250+ iOS apps curated and reviewed
Every iPhone needs a few good fftwave apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (15) | No | No | May 2026 |
| 2 |  | Free was $10.99 | 4.6★ (1K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 5.0★ (4) | No | No | Aug 2026 |
| 4 |  | Free | 4.7★ (340) | Yes | No | Aug 2026 |
| 5 |  | Free | — | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.9★ (9) | No | No | Aug 2026 |
| 7 |  | Free | 5.0★ (3) | No | No | Aug 2026 |
| 8 |  | Free | — | Yes | Yes | Aug 2026 |
Visualize sound from your microphone as a waveform and spectrum analysis. Identify frequency characteristics, detect peaks, and analyze howling with pinch-to-zoom gestures. Ideal for sound adjustment and analysis.
This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.
This application provides real-time audio spectrum analysis with clear, smooth visuals. It offers advanced features like peak hold and multiple window functions, all processed locally on your device without ads or data collection.
Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.
Analyze and generate audio signals with this app, featuring an oscilloscope for real-time waveform visualization and a spectrum analyzer for frequency analysis. It also includes a synthesizer for creating AM/FM modulated audio.
This audio analysis tool offers real-time and offline sound signal processing. It utilizes a multirate FFT for high frequency resolution and efficiency on iOS devices. All data processing is done locally, ensuring user privacy.
Record and analyze audio spectrums with a beautiful interface. Inspect detailed spectrums, adjust amplitude thresholds, and manage file sizes. Supports various I/Q data formats and FFT lengths.
This app provides real-time audio spectrum analysis using FFT, visualizing sound frequencies from your device's microphone. It offers customizable display options for clear analysis, suitable for professionals and students.
This app analyzes audio waveforms to create visual voiceprints as TFFT images. It offers extensive customization for FFT analysis, including adjustable ranges, sizes, scales, and window functions. A simple waveform generator is also included for learning purposes.
This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.
Analyze audio with high-resolution frequency and amplitude graphs. Features include a signal generator, cursor readouts, and adjustable graph smoothing. Save and export your analysis results.
This app visualizes your voice's frequency and amplitude using wave and FFT graphs. It includes a piano keyboard to help you match vocal pitches and offers recording, playback, and noise rejection features. Adjust system volume and explore various graph displays for detailed audio analysis.
Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.
Control your hearing aids directly from your mobile device. Adjust volume, change programs, personalize sound settings, and even locate lost devices. Receive remote updates and support from your hearing care professional.