212+ iOS apps curated and reviewed
Finding the right fft spectrum audio analyzer apps can be overwhelming with so many options. We've analyzed 212+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $10.99 | 4.6★ (971) | Yes | Yes | Jul 2026 |
| 2 |  | Free | — | No | No | Jul 2026 |
| 3 |  | $9.99 | 4.7★ (87) | No | No | Jul 2026 |
| 4 |  | Free | 4.5★ (3K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.4★ (236) | Yes | Yes | Jul 2026 |
| 6 |  | $6.99 | — | No | No | May 2026 |
| 7 |  | Free | 4.7★ (156K) | No | Yes | Jul 2026 |
| 8 |  | $3.99 | 3.9★ (52) | No | No | Jul 2026 |
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 real-time audio analysis app provides precision sound measurement and visualization. It's ideal for detecting sound issues, room tuning, and speaker calibration, offering detailed frequency analysis for musicians and audio professionals.
Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.
Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.
This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.
Transform your iOS device into a powerful audio spectrum analyzer. Visualize frequencies up to 20 kHz with customizable display options including frequency span, FFT size, and logarithmic views. Enhance analysis with filtering, peak hold, and adjustable decay rates.
Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.
Visualize audio in real-time with various data graphs like RTA Bar, FFT, and Spectrogram. Offers full octave and 1/3 octave analysis with linear or logarithmic scales. Displays peak and current dB data in a sleek, functional interface.
Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.
Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.
This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.
Visualize sound in real-time with this audio analysis tool. It measures sound pressure levels and analyzes digital frequency levels, offering a reliable reference for sound checks and adjustments in various environments.
This app provides real-time audio analysis and visualization for sound frequency and decibel levels. It's designed for precise audio measurement, suitable for both hobbyists and professionals tuning rooms or speakers.
This application transforms your device into a professional sound level meter, offering precise dBA and dBC measurements. It features advanced analysis tools like frequency spectrum analysis and data export, making it ideal for audio professionals and anyone interested in sound environments.
This app provides real-time visual analysis of acoustic signals. It offers detailed insights into sound through spectrum, spectrogram, oscilloscope, and RTA displays, useful for musicians, engineers, and researchers.
This real-time audio analysis app provides precision measurement and visualization for sound frequencies. It's designed for musicians and recording engineers, offering tools for room and speaker tuning, and can be used with built-in or external microphones.
Measure ambient noise levels with professional-quality accuracy. This app offers a spectrum analyzer, hearing test, and the ability to save and share measurements with location data. It's a powerful, cost-effective tool for personal sound monitoring.