Measure levels with precision to identify harmful environmental noises. Save measurements for future reference. Test and track hearing performance over time. Check stereo and bass output from your phone.
Customize text settings to enhance readability for children and dyslexic readers. Experiment with font styles, colors, and spacing to see real-time effects on sample text. Share feedback and suggest new settings to help improve digital experiences.
The app generates rhythm events using fractal sequences, creating evolving patterns from minimal beats to sonic mayhem. It includes four instruments with chaotic behavior controls and real-time parameter automation.
Test internet with one-tap measurements for download, upload, and delay. Access servers in 1000+ cities worldwide. Save and view test history. Compare results across cellular and WiFi networks.
Internet , upload and download speeds. Identify network bottlenecks. Run multiple tests for accuracy. View detailed results including latency and jitter. Export data for analysis. Set custom intervals. Monitor trends over time.
Notes across four groups with individual and total totals. Adjust initial values, edit notes, and switch between up and down modes. Delete all counts at once and share results.
Convert PDF documents to editable files while preserving original formatting and layout. Edit or reuse content directly. Open converted files in compatible mobile office apps. No internet required. Process files entirely on device.
Study vocabulary or sentences by masking them with adjustable lines. Change line color based on accuracy. Automatically adjust lines for PDFs and fix angles. Batch mask content using search. Import files from cloud storage or device.
The app generates periodic signals with adjustable frequency and amplitude for testing electronic circuits. It includes a tuner for instruments, a metronome, and features for comparing hearing abilities.
Lets users record observations with time-stamped entries. Tap buttons to log common events or use the keyboard for custom . Export in chronological order as CSV, JSON, or plain text to cloud storage.
The app provides PDF modification and annotation capabilities, including form filling, adding shapes, and inserting pictures. It allows users to organize PDF pages, search within all stored files, and convert various document types into a single PDF.
Convert PDF files to editable spreadsheets while preserving text, layout, fonts, and tables. Edit and calculate data in the resulting .xlsx files. Open converted files in compatible mobile office apps like Microsoft or WPS.
The app supports djvu and pdf formats with a visualization system for mobile devices. It offers elegant design, extended functionality, and high speed for working with large documents.