CASSY App vs Mixd
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CASSY App
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.
- 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
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With the CASSY App, students and teachers can measure, observe and analyse using CASSY β on an iPad or iPhone. Itβs simple and practical for everyday use: just type in the PIN from the CASSY display or scan the QR code and start measuring straight away. - Free experimentation without fixed experimental parameters - Group measurements: connect up to 4 devices to a single CASSY simultaneously - Live measurement results on an external display in digital and analogue displays, tables and diagrams - Free configuration of measurements - Comparison of multiple measurements - Individual evaluation per student - Save results and load measured values for analysis - Exam mode for exam security (configurable via CASSY teaching profiles on our LeyLab online portal) - Can be used without internet access The CASSY App supports all CASSY sensors and the following CASSY devices: - Mobile-CASSY 2 WiFi (524 005W2, 524 005W) - Power Analyser CASSY (727 101, 727 111) - Machine Test CASSY (773 1901, 773 2901) - Converter Controller CASSY (773 5291) - Power Control CASSY (773 530) You can obtain a compatible CASSY and the sensors from LD DIDACTIC GmbH. Further information can be found on our website.
Mixd
This app simplifies team creation for educators, allowing for fair and balanced groups based on various criteria. It offers engaging presentation options for revealing teams and managing class rosters efficiently.
- Fair team creation
- Balance by skill level
- Engaging reveal animations
- Classroom display mode
- Student randomizer
- Class management
- Data import/export
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A little suspense before the group work starts. Mixd makes fair teams in seconds and reveals them with engaging animations on your classroom display. Balance teams by skill level, gender, or both, adjust the results whenever you need to, and draw who's up next. PRESENT TO YOUR CLASS β’ Set up in private: the classroom display shows a waiting screen until you tap Present β’ Reveal teams full-screen with Smooth Cascade, or choose from six intro animations (Pro) β’ Present on a connected display while the controls stay on your iPhone or iPad β’ Draw a student at random: a spotlight sweeps across the class and stops on the pick β’ Export team sets as PDF or image (Pro) MAKE TEAMS YOUR WAY β’ Choose the number of teams or a target team size β’ Balance teams by skill level β’ Balance by gender (Pro) β’ Group people with similar skill levels for tasks suited to their abilities (Pro) β’ Keep selected people on separate teams whenever the class allows it (Pro) β’ Reduce repeat pairings using recent grouping history (Pro) β’ Mark who's absent before making teams MANAGE YOUR CLASSES β’ Create, pin, duplicate, and sort classes into folders, with up to 64 members each β’ Import class lists from CSV or Excel files and export them as CSV β’ Move people between teams with drag and drop, and rename team sets and teams β’ Find any past team set in Activity by its name, class, team, or student β’ Back up everything to a file and restore it on any device (restoring: Pro) FREE TO START, PRO WHEN YOU NEED IT Mixd is free to download. The free version includes one active class, teams balanced by skill level, the Smooth Cascade reveal, the classroom display, drawing one student at a time, CSV export, and backups. Mixd Pro is a one-time in-app purchase, not a subscription. It adds unlimited classes, every balancing option, all six intro animations, team exports, restoring backups, and drawing several students or whole teams at once. Bought Mixd before it became free? Pro is included for you. FOR IPHONE AND IPAD Mixd adapts to your screen and supports light and dark appearance. When iCloud is enabled, your classes and team sets sync between your devices. No Mixd account. No ads. No tracking or third-party analytics. Class and team data is stored on your device and, when sync is enabled, in your private iCloud account. You choose when to export or share it. I'm a teacher. Mixd is the app I wanted for making teams and presenting them to my class, so I built it.
Screenshots
Verdict
The clearest difference is review sentiment: Mixd at 100% against CASSY App's 60%. Mixd also leads on update cadence (every 3 weeks vs every 3 months). CASSY App's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Mixd sells 1 one-off in-app purchase. CASSY App asks for nothing beyond the download.
CASSY App ships an update every 3 months, Mixd every 3 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | CASSY App | Mixd |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | 100.0% of reviews β better |
| Update frequency | Every 3 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Free β better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 18.0 |
| Further details β not scored | ||
| Size | 76 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | LD DIDACTIC GmbH | Igor Dukhovny |
Customer experience
CASSY App
Mixd
In-app purchases
CASSY App
No in-app purchases
Mixd
- Mixd Pro Lifetime$3.99









