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Best Hrtz Apps & Games

222+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated June 2026

Whether you're new to hrtz or looking for an upgrade, our curated collection of 222+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Hrtz

Frequency: Sound Generator#1

Frequency: Sound Generator by Lucija Jaksic

Editor's Choice
🔧 Utilities
4.7😊(340 ratings)
FreeAds
Frequency: Sound Generator screenshot 1
Frequency: Sound Generator screenshot 2
Frequency: Sound Generator screenshot 3

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.

What We Love

  • 👍 Simple and easy to use interface
  • 🎵 Accurate frequency generation
  • 💰 Free application
  • 🧘 Helpful for meditation and stress relief

Room to Improve

  • 📢 Intrusive and inappropriate advertisements
  • 🔊 Potential audio damage to speakers/hearing
  • 🔒 Privacy concerns and data collection issues
Hertz Rental Car, SUV, Van#2

Hertz Rental Car, SUV, Van by The Hertz Corporation

Rent a car or van worldwide
Strong Contender
✈️ Travel
4.8😞(511K ratings)
FreeAds
#45in Travel
Hertz Rental Car, SUV, Van screenshot 1
Hertz Rental Car, SUV, Van screenshot 2
Hertz Rental Car, SUV, Van screenshot 3
Hertz Rental Car, SUV, Van screenshot 4
Hertz Rental Car, SUV, Van screenshot 5
Hertz Rental Car, SUV, Van screenshot 6

This application allows users to easily book a variety of rental cars, including electric cars, SUVs, vans, and more, with convenient features like quick reservations, modifications, and exclusive rewards. Save time and hassle by downloading the app for a seamless car rental experience.

What We Love

  • 🚀 Easy to book
  • 👍 Good app
  • 🚀 Simple and fast
  • 👍 Online booking

Room to Improve

  • 🐛 App not working
  • 🐛 App unable to find cars
  • 🐛 App not allowing changes to reservations
Sonic | Water Eject#3

Sonic | Water Eject by VonBruno LLC

Water Eject Speaker Cleaner hz
Worth Considering
🎵 Music
4.7😊(19K ratings)
FreeAdsIn-App Purchases
Sonic | Water Eject screenshot 1
Sonic | Water Eject screenshot 2
Sonic | Water Eject screenshot 3
Sonic | Water Eject screenshot 4
Sonic | Water Eject screenshot 5
Sonic | Water Eject screenshot 6

Clean your iPhone speakers with Sonic, a tone generator app that removes water and enhances sound quality. Adjust frequency easily by swiping, from 0 Hz to 25 kHz. Upgrade for limitless sessions, unique waveforms, presets, and an ad-free experience. Terms of Use: [Link].

What We Love

  • 🚀 Works great for water ejection
  • 🔧 Effectively removes water from speakers
  • 👍 Saved phones from water damage
  • 💡 Useful for tuning instruments and sound healing

Room to Improve

  • 🔒 Premium features now behind paywall
  • 💰 Subscription model too expensive
  • 🔇 Ads interfere with usability

More Hrtz apps to explore

4
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

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.

🔧 Utilities
(36K)
5
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Clear Sound Wave Generator
Free

Generate custom sine tones with precise frequency control using this sound generator app. Adjust frequencies by swiping, visualize waves professionally, and utilize it for various purposes such as driving away insects, training pets, or pranking friends. Download now for a handy tool at your fingertips!

🔧 Utilities
(1.8K)
6
Frequency Sound Generator App
Frequency Sound Generator App
Frequency Sound Generator App
High Pitch Sound Generator
Free

This app is a Frequency Sound Generator that can produce sound frequencies from 1Hz to 25,000Hz for various purposes such as annoying pets, training dogs, stopping dog barking, pranking friends, and using as a mosquito repellent. Adjust frequencies easily and get in touch via email for support.

🔧 Utilities
(4.8K)
7
Moongate: Binaural Beats
Moongate: Binaural Beats
Moongate: Binaural Beats
Sleep Frequency Healing Sounds
Free

Experience brainwave healing frequencies with Moongate's binaural beats music app. Enhance focus, relaxation, and meditation through customized sound sessions. Download now for a balanced mind and body.

🎵 Music
(56K)
8
Frequency: Healing Sounds
Frequency: Healing Sounds
Frequency: Healing Sounds
Heal Naturally, Inner Harmony
Free

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.

💪 Health & Fitness
(2.3K)
9
Clear Wave
Clear Wave
Clear Wave
Decibel meter, hz speaker test
Free

An app for testing your speakers and microphone by playing sounds and measuring decibels and hertz output. Subscription-based with various pricing options available. Explore the app to fine-tune your audio devices today!

🎵 Music
(34K)
10
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Generate Audio Frequency Waves
Free

Generate pure sine wave tones at various frequencies for purposes like tuning instruments, hearing tests, and audio equipment testing. Easily adjust frequencies, volume, and output options with user-friendly controls. Created by audio experts at TMSOFT. Explore more apps at http://www.tmsoft.com/.

🎵 Music
(128)
11
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Tone generator, Sound Therapy
Free

Experience the power of Frequency Healing Sounds Hertz – a tone generator app designed to promote relaxation and well-being through a variety of soothing frequencies. Enhance your mental and physical wellness with this innovative sound therapy tool.

🌟 Lifestyle
(1.4K)
12
Brainwaves -- Binaural Beats
Brainwaves -- Binaural Beats
Brainwaves -- Binaural Beats
Brain Performance & Balance
Free

Experience enhanced focus and relaxation with Brainwaves, a unique application that utilizes binaural beats and sleep sounds to improve concentration and aid in restful sleep. Enhance your productivity and sleep quality today.

📊 Productivity
(3.2K)
13
HRTZ Sticker Pack
HRTZ Sticker Pack
HRTZ Sticker Pack
Hearts for photos
Free
💌 Stickers
(0)
14
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

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.

🔧 Utilities
(156K)
15
Audio Function Generator
Audio Function Generator
Audio Function Generator
Frequency and Signal Generator
Free

Discover an exceptional Function Generator App with a wide array of features for generating test tones, frequency sweeps, volume sweeps, and more. From playing music tones to custom presets and advanced settings available in the PRO version, this app offers an intuitive and powerful audio experience. Visit the tutorial page at www.ee-toolkit.com/audio-function-generator and explore its capabilities today!

🔧 Utilities
(2.1K)
16
Sonic Racing
Sonic Racing
Sonic Racing
Super Speed Racing
Free

Experience thrilling multiplayer racing with Sonic and friends in the ultimate speed challenge. Choose from 15 characters, collect power-ups, and strategize to outpace rivals on 15 dynamic tracks. Join single-player, multiplayer, or global races, create teams with unique abilities, and unlock rewards by completing challenges. Get ready to race - it's time to speed ahead!

🎮 Games
(63K)
17
High Frequency Sounds
High Frequency Sounds
High Frequency Sounds
by Leafgreen
Free

Listen to various high frequency sounds and test your hearing abilities! Explore how age affects your capacity to detect high pitched noises with these fast sound wave vibrations.

🎬 Entertainment
(33)
18
Sonic Dream Team
Sonic Dream Team
Sonic Dream Team
3D Prime Adventure
Free

Join Sonic and friends in an action-packed adventure to save their friends and battle Eggman in Sonic Dream Team! Explore new levels, master unique abilities, and race through mind-bending dream worlds to complete missions, fight bosses, and collect toys of your favorite Sonic characters.

🎮 Games
(24K)
19
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

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!

🎵 Music
(236)
20
Clean Tune - Speaker Cleaner
Clean Tune - Speaker Cleaner
Clean Tune - Speaker Cleaner
Decibel dB Sound Level Meter
Free

Clean Tune - Speaker Cleaner is a user-friendly app offering sound frequency playback and speaker cleaning with a single button press. It also includes a noise level meter feature. Explore professional access through auto-renewing subscriptions. Terms of Service and Privacy Policy available.

🔧 Utilities
(8.2K)

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