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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 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

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

Book rental cars, including SUVs and electric vehicles, for business or vacation. Reserve, modify, and review bookings quickly. Access exclusive offers and rewards for a streamlined 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

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.

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

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition
🔧 Utilities
(36K)
freemium
5
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Clear Sound Wave Generator
Free

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.

Adjustable sine, square, triangle, and sawtooth waveformsPrecise frequency control from 0Hz to 25kHzWave visualization
🔧 Utilities
(1.8K)
subscription
6
Frequency Sound Generator App
Frequency Sound Generator App
Frequency Sound Generator App
High Pitch Sound Generator
Free

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.

Frequency range 1Hz to 25,000HzWave visualizationAdjustable sensitivity
🔧 Utilities
(4.8K)
subscription
7
Moongate: Binaural Beats
Moongate: Binaural Beats
Moongate: Binaural Beats
Sleep Frequency Healing Sounds
Free

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.

Verified binaural beatsAdjustable frequency intensitySolfeggio music
🎵 Music
(57K)
free with in-app purchases
8
Frequency: Healing Sounds
Frequency: Healing Sounds
Frequency: Healing Sounds
Heal Naturally, Inner Harmony
Free

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.

Full body healing & DNA repairRestorative sleep supportGentle relief for body pain
💪 Health & Fitness
(2.3K)
free with in-app purchases
9
Clear Wave
Clear Wave
Clear Wave
Decibel meter, hz speaker test
Free

Test your device's audio output and microphone functionality. This app plays specific frequencies and measures decibel levels to help identify speaker issues or microphone obstructions. Upgrade for unlimited testing and an ad-free experience.

Speaker sound testingDecibel meterHertz frequency testing
🎵 Music
(34K)
freemium
10
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Generate Audio Frequency Waves
Free

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 sine wave tonesFrequency range 20Hz - 22,000HzInstrument tuning
🎵 Music
(2.6K)
ad-supported
11
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Tone generator, Sound Therapy
Free

This app generates specific sound frequencies and vibrations designed for healing and well-being. Explore tones for pain relief, stress reduction, emotional balance, and spiritual connection. Enhance meditation and promote overall health with targeted sound therapy.

Pain and stress relief frequencies (174 Hz)Tissue and organ healing frequencies (285 Hz)Emotional liberation frequencies (396 Hz)
🌟 Lifestyle
(1.4K)
subscription
12
Brainwaves -- Binaural Beats
Brainwaves -- Binaural Beats
Brainwaves -- Binaural Beats
Brain Performance & Balance
Free

This app uses precision-engineered binaural beats and isochronic tones to synchronize neural oscillations for enhanced brain performance, clarity, and recovery. It offers a spectrum of frequencies for focus, sleep, health, and spiritual exploration.

Binaural Beats & Isochronic TonesTargeted Brainwave Frequencies (Delta to Gamma)Performance & Flow State Enhancement
📊 Productivity
(3.2K)
free with in-app purchases
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

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
🔧 Utilities
(156K)
free with in-app purchases
15
Audio Function Generator
Audio Function Generator
Audio Function Generator
Frequency and Signal Generator
Free

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 sine, square, triangle, and sawtooth tonesFrequency and volume sweep generationNoise generation (white, pink, violet, etc.)
🔧 Utilities
(2.1K)
free with in-app purchases
16
Sonic Racing
Sonic Racing
Sonic Racing
Super Speed Racing
Free

Experience high-speed multiplayer racing with iconic characters from the Sonic universe. Collect power-ups, set traps, and attack rivals across numerous tracks. Choose your play mode, build a team with unique abilities, and utilize helpful Wisps to gain an advantage.

Multiplayer racing15 playable charactersPower-ups and traps
🎮 Games
(63K)
free
17
High Frequency Sounds
High Frequency Sounds
High Frequency Sounds
by Leafgreen
Free

Explore a range of high-frequency sounds, generated by rapid sound wave vibrations. This app can be used to test hearing abilities, as sensitivity to high pitches often decreases with age. Discover how well you or others can perceive these distinct noises.

Listen to high frequency soundsTest hearing abilitiesUnderstand sound wave frequencies
🎬 Entertainment
(33)
free
18
Sonic Dream Team
Sonic Dream Team
Sonic Dream Team
3D Prime Adventure
Free

Embark on a thrilling 3D adventure with Sonic and friends in a bizarre dream world. Explore new zones, uncover secrets, and battle the infamous Eggman using unique character abilities. Experience mind-bending levels with dynamic gameplay mechanics to rescue your friends and control a powerful artifact.

Explore new Sweet Dreams ZoneUncover Dream MoonsDiscover new toys and gameplay mechanics
🎮 Games
(24K)
paid
19
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

Octave Band Real Time AnalyzerFFT Plot (Fast Fourier Transform)Sound level meter (dB meter)
🎵 Music
(236)
free with in-app purchases
20
Clean Tune - Speaker Cleaner
Clean Tune - Speaker Cleaner
Clean Tune - Speaker Cleaner
Decibel dB Sound Level Meter
Free

This app helps clean your phone's speakers from water with a single button press. It also measures the current noise level and allows you to play sounds of specific frequencies.

Speaker cleaning from waterPlay specific sound frequenciesMeasure current noise level
🔧 Utilities
(8.2K)
freemium

Related searches

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