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



FFTWave
Eisaku Nozu
Analyze sound waves and frequencies
Displays sound waveforms and spectra using Fourier transform. Identifies frequency characteristics and detects peaks. Supports pinch zoom gestures for detailed analysis. Assists in sound adjustment and howling prevention.

Decibel Meter Sound Detector
Ashraf Thoppukadavil
Track noise levels in real time
Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.


VibraUnits
Motionics, LLC
Convert vibration units accurately
Convert vibration units including velocity, acceleration, and displacement. Switch between Hz and CPM for frequency. Convert displacement between mils and microns with options for RMS, 0-peak, and peak-peak.

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.


bismark bs-spectrum
bismark LLC
Real-time audio spectrum analyzer with FFT.
The app analyzes audio input in real-time using FFT. It displays the frequency spectrum with options for graph scale, FFT window, decay time, and amplitude offset.


Carbon Drive Belt Tension Tool
Gates Corporation
Measure belt tension sonically with microphone.
The app measures belt tension sonically by reading vibration frequency. Users can compare their bicycle belt's frequency to a chart or their vehicle's owner's manual for tension recommendations.

Audiobel: Professional SPL
Jorge Cozain
Measure sound levels in decibels
Measure sound levels in decibels using device microphone. Display average, max, and min decibel values. Show real-time peak and average graphics. Calibrate for accurate readings. Choose measurement frequency. Record audio and save files.

REBvibe
Motionics, LLC
Calculate bearing vibration frequencies easily.
The app calculates fundamental vibration frequencies for rolling element bearings. Users can select bearings by geometry or model number to see results in CPM and Hz.

Decibel X:dB Sound Level Meter
SkyPaw Co., Limited
Measure sound pressure levels precisely and easily.
The app transforms an iOS device into a sound level meter, measuring sound pressure levels. It offers features like Apple Watch support, Health app integration, and frequency analysis tools.

AudioTools, dB, Sound & Audio
Andrew Smith
Record , analyze , test speakers
AudioTools offers SPL measurement, RTA analysis, FFT visualization, and speaker polarity testing. Includes a generator, scope, CLF viewer, and recorder. Allows adding optional modules for advanced acoustic analysis and customization.



Audio Spectrum Analyzer
Black Cat Systems
Audio frequencies displayed for analysis.
The app displays audio frequencies up to 20 kHz on an iPad, iPhone, or iPod Touch. Users can adjust frequency span, FFT size, and apply filtering for smoothing.

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.

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