Learn Morse Code
Ros Media
Master the art of coded messages.
The app provides tools for learning Morse Code. Users can encode and decode messages, play training games, and access an alphabet reference.
Amateur radio reference for all users.
This reference app provides quick access to amateur radio band limits, country codes, band plans, radiogram messages, grid squares, and time. It also includes the RST system, Morse code, phonetic alphabet, unit abbreviations, and metric prefixes.
Showing 61–80 of 1,000 ranked alternatives.
Ros Media
Master the art of coded messages.
The app provides tools for learning Morse Code. Users can encode and decode messages, play training games, and access an alphabet reference.
Havos Ltd
Play searches in multiple languages
Customize puzzles with adjustable grid sizes and difficulty levels. Choose from English or 35 languages. Modify lists to avoid repeated terms or obscure words. Play on various device sizes with responsive layout.
Thomas Oellinger
Calculate, edit, and track equations
The provides scientific calculations, unit conversion, and logic-based computations. Users can switch between modes. It includes a built-in manual for operation guidance. Perform n-base conversions and unit-based calculations.
OnStage Technologies, LLC
Music dictionary and quick reference
The app provides a music dictionary with thousands of definitions, abbreviations, and performance notations. It includes quick reference charts for tempo markings, symbols, and more, with variations in multiple languages.
Abdullah Nurum
Take tests, study outlines, and review flashcards
Take PTCB exams with tests and learning mode. Practice with 500 questions featuring explanations, user ratings, and comments. Review book outlines and flashcards covering drugs, abbreviations, controlled substances, and math.
Calculated Industries, Inc.
Browse boating charts and images
Access boating information with detailed charts, graphs, and illustrations. Look up formulas, safety guidelines, and equipment specifications. Search for content by topic or use the table of contents. View 800+ images and diagrams for visual .
Calculated Industries, Inc.
Access , charts, and COLREGS documents
Provides access to COLREGS and Inland , including amendments. It includes sound and light signals, steering and sailing , and other essential boating references. Users can search and bookmark regulations for quick reference.
Spiny Software
Search letters to find words and definitions
Search for words by typing, supporting anagrams and various games like Scrabble and Words With Friends. Include blanks by typing spaces. Search with prefixes and suffixes. Provide definitions to enhance knowledge.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
Nigel Green
Copy images, scale, and draw precisely
Allows users to draw grids over images for precise copying, scaling, and tracing. Features include adjustable sizes, reference image overlay, and zoom capabilities. Users can export drawings and share files directly.
Michel Kuratli
Learn Morse Code The Selected Way
The app provides a Morse Code training tool with a basic course and virtual QSO partners. It allows connection of external keying devices for practice.
koji kamogawa
Practice CW QSOs with realistic settings
Simulate amateur radio QSOs with realistic call signs and signal levels. Adjust CW speed and set own station parameters. Support pile-up with up to 3 simultaneous stations. Include 599BK, Rubber Stamp, and contest-style QSOs.
ADIOS YAZILIM BILISIM SANAYI VE TICARET LIMITED SIRKETI
Play and uncover mines
Play by uncovering squares to reveal numbers or blanks. Flag potential mines to avoid detonation. Reveal all non-mine squares without triggering any mine. Adjust difficulty by changing grid size and mine count.
Electronial
Calculate formulas and values
Perform calculations using built-in calculators for displacement, acceleration, Newton's second law, gravitational acceleration, Hooke's law, momentum, work, density, kinetic energy, potential energy, elastic energy, electric power, wavelength, and
Gravity Technology Beijing Co., Ltd
Practice IELTS Speaking tests and get AI
Take full IELTS Speaking mock tests with AI examiners. Receive detailed band scores and feedback. Practice with real test questions and sample answers for Band 6 and Band 7. Track progress and prepare for exams.
the binary family GmbH
Play with in-grid clues
Solve with clues displayed in the puzzle grid. Navigate between clues and answers. Customize difficulty levels. Track progress and revisit previous puzzles. Share completed puzzles via email or social media.
Lybron Sobers
Aviation reference for pilot knowledge.
The app provides aviation definitions and abbreviations based on the Airline Transport Pilot License syllabus. It offers iCloud sync for purchases across devices.
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