Physics Explanation free?

AI Physics Explanation is free to download, with in-app purchases available.

### Do Fysikken or AI Physics Explanation have ads?

AI Physics Explanation shows ads; Fysikken does not.

### Which is updated more often, Fysikken or AI Physics Explanation?

Fysikken ships an update every 22 months, and AI Physics Explanation every 6 weeks. Most recently, Fysikken was updated on September 7, 2026 and AI Physics Explanation on August 16, 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.*