# BiBox vs Viana 2

The clearest difference is monetization model: BiBox at free against Viana 2's paid. Viana 2's advantage is review sentiment (42% vs 24%). 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.

BiBox ships an update every 3 months, Viana 2 every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BiBox | Viana 2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.8% of reviews | **42.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 28 MB | 19 MB |
| Requires iOS | **16.4** | 17.4 |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Westermann Digital GmbH](https://appshunter.io/developer/1171669560) | [Freie Universitaet Berlin](https://appshunter.io/developer/1031084427) |

## What reviewers say

### BiBox

[App page](https://appshunter.io/ios/app/bibox/id1478408158)

This digital learning system offers interactive content, offline access to educational materials, and tools for teachers to prepare and deliver lessons. Students can access digital textbooks and assigned materials individually or as a class.

**Highlights:** Interactive digital textbooks, Offline access to content, Lesson preparation tools, Assign materials to students, Upload personal materials, Synchronized notes and bookmarks

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is BiBox free?

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

### Is Viana 2 free?

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

### Do BiBox or Viana 2 have ads?

Neither BiBox nor Viana 2 shows ads.

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

BiBox ships an update every 3 months, and Viana 2 every 2 months. Most recently, BiBox was updated on November 7, 2026 and Viana 2 on November 3, 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.*