Cathode Ray by Heiko Etzold




65+ similar apps compared and reviewed
Whether you want more options like ARRadiation or a completely different take on the same concept, our curated list of 65+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.















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.


This educational app facilitates simple and fast data logging for science lessons. It works with specific sensors to measure various phenomena, offering intuitive handling, data visualization, and over 100 experiment descriptions.




Streamline classroom management with centralized control over student devices. Pre-configure lesson-specific profiles to automatically adjust apps, web links, and device features for focused learning. Supports ad-hoc and admin modes for flexible teaching and organizational oversight.


Explore the history of the Berlin Wall with an interactive map, photos, audio, and video. This app serves as both a travel guide and an informational resource, detailing the Wall's exact location and significant historical sites.


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.