Showing 101–120 of 1,000 ranked alternatives.
MSXII Sound Design LLC
Record, play, and edit loops
Record and playback audio with -like saturation and noise characteristics. Adjust noise hiss, speed, and echo effects in real time. Apply filters and modulation effects to incoming audio signals.
Ibrahim Al-Sammarraie
Udio signals with custom parameters
Udio signals with adjustable parameters and frequency up to 20 kHz. Create single signals, sweeps, or merged signals. Control duty cycle, frequency, and waveform type. Export generated audio files.
Paula Jeff
Record , measure noise, compare levels
Measure ambient noise levels and compare recordings to reference charts. Save audio files and view a history of past recordings. Requires subscription for saving and active screen display.
Aryaman Sharda
Calculate values by bands
Determine values by selecting bands. Calculate resistance, tolerance, and temperature coefficients. View detailed specifications and compare ratings.
Keysight Technologies, Inc
Calculate measurement errors
Calculate measurement errors using directivity and mismatch error tools. Convert ratios to decibels. Compute noise figures and antenna parameters. Input values and retrieve calculated results.
Swift Fox Software LLC
Buzz and annoy with sound effects
Create and play buzzer sounds for games or notifications. Select from normal, low, high, and ultra high frequency buzzers, dial tone, or emergency sounds. Share sounds via social media. Control sounds using Apple Watch.
Hebaallah Hossameldien
Convert units and exchange currencies
Convert values between units in 22 categories including acceleration, angle, area, and data storage. Support currency exchange for 160 currencies. Search units by category or globally. Bookmark frequently used conversions.
Ronald Nicholson
Decode FT8 signals from audio input
Decode FT8 signals from audio or SDR sources. Support Level 1 decoding for standard callsigns or 13-character text. Generate FT8 message audio for testing. View decoded messages and metadata.
David Bannach
Measure levels and share results
Measure ambient noise levels with a smooth analog dB(A) display. Take and share photos with integrated readings. Store and print images.
David White
Measure voltages and calculate resistance
Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.
Amran AlQasmi
Design circuits with logic gates
Create circuits using logic gates and basic building blocks. Wire components on a flexible plane. Simulate real-time behavior. Learn fundamental concepts of engineering and computer science.
RRS, OOO
Play 5 minutes of music anytime
AUv3 is a virtual analog synthesizer with undo/redo, A/B comparison, and 2x/4x/8x upsampling. It includes macro controllers and a scalable GUI. Users can reload the demo version for repeated free play sessions.
Hanna Molenaar
Expel , generate tones, test sound, measure
Use sound waves to remove from speakers. Generate custom tones with adjustable frequencies and waveform shapes. Repel pests using specific sound frequencies. Test stereo sound output and measure ambient noise levels.
m erickson
Refine sound, analyze audio details
Improve listening skills by identifying frequency changes in built-in sounds. Guess affected frequencies after random filter settings. Track progress with a running score. Designed for students and audio professionals.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.