Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
Practice test questions with timed sections and answer explanations. Review subject-specific content including math, science, and verbal reasoning. Track progress and identify areas for improvement.
Use phone sensors to measure magnetic fields, gravitational acceleration, and sound. Run preloaded experiments or create custom ones. Export raw data and results for analysis. Share experiments with others.
Take notes quickly by tapping the + button and typing. Save and organize notes in folders. Access notes across devices. Enable ad-free mode with a subscription.