# CASSY App vs GMAT Practice Test Prep

The clearest difference is in-app purchases: CASSY App at none against GMAT Practice Test Prep's 1. GMAT Practice Test Prep's advantage is iOS requirement (9.2 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. GMAT Practice Test Prep sells 1 one-off in-app purchase. CASSY App asks for nothing beyond the download.

## The numbers

| Metric | CASSY App | GMAT Practice Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 74 MB | 7 MB |
| Requires iOS | 15.0 | **9.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LD DIDACTIC GmbH](https://appshunter.io/developer/1083056850) | [MOON MOUNTAIN INC](https://appshunter.io/developer/1555760990) |

## What reviewers say

### CASSY App

[App page](https://appshunter.io/ios/app/cassy-app/id1083056851)

Control scientific measurement devices and display data on your mobile device. Analyze, store, and share results without a PC. Supports a wide range of physics, chemistry, and biology sensors.

**Highlights:** Control CASSY devices, Display measurements (analog/digital, tables, diagrams), Evaluate and store data, Share results wirelessly, Support for physics, chemistry, and biology sensors, WebDAV server integration

**Features:** macOS Compatibility

**In-app purchases:** none


### GMAT Practice Test Prep

[App page](https://appshunter.io/ios/app/gmat-practice-test-prep/id1466940360)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GMAT Practice Test Premium | $11.99 | one-time |


## Frequently asked questions

### Is CASSY App free?

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

### Is GMAT Practice Test Prep free?

GMAT Practice Test Prep is free to download, with in-app purchases available.

### Do CASSY App or GMAT Practice Test Prep have ads?

Neither CASSY App nor GMAT Practice Test Prep shows ads.

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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.*