Scan codes and barcodes to retrieve product and food details. View detailed data cards. Access scan history. Create codes. Perform batch scans and export data as CSV. Subscribe for unlimited scans and ad-free experience.
Decode code audio into text. Display audio spectrum and tone amplitude graphs. Adjust narrow band audio filter between 400-1600 Hz. Set WPM speed for dot/dash detection. Configure tone frequency thresholds. Export decoded text.
The app provides practice questions and exams for the Amateur Radio General license. Users can review FCC rule text and track proficiency in question groups.
QR codes by aligning them in the camera view. Tap to open URLs in Safari or copy text to the clipboard. Duplicate QR business cards to contacts. Supports quick and accurate scanning with iOS technology.
Coding with interactive labs and an on-device Python IDE. Run without setup or internet. Access tutorials on syntax, variables, functions, loops, data analysis, visualization, web scraping, networking, XML/JSON parsing, and machine learning.
Learn Morse code by repelling invaders through correct input. Increase speed as levels progress. Eliminate multiple invaders at once for higher scores. Receive penalties for errors. Game ends when invaders fill the screen.
Learn flag signals and their meanings with interactive quizzes and explanations. Practice Morse code and flag alphabets in multiple languages. Send and receive semaphore signals with visual guides for both sending and receiving.
Scan QR codes and barcodes with support for 20+ types. Use front or rear camera and torch for scanning. Scan codes from photos in the library. Generate custom QR codes. View product details from Google and Amazon. Save and filter scan history.