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Best Ultrasonic Sound Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Frequency Sound Generator App is the household name in ultrasonic sound, but it's far from the only option. We track 250+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Ultrasonic Sound Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency Sound Generator AppFrequency Sound Generator AppFree4.5β˜… (4.8K)YesYesSep 2026
2Dog Repellent - 3D Sound PRODog Repellent - 3D Sound PROFree3.6β˜… (254)NoYesSep 2026
3Sonic Pitch Sound GeneratorSonic Pitch Sound GeneratorFree4.5β˜… (1.8K)YesYesSep 2026
4Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7β˜… (340)YesNoSep 2026
5Sound SurgeSound SurgeFreeβ€”β€”NoAug 2026
6ClearTone: Sound AmplifierClearTone: Sound AmplifierFreeβ€”NoYesSep 2026
7Frequency AnalyzerFrequency AnalyzerFree4.5β˜… (166)NoYesSep 2026
8Fix: Water Eject Speaker CleanFix: Water Eject Speaker CleanFree4.6β˜… (721)YesYesSep 2026

Top Picks for Ultrasonic Sound

Frequency Sound Generator App#1

Frequency Sound Generator App by Min Ku

High Pitch Sound Generator
Editor's Choice
πŸ”§ Utilities
4.5😊(4.8K ratings)
FreeAdsIn-App Purchases
Frequency Sound Generator App screenshot 1
Frequency Sound Generator App screenshot 2
Frequency Sound Generator App screenshot 3
Frequency Sound Generator App screenshot 4
Frequency Sound Generator App screenshot 5
Frequency Sound Generator App screenshot 6

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.

What We Love

  • πŸ‘ Helpful for tinnitus
  • πŸš€ Accurate frequency generation
  • πŸŽ‰ Great for meditation and relaxation
  • πŸ’‘ Useful for testing speaker systems
  • πŸ” Ability to test hearing range

Room to Improve

  • πŸ› Difficulty adjusting precise frequencies
  • πŸ”Š Extremely high frequencies can be painful
  • πŸ”‹ Stops playing when screen is locked
  • πŸ“’ Excessive ads
  • πŸ€” Mosquito repellent feature not effective
Dog Repellent - 3D Sound PRO#2

Dog Repellent - 3D Sound PRO by Mihai Ghiserel

Ultrasonic Pet/Pest Repeller!
Strong Contender
🌟 Lifestyle
3.6😐(254 ratings)
FreeIn-App Purchases
Dog Repellent - 3D Sound PRO screenshot 1
Dog Repellent - 3D Sound PRO screenshot 2
Dog Repellent - 3D Sound PRO screenshot 3

This application uses advanced 3D audio technology and adjustable ultrasonic frequencies to deter aggressive stray dogs and other animals. It can also be used for positive reinforcement training to curb unwanted pet behaviors like excessive barking or chewing.

What We Love

  • βœ… Effective at stopping dog barking when it works
  • 🎚️ Adjustable frequency settings for different dogs
  • πŸ›‘οΈ Provides sense of safety during walks and outdoor activities
  • ⚑ Easy to use - simple button interface
  • 🐱 Works on other animals (cats, raccoons)
  • πŸ“± Works offline without internet connection
  • πŸ”Š Can be amplified with external speakers for better range

Room to Improve

  • ❌ Inconsistent effectiveness - doesn't work for many users
  • πŸ“΅ Doesn't work when phone screen is locked
  • πŸ“’ Excessive ads interrupting functionality
  • 🎯 Ineffective on aggressive or large dog breeds
  • πŸ”„ Dogs can become desensitized over time
  • ⚠️ Can affect human hearing (children and adults)
  • πŸ’° Users report wasting money on ineffective app
  • πŸ“– Lacks clear instructions for proper use
  • πŸ”Œ Incompatible with AirPlay and some audio outputs
Sonic Pitch Sound Generator#3

Sonic Pitch Sound Generator by θŒ‚εˆ© ηŽ‹

Clear Sound Wave Generator
Worth Considering
πŸ”§ Utilities
4.5😊(1.8K ratings)
FreeAdsIn-App Purchases
Sonic Pitch Sound Generator screenshot 1
Sonic Pitch Sound Generator screenshot 2
Sonic Pitch Sound Generator screenshot 3
Sonic Pitch Sound Generator screenshot 4
Sonic Pitch Sound Generator screenshot 5
Sonic Pitch Sound Generator screenshot 6

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.

What We Love

  • πŸ‘ Simple and easy to use
  • πŸš€ Precise tone generation
  • πŸ’‘ Useful for testing audio equipment
  • πŸ’‘ Helpful for tinnitus sufferers
  • πŸ’‘ Effective for repelling mosquitoes and annoying people

Room to Improve

  • πŸ› Sensitive slider makes it difficult to dial in precise frequencies
  • πŸ” Lack of instructions on which frequencies to use for specific purposes
  • πŸ“’ Intrusive and frequent ads
  • πŸ”‹ Ads can cause app crashes and drain battery
  • 🚫 Limited free functionality, requires payment to remove ads

More Ultrasonic Sound apps to explore

FAQ about Ultrasonic Sound

What are the best ultrasonic sound apps for iPhone?
Frequency Sound Generator App tops our ultrasonic sound apps ranking as of September 2026, with a 4.5-star average from 4.8K App Store ratings, and it's free to download.
Yes β€” 20 of the top ultrasonic sound apps we rank are free to download, including Frequency Sound Generator App and Dog Repellent - 3D Sound PRO.
Frequency Sound Generator App shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ ultrasonic sound apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app generates sound frequencies ranging from 1Hz up to 25,000Hz. It offers a simple user interface for adjusting tones, visualizing waveforms, and includes features like adjustable sensitivity and multiple waveform types. It can be used for hearing tests, pet training, or as a prank tool.
Key features include a wide frequency range (1Hz to 25,000Hz), precise control with logarithmic and linear slider modes, adjustable sensitivity, and the ability to generate multiple waveforms such as Sine, Square, Sawtooth, and Triangle. It also provides direct frequency checking with professional wave visualization.