View PDFs by opening them from email, web, or supported apps. Navigate, scroll, zoom, and rotate pages. Use iBooks-like document navigation. Organize PDFs into folders. Export to Box, Dropbox, Google Drive, Evernote, Gmail, Copy, Yahoo!
Create and organize timelines for events, historical moments, and work milestones. Categorize events into different timelines. Edit timelines with flexible tools. Export and share images with friends.
Measure sound levels with precise readings from 30 to 130 dBA. Use A, B, C, Z, and ITU-R 468 frequency filters. Adjust time weighting settings including SLOW, FAST, and IMPULSE. Display real-time data with clear visual indicators.