# Viana 2 vs LEIFIphysik

The clearest difference is monetization model: LEIFIphysik at free against Viana 2's paid. LEIFIphysik also leads on review sentiment (56% vs 42%) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Viana 2 ships an update every 2 months, LEIFIphysik monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Viana 2 | LEIFIphysik |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 42.3% of reviews | **55.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 19 MB | 45 MB |
| Requires iOS | 17.4 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Freie Universitaet Berlin](https://appshunter.io/developer/1031084427) | [FWU Institut für Film und Bild in Wissenschaft und Unterricht gemeinnützige GmbH](https://appshunter.io/developer/1027361636) |

## What reviewers say

### Viana 2

[App page](https://appshunter.io/ios/app/viana-2/id1554845327)

This app allows users to record and analyze motion from videos. It automatically determines the trajectory, position, and velocity of objects, offering advanced graphing and coordinate system tools for physics education.

**Highlights:** Record and analyze motion from videos, Automatic trajectory, position, and velocity determination, Adjustable video frame rates, Object tracking with marker adjustment, Display up to three graph types simultaneously, New phase diagram types, Real-time coordinate system and graph comparison, Export and import projects

**In-app purchases:** none


### LEIFIphysik

[App page](https://appshunter.io/ios/app/leifiphysik/id6466470177)

This app serves as a physics learning assistant for students from 5th grade through high school. It provides comprehensive content, exercises, and simulations aligned with school curricula, helping with homework, presentations, and exams. Users can track their progress and create personalized collections of topics.

**Highlights:** Physics content for grades 5-12, Homework and exam preparation, Interactive simulations, Knowledge quizzes, Personalized topic collections, Progress tracking, Curriculum-aligned learning

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

**In-app purchases:** none


## Frequently asked questions

### Is Viana 2 free?

Viana 2 is free to download, with no in-app purchases.

### Is LEIFIphysik free?

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

### Do Viana 2 or LEIFIphysik have ads?

Neither Viana 2 nor LEIFIphysik shows ads.

### Which is updated more often, Viana 2 or LEIFIphysik?

Viana 2 ships an update every 2 months, and LEIFIphysik monthly. Most recently, Viana 2 was updated on October 19, 2026 and LEIFIphysik on October 24, 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.*