224+ iOS apps curated and reviewed
Looking for free frequency analyzer free apps? 20 of our 224+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $10.99 | 4.6★ (971) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.7★ (340) | Yes | No | Jul 2026 |
| 3 |  | Free | — | No | No | Jul 2026 |
| 4 |  | Free | 4.7★ (54K) | No | Yes | Jul 2026 |
| 5 |  | Free | 2.3★ (3) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.7★ (156K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.5★ (3K) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.4★ (236) | Yes | Yes | 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.
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.
Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.
This application transforms your device into a precise sound analysis tool. It offers real-time frequency detection, visualization, and data logging for musicians, engineers, and curious individuals. Gain clarity and accuracy in understanding the soundscape around you.
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.
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.
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.
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.
Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.
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.
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.
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.
Instantly discover the tuning frequency of music around you. This app uses song recognition and advanced analysis to reveal if a track is tuned to standard concert pitch or other frequencies, offering a new dimension to your listening experience.
This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.
Optimize your Wi-Fi network performance with this free app. It helps you detect and connect to networks, scan for devices, test speeds, and improve signal strength by relocating access points.
This application offers real-time radio frequency signal detection and analysis. It monitors signal strength, analyzes frequency bands, and identifies interference sources. The tool provides historical data and network optimization insights for a better wireless experience.