Apps Like SpectrumView for iPhone and iPad
Visualize audio frequencies in real time
Visualize real-time audio frequencies with a spectrogram and spectrum analyzer. Adjust sample rate and frequency resolution. Identify sound frequencies, measure vocal range, and analyze audio input.
SpectrumView screenshots
Ranked alternatives
Showing 101–120 of 1,000 ranked alternatives.


iSeismometer
ObjectGraph LLC
Ground motion recording and analysis instrument.
The app transforms a phone into a seismograph, recording ground motion across three axes at high sample rates. It offers event detection, historical data browsing, and the ability to export recordings.

Subscription Tracker
Ali Alhady
Track subscriptions and payments locally
Track recurring payments and subscriptions without login or sensitive data. Add custom subscriptions with name, amount, billing frequency, and icon. View payment history and set reminders for upcoming charges.

Teste - API, Scripts, Terminal
FJEDI LTDA
Test APIs and view responses
Allows users to test various APIs including REST, GraphQL, WebSocket, and more. Send HTTP requests with methods like GET, POST, and DELETE. Edit GraphQL queries, mutations, and subscriptions. Connect to WebSockets and send messages.



AudioEQ Pro - Music Equalizer
Oguz Demir
Equalize audio and visualize sound
Adjust audio frequencies with a 10-band covering 60Hz to 16kHz. Apply real-time adjustments for bass, mids, and treble. Visualize audio with dynamic graphics. Import and play local files or stream audio directly.

Audio Signal Generator
Media Punk Studios LLC
Udio test tones
Udio test tones with adjustable frequency and amplitude. Create sine waves from 20 Hz to 20 kHz. Add white noise, pink noise, and frequency sweeps via in- purchases. Support square, sawtooth, and triangle waves on compatible devices.

Statistics Calculator--
Behzad Dogahe
Calculate and probabilities
Perform basic statistical calculations, create and edit data lists, and generate summary . Calculate regression models and probability distributions. Unlock advanced features and larger list capacities via in- purchase.





TuneLab Piano Tuner
Real-Time Specialties, inc.
Custom piano tuning for professionals.
The app measures and uses a piano's inharmonicity to construct a custom tuning. It provides a strobe-like Phase Display and a versatile frequency spectrum display for fine-tuning.

Spectrum Analyzer: Spectrogram
Music Breath, OOO
Analyze sound and visualize frequencies
Measure sound levels with real-time precision. Analyze harmonics using multichannel FFT with adjustable parameters. Display graphical representations of audio data. Utilize AI to identify sound sources and analyze environments.

Speaker Cleaner (Remove Water)
Matej Koval
Emit sound to remove water from speakers
Remove water from phone speakers using sound frequencies. Tap to initiate cleaning process. Restore clear audio output quickly and safely.

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.



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