Apps Like SWLtools for iPhone and iPad
SWLtools screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



Physics Toolbox Sensor Suite
Chrystian Vieyra
Measure, record, and analyze data
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.



Audio spectrum analyzer EQ Rta
Marina Polyanskaya
Analyze and visualize frequency
Analyze in real time with octave band and FFT measurements. Visualize frequency spectra and measure sound levels. Export data and compare measurements across sessions.

Audio / Spectrum Analyzer
Loop-Sessions.LLC.
Analyze and display waveform
Real-time analysis displays waveform and amplitude simultaneously. Users can switch between portrait and landscape modes. Options to configure waveform and display. Adjustable FFT size and window function for precise frequency analysis.



PSK31
Black Cat Systems
View ham radio PSK31 transmissions now.
The app allows users to view ham radio PSK31 transmissions on an iPad. Users can place their iPad near a radio, tune to a PSK31 frequency, and see decoded text along with a waterfall display of the audio spectrum.


insTuner Free - Chromatic Tuner
Polybeat PTE. LTD.
Tune instruments quickly and easily.
The app offers a chromatic tuner for instruments. It features a fixed note wheel and tone generator for tuning by ear or with the microphone.

Audio Spectrum Analyzer dB RTA
Marina Polyanskaya
Analyze and visualize frequencies
Analyze frequencies with a real-time display. Adjust and visualize sound levels across different frequency ranges. Export analysis data and compare signals for accuracy. Calibrate equipment for optimal performance.


Voice recorder, audio recorder
Hong Nguyen
Record, save, and share memos
Record with high-quality HD settings ranging from 8-41.1KHz sample rates. Save recordings as memos. Share files directly with others. Features include a simple interface for quick access and one-tap recording.


Audio Analyzer
DEXUS Pawel Krzywdzinski
Analyze signals in real time
Analyze signals with real-time spectrogram, spectrum, and oscilloscope visualizations. Identify frequencies and measure response of equipment. Detect phonetic elements in speech and visualize animal calls. Check singer’s formant for vocal analysis.

MilGPS
Cascode Labs Pty Ltd
Navigate with MGRS coordinates and waypoints
Display current location and customizable info on large text screens. Create waypoints using location, crosshairs, or coordinates. Organize waypoints into overlays and navigate to them with arrows or maps. Track movement and view location details.


How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.