# CASeasy+ vs Viana 2

The clearest difference is price: Viana 2 at Free against CASeasy+'s $22.99. Viana 2 also leads on review sentiment (42% vs 25%). CASeasy+'s advantage is device support (3 vs 1) and iOS requirement (13.5 vs 17.4). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Viana 2 is free to download; CASeasy+ costs $22.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CASeasy+ | Viana 2 |
| --- | --- | --- |
| Price | $22.99 | **Free** |
| Positive reviews | 25.0% of reviews | **42.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 29 MB | 19 MB |
| Requires iOS | **13.5** | 17.4 |
| Devices | **iPhone, iPad, iPod** | 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

### CASeasy+

[App page](https://appshunter.io/ios/app/caseasy-plus/id1479683038)

This app provides a computer algebra system designed for educational use on tablets. It simplifies solving algebraic equations with an intuitive interface and essential school-level functions. Features include a function plotter, a comprehensive calculator, and statistical analysis tools.

**Highlights:** Algebraic equation solving, Function plotter and analyzer, Comprehensive calculator with function catalog, Statistical analysis and charting, Exam mode with activity logging, Multiple user profiles for settings

**Features:** macOS Compatibility, 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 CASeasy+ free?

CASeasy+ costs $22.99, with no in-app purchases.

### Is Viana 2 free?

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

### Do CASeasy+ or Viana 2 have ads?

Neither CASeasy+ nor Viana 2 shows ads.

### Which is updated more often, CASeasy+ or Viana 2?

CASeasy+ ships an update every 2 months, and Viana 2 every 2 months. Most recently, CASeasy+ was updated on October 7, 2026 and Viana 2 on September 29, 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.*