Record measurements and save logs without needing a sign-up. View history by date and share logs with friends. Access dark mode for better visibility. Analyze trends over time.
View and import PDF documents. Add electronic signatures, fill forms, insert text, dates, and checkmarks. Save and export files. Share via email or messaging. Premium version removes usage limits.
Test performance with frequency analysis and decibel measurement. Clean speakers by removing trapped water. Generate pure tones for testing or tuning. Calibrate audio equipment for accurate sound output.