CASSY App vs LEIFIphysik
Price, ratings, monetisation and update history for both apps, side by side — 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 – on an iPad or iPhone. It’s 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.
LEIFIphysik
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.
- Physics content for grades 5-12
- Homework and exam preparation
- Interactive simulations
- Knowledge quizzes
- Personalized topic collections
- Progress tracking
- Curriculum-aligned learning
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Entdecke die LEIFIphysik-App - der Physik-Lernhelfer auf deinem Smartphone. Die LEIFIphysik-App ist die perfekte Unterstützung für den Physikunterricht von Klasse 5 bis zum Abitur. Ob Hausaufgabe, Referat und Klassenarbeit, hier findest du alle relevanten Themen, optimal aufbereitet für deine Klassenstufe und passend zu den Lehrplänen deines Bundeslandes. Entdecke die LEIFIphysik-App: - Lerne wann und wo du möchtest! - Alle Inhalte und Funktionen kostenlos und werbefrei - Grundwissen, Aufgaben, Simulationen und mehr zu allen Themen des Physikunterrichts - Teste Dein Wissen mit dem LEIFI-Quiz - Recherchiere für dein nächstes Physik-Referat - Lerne für Tests, Klassenarbeiten und Klausuren - Entdecke physikalische Themen und vertiefe dein Physikwissen - Bereite dich optimal auf deine Physikprüfung vor, egal ob mittlerer Schulabschluss oder Abitur - Markiere deine Favoriten und erstelle eigene Sammlungen - Behalte deinen Lernfortschrift im Blick Für Lehrende: Die LEIFIphysik-App unterstützt dich in deinem Unterricht. - Erstelle individuelle Sammlungen für deinen Unterricht und deine Lerngruppen - Verteile deine Sammlungen per Shortcode und lasse deine Klasse mit der LEIFIphysik-App arbeiten
Screenshots
Verdict
The clearest difference is update cadence: LEIFIphysik at monthly against CASSY App's every 3 months. On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CASSY App ships an update every 3 months, LEIFIphysik monthly. Both last shipped on October 24, 2026.
| Parameter | CASSY App | LEIFIphysik |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews — better | 55.6% of reviews |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 76 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | LD DIDACTIC GmbH | FWU Institut für Film und Bild in Wissenschaft und Unterricht gemeinnützige GmbH |
Customer experience
CASSY App
LEIFIphysik
In-app purchases
CASSY App
No in-app purchases
LEIFIphysik
No in-app purchases
