237+ iOS apps curated and reviewed
Looking for free frequency sound generator tone apps? 19 of our 237+ 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 $0.99 | 4.3★ (12) | No | No | Aug 2026 |
| 2 |  | Free | 4.7★ (340) | Yes | No | Sep 2026 |
| 3 |  | Free | 4.7★ (2.6K) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.5★ (4.8K) | Yes | Yes | Sep 2026 |
| 5 |  | Free | 4.8★ (138) | Yes | Yes | Sep 2026 |
| 6 |  | Free | 4.7★ (595) | No | Yes | Sep 2026 |
| 7 |  | Free | 3.0★ (1) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (355) | No | Yes | Aug 2026 |
Generate pure sine wave tones across a wide frequency range for various applications. Use it for speaker testing, instrument tuning, hearing assessments, or creating unique sound experiments. Explore frequencies from 1Hz up to 25kHz with intuitive controls.
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.
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 audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.
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 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 a wide range of audio test tones, including sine, rectangular, triangular, and sawtooth waves. Explore frequency sweeps, noise generation, and customizable settings. Upgrade for advanced features like creating multiple tone combinations and extended frequency ranges.
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.
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.
Create various audio signals, including single tones, sweeps, and merged sounds, with extensive parameter control. Ideal for students, musicians, educators, and audio professionals exploring sound.
Generate precise audio frequencies for various purposes, from tuning instruments to cleaning water from speakers. Explore different waveforms and customize sound generation for unique audio experiences. Elevate your audio quality and functionality.
Create various periodic signals with adjustable frequency and amplitude for testing electronic circuits or tuning instruments. Features include a metronome, a real-time tuner, and options for generating different noise types and tone sequences. It also offers unique features for hearing tests and party games.
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.
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.
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.
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 simple shape sounds with adjustable frequencies. This tool can be used for hearing tests, cleaning smartphone speakers, or experimenting with audio.
This app allows users to generate various audio tones and test speaker performance. It offers automatic and manual frequency sweeps, different wave modes, and stereo/mono options for comprehensive audio exploration and device verification.