Generate precise audio frequencies and waveforms for various applications, from audio equipment testing and speaker cleaning to hearing tests and tinnitus relief. Offers fine-tuned control over sound output.





232+ iOS apps curated and reviewed
The best frequency sound generator hz apps on iPhone average 4.5★ across 232+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.0★ (1) | No | Yes | Jul 2026 | |
| 2 | Free | 4.5★ (4.8K) | Yes | Yes | Aug 2026 | |
| 3 | Free | 4.7★ (340) | Yes | No | Aug 2026 | |
| 4 | Free | 4.7★ (2.6K) | Yes | No | Aug 2026 | |
| 5 | Free | 4.8★ (4) | No | Yes | Aug 2026 | |
| 6 | Free | 4.7★ (2.4K) | No | Yes | Aug 2026 | |
| 7 | Free | 4.8★ (75) | Yes | Yes | Aug 2026 | |
| 8 | Free | 4.7★ (59K) | Yes | Yes | Aug 2026 |





Generate precise audio frequencies and waveforms for various applications, from audio equipment testing and speaker cleaning to hearing tests and tinnitus relief. Offers fine-tuned control over sound output.






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.



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.


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.


Create audio tones from 1 Hz to 22 kHz with adjustable frequency and waveform. Offers a sleep timer and dark mode. Free users have limited daily uses and waveform options.


This app offers science-inspired sound therapy to promote natural healing and restore balance to your mind, body, and brain. It utilizes specific frequencies to aid in sleep, reduce pain, and enhance mental clarity for a holistic wellness journey.


Generate and analyze a wide range of sounds and frequencies. Explore tone generation, sound tests, musical tuning, and create custom sound effects. Visualize sound waves and experiment with different waveforms.


Experience science-backed sound therapy to fall asleep faster, reduce anxiety, and improve focus. Explore a variety of verified binaural beats, Solfeggio frequencies, and ambient sounds. Customize your experience with adjustable intensity and create playlists for sleep, meditation, or work.


Generate precise sound waves with adjustable frequencies and various waveform types. Use it for audio testing, insect repulsion, pet training, or as a prank tool. Features include a decibel meter and stereo sound tests.


Generate sound waves across a wide frequency range to test hearing limits. Explore potential uses like deterring pests or competing with friends to see who can hear higher pitches. An optional premium upgrade removes ads and unlocks additional waveform options.


Generate various sound waves and frequencies with this utility app. It offers single and multi-oscillator modes, binaural beats, and a dedicated test for bass and sub-woofers. Explore ultrasonic sounds and noise generation.


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.


Generate precise audio tones for tuning instruments, testing sound equipment, or practicing ear training. This app offers a clean, focused experience with no ads or accounts, working offline for instant reference.


Generate precise audio tones for sleep, focus, and relaxation. Explore a wide frequency range, shape waveforms, and access presets like Solfeggio frequencies. An optional Pro upgrade unlocks all features.


This app generates precise sine wave tones to help remove water and debris from your device's speakers. Easily adjust frequencies by swiping on the screen, and enjoy features like Apple Watch control and background operation. Premium subscribers gain access to advanced waveforms, unlimited sessions, and an ad-free experience.


Create a wide variety of sounds and signals with this easy-to-use wave form sound generator. Dynamically adjust sound signals in real time with multiple oscillators, wave forms, and precise frequency controls.


Generate sound waves from 1Hz to 40000Hz with various waveforms. Analyze audio frequencies, test hearing, and use for relaxation or speaker cleaning. Offers a sleep timer for peaceful rest.


Enhance sleep and focus with scientifically engineered sound frequencies. This app offers customizable modes for deep slumber and peak concentration, utilizing binaural and isochronic beats. Enjoy an intuitive interface and offline access to boost your well-being and productivity.


Generate a wide range of audio tones with adjustable frequencies and waveforms. Control playback in the background, from your notification drawer, or lock screen. The app automatically pauses for calls and alarms, and allows you to save custom presets.


Generate precise audio tones from 20 Hz to 20,000 Hz with various waveforms. Utilize binaural beats for meditation, sleep, and focus. Also includes a speaker cleaning function to improve audio quality.