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Best Audio Frequency Generator Apps

249+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated September 2026

Out of 249+ audio frequency generator apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Audio Frequency Generator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audio Function GeneratorAudio Function GeneratorFree4.7★ (2.2K)NoYesSep 2026
2Tone Generator: Audio Sound HzTone Generator: Audio Sound HzFree4.7★ (2.6K)YesNoSep 2026
3Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoSep 2026
4Tone Generator: Frequency AppTone Generator: Frequency AppFree4.8★ (138)YesYesSep 2026
5Tone Generator EXTone Generator EXFree4.8★ (439)YesNoSep 2026
6Frequency Generator & AnalyzerFrequency Generator & AnalyzerFree—NoYesJun 2026
7FNam Frequency,Noise GeneratorFNam Frequency,Noise GeneratorFree—YesYesSep 2026
8Freq'n Awesome Tone GeneratorFreq'n Awesome Tone GeneratorFree—YesYesMay 2026

Top Picks for Audio Frequency Generator

Audio Function Generator#1

Audio Function Generator by Thomas Gruber

Frequency and Signal Generator
Editor's Choice
🔧 Utilities
4.7😐(2.2K ratings)
FreeIn-App Purchases
Audio Function Generator screenshot 1
Audio Function Generator screenshot 2
Audio Function Generator screenshot 3
Audio Function Generator screenshot 4
Audio Function Generator screenshot 5
Audio Function Generator screenshot 6

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.

What We Love

  • 👍 Great app
  • 🎶 Helps with Tinnitus
  • 💯 Best app I've paid for
  • 🔍 Highly recommended
  • 🎨 Attention to detail
  • 🔧 Useful for testing and calibrating
  • 🚀 Excellent functionality
  • 🤖 Intuitive interface
  • 🎛️ Comprehensive features

Room to Improve

  • 🐛 Crashes
  • 💰 Deceptive/Money hungry
  • 🔒 Basic features paywalled
  • 🔒 Limited without paying
  • 🔒 Removed functionality to push paid version
  • 🔒 Frequencies locked behind paywall
  • 🔋 High battery consumption
Tone Generator: Audio Sound Hz#2

Tone Generator: Audio Sound Hz by TMSOFT

Generate Audio Frequency Waves
Strong Contender
🎵 Music
4.7😊(2.6K ratings)
FreeAds
Tone Generator: Audio Sound Hz screenshot 1
Tone Generator: Audio Sound Hz screenshot 2
Tone Generator: Audio Sound Hz screenshot 3
Tone Generator: Audio Sound Hz screenshot 4
Tone Generator: Audio Sound Hz screenshot 5
Tone Generator: Audio Sound Hz screenshot 6

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.

What We Love

  • 👍 Simple and straightforward
  • 🚀 Works as expected
  • 💡 Useful for testing and tuning
  • 💡 Helps identify hearing range

Room to Improve

  • 🐛 Ads can interfere with usage
  • 🔧 Difficulty fine-tuning frequency
  • 🔧 No amplitude/volume display
  • 🔧 Limited functionality
Frequency: Sound Generator#3

Frequency: Sound Generator by Lucija Jaksic

Worth Considering
🔧 Utilities
4.7😊(340 ratings)
FreeAds
Frequency: Sound Generator screenshot 1
Frequency: Sound Generator screenshot 2
Frequency: Sound Generator screenshot 3

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.

What We Love

  • 👍 Simple and easy to use interface
  • 🎵 Accurate frequency generation
  • 💰 Free application
  • 🧘 Helpful for meditation and stress relief
  • 🔧 Multiple waveform options (sine, square, triangular, sawtooth)
  • 🎚️ Background operation capability
  • 🎯 Useful for audio calibration and testing
  • ⚡ No popup ads or payment walls

Room to Improve

  • 📢 Intrusive and inappropriate advertisements
  • 🔊 Potential audio damage to speakers/hearing
  • 🔒 Privacy concerns and data collection issues
  • 📱 UI elements off-screen on compact devices
  • 🎚️ Difficult frequency selection with slider
  • 🚫 No AirPlay support
  • ⏸️ App closes when switching to other apps
  • 😤 Pushy review request prompts

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FAQ about Audio Frequency Generator

What are the best audio frequency generator apps for iPhone?
Audio Function Generator tops our audio frequency generator apps ranking as of September 2026, with a 4.7-star average from 2.2K App Store ratings, and it's free to download.
Yes — 18 of the top audio frequency generator apps we rank are free to download, including Audio Function Generator and Tone Generator: Audio Sound Hz.
Audio Function Generator has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ audio frequency generator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a powerful and intuitive tone and signal generator. It allows users to create and play various audio test tones, including sine, rectangular, triangular, and sawtooth waves. You can also generate frequency and volume sweeps, experiment with different types of noise, and save custom presets for quick access.
Key features include the ability to play standard test tones, perform frequency and volume sweeps, generate various noise types, and create/save custom presets. Advanced features, available with a PRO upgrade, extend the frequency range, sweep times, allow for individual channel selection, and enable multi-tone playback.