225+ iOS apps curated and reviewed
The best frequency detector apps on iPhone average 4.4★ across 225+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This app lets you detect and visualize the frequencies of surrounding sounds in real-time, allowing you to see sound waves moving around you. Download the app to experience the magic of sound visualization and discover the frequencies that fill your environment.
This application transforms your device into a reliable tool for analyzing sound, providing real-time frequency detection and visualization to help musicians, sound engineers, and curious individuals understand and work with sound more effectively. With its precise measurements, data logging, and export capabilities, it offers a professional-level solution for sound analysis, available through a subscription-based model.
Transform your iOS device into a professional sound level meter with pre-calibrated accuracy and various frequency spectrum analysis tools. Measure sound pressure levels, export data to Health app, and enjoy features like FFT graphs, dosimeter readings, and InstaDecibel for social sharing. Experience the convenience of tracking noise levels with precision and ease.
This app is a versatile Audio/Spectrum Analyzer that allows users to view and analyze audio waveforms and amplitude spectrums from microphone input. It offers customization options for display settings, FFT size, window functions, waveform generation, and noise signal generation. Additionally, it supports Bluetooth connection policies and offers an option to hide advertisements through an in-app purchase. For a more advanced multi-channel audio signal experience, users can try out the "Multi Wave Oscillator" linked within the app's settings.
Detect EMF radiation levels around you with the EMF Radiation Detector Reader app. Easily identify EMF risk zones in your home, work areas, and around electronic devices. Download now to take control of your well-being and minimize exposure to harmful EMF radiation.
Generate a sound wave at any frequency between 1Hz and 22,000Hz with our easy-to-use sound generator. Test your speakers, tune your instruments, or simply explore the world of sound frequencies. Download now to take control of your audio experience.
An advanced audio analysis app with features like real-time spectrum analysis, sound meter, and FFT plot for tuning home cinema, car stereo, and more. Experience precise frequency breakdowns and harmonic analysis with smooth HD graphics. Contact support for questions or feedback.
Track environmental noise levels with an easy-to-use decibel meter app that provides detailed analysis through dB and AF readings. Share readings, utilize polling, and explore various features for sound monitoring. Contact info@ashiers.com for more information.
Detect unauthorized devices in unfamiliar environments with powerful scanning tools that analyze Wi-Fi and Bluetooth connections. Stay informed, alert, and in control with features like infrared camera filters and real-time network diagnostics.
Detect hidden devices in your surroundings with SpyPoint: Wireless Detector. Identify and locate any covert listening devices or cameras using advanced scanning technology. Stay vigilant and protect your privacy today.
An advanced sound level meter app with a built-in Spectrum Analyzer for precise measurements. Monitor noise levels, save measurements, export data, and protect your hearing using various features. Download now for accurate sound monitoring and protection.
Experience a transformative audio journey with Frequency: Healing Sounds. Immerse yourself in Hz sound frequencies designed to enhance relaxation, focus, and well-being. Rediscover harmony and balance with our curated collection of healing sounds. Try it now for a peaceful state of mind.
Detect suspicious devices in your network and ensure your privacy with this advanced Nearby Device Detector and Spy Finder. Utilize WIFI scanning and AI technology to identify hidden devices in various environments. Subscribe for enhanced features and protection. View Terms of Use: [Terms of Use] Learn more: [Privacy Policy]
Discover and analyze all devices on your local network with this essential tool to protect your privacy. Stay updated with regular app improvements for an enhanced user experience. Explore now!
Stay informed about your digital surroundings with our app, which helps you monitor network activity, detect connected devices, and check your IP information. Upgrade to premium for advanced features, including enhanced device insights and detailed network analysis.
Transform your device into a professional-grade audio analysis suite with industry-leading processing, precision calibration tools, and comprehensive visualization capabilities. Download now and unlock the full spectrum of acoustic measurement capabilities for applications such as acoustic measurement, audio engineering, environmental noise consulting, and more.
Safeguard your digital environment with a powerful security scanner that detects unauthorized devices, hidden cameras, and maintains your privacy. Unlock advanced features like Wi-Fi and Bluetooth scanning, magnetic and IR detection, and detailed device insights to stay one step ahead of modern threats.
This app is a powerful real-time audio analysis tool with features like FFT plot, octave band real-time analyzer, and various measurement functions. It offers precise measurements using device-integrated microphones, AirPods support, and external microphone compatibility. Explore more features and functionalities by checking out the app!