Best Audio Tool Apps

233+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our audio tool list covers 233+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Audio Tool

Decibel X:dB Sound Level Meter#1

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.7😐(156K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

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.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
SoundLab - Audio Editor#2

SoundLab - Audio Editor by 孛 刘

audacity, mixer, music studio.
Strong Contender
🎵 Music
4.6😊(13K ratings)
FreeIn-App Purchases
SoundLab - Audio Editor screenshot 1
SoundLab - Audio Editor screenshot 2
SoundLab - Audio Editor screenshot 3
SoundLab - Audio Editor screenshot 4
SoundLab - Audio Editor screenshot 5
SoundLab - Audio Editor screenshot 6

This app provides desktop-grade audio editing tools on your mobile device. It features a multi-track editor with numerous effects, an AI vocal separator, and a robust audio recorder. It's designed for music and podcast creators needing a convenient, on-the-go solution.

What We Love

  • 🚀 AMAZING EXPERIENCE
  • 👍 Easy to use and simple layout
  • 🚀 Exactly what I was looking for
  • 👍 Great app for creating recordings

Room to Improve

  • 🐛 Doesn't separate two vocals
  • 🐛 Pitch change issues
  • 🐛 Saving issues
Audio Spectrum Analyzer dB RTA#3

Audio Spectrum Analyzer dB RTA by Marina Polyanskaya

Sound frequency, decibel meter
Worth Considering
🎵 Music
4.5😐(3K ratings)
FreeIn-App Purchases
Audio Spectrum Analyzer dB RTA screenshot 1
Audio Spectrum Analyzer dB RTA screenshot 2
Audio Spectrum Analyzer dB RTA screenshot 3

Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.

What We Love

  • 🚀 Excellent audio analysis tool
  • 👍 Clean and intuitive interface
  • 💡 Customizable frequency range
  • 🔍 Accurate real-time spectrum visualization

Room to Improve

  • 🐛 Compatibility issues with newer iOS versions
  • 🔁 Constant prompts to upgrade to Pro version
  • 🔌 High battery consumption

More Audio Tool apps to explore

4
iAudioTool
iAudioTool
iAudioTool
by Julian Bunn
$2.99

This app provides advanced audio analysis tools for professionals and enthusiasts. It includes features like RT60, SPL metering, spectrum analysis, and signal generation to help you understand and optimize sound environments. Calibration features ensure accurate measurements for various audio applications.

RT60 measurementSPL meterSpectrum analyzer
🎵 Music
(11)
paid
5
KRK Audio Tools
KRK Audio Tools
KRK Audio Tools
Tools suite for monitor tuning
Free

This application offers a suite of professional tools designed to optimize your studio monitor setup. It includes features for real-time frequency analysis, level calibration, EQ recommendations, and precise monitor alignment for an enhanced listening experience.

Spectrum RTA for real-time frequency analysisLevel Meter for monitor calibrationEQ Recommendation for room optimization
🎵 Music
(40)
free
6
Audio Editor - Music Mixer
Audio Editor - Music Mixer
Audio Editor - Music Mixer
Ringtone Maker & MP3 Converter
Free

Easily cut, mix, and edit audio files to create custom ringtones and explore advanced audio effects. This tool supports various import/export methods and includes features like noise reduction and vocal manipulation.

Professional music clipping and mergingAdd audio effects (EQ, tempo, normalizer)Simple music stitching and mixing
🎵 Music
(11K)
free with in-app purchases
7
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
RTA, Acoustics Measurement SPL
$19.99

This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.

SPL Meter with A/C weightingReal Time Analyzer (RTA)Fast Fourier Transform (FFT) analysis
🎵 Music
(5K)
free with in-app purchases
8
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
9
Stemz: remover vocal audio pro
Stemz: remover vocal audio pro
Stemz: remover vocal audio pro
music editor maker voice logic
Free

Edit, remix, and manipulate audio tracks with powerful tools. Isolate vocals or instruments, change tempo, and create mashups. Ideal for musicians, DJs, and music lovers seeking creative audio control.

Vocal removerInstrument isolationMusic speed changer
🎵 Music
(16K)
free with in-app purchases
10
BandLab – Music Maker & Beats
BandLab – Music Maker & Beats
BandLab – Music Maker & Beats
AI Music Tools, Editor & DAW
Free

Create music on the go with this free app. Record vocals, make beats, and mix demos using a mobile DAW. Collaborate with others and access exclusive AI tools and distribution opportunities with an optional membership.

Virtual instruments and audio presetsAI music generatorAuto-tune vocals
🎵 Music
(489K)
freemium
11
Audio Editor & Tool
Audio Editor & Tool
Audio Editor & Tool
Edit Sound Files
Free

This app allows you to import audio files from your device, then cut, trim, and insert silence or other audio. It also offers advanced features like source separation for vocals and accompaniment, song mixing, and a variety of audio effects. Finally, export your edited audio in various formats and sample rates.

Import audio from Music or FilesCut, trim, and insert silenceSeparate vocals and accompaniment
🎵 Music
(80)
free with in-app purchases
12
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
13
Audio Editor - Music editor
Audio Editor - Music editor
Audio Editor - Music editor
reverb, equalizer, song maker
Free

This app offers a comprehensive suite of tools for editing and enhancing audio. Easily splice, mix, record, and manipulate audio with features like pitch shifting, reverb, and a 10-band equalizer. It also includes advanced functions like noise reduction and format conversion.

Splicing and sound mixingAudio recording with accompanimentPlayback speed adjustment
🎵 Music
(29K)
free with in-app purchases
14
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Audio frequency visualizer
Free

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

Sound level meterMultichannel harmonic analysisAdjustable graphics
🎵 Music
(192)
freemium
15
Audio Tools
Audio Tools
Audio Tools
Audio Editor Recorder
Free

This app offers comprehensive audio editing capabilities, including cutting, merging, format conversion, and playback speed adjustment. It also features a built-in recorder and a local file server for easy file management. Advanced tools allow for accompaniment creation and noise reduction.

Cut, copy, paste, fade in/out audioMerge multiple audio filesAdjust playback speed
🔧 Utilities
(0)
free with in-app purchases
16
EchoEnglish–Audio Replay Tool
EchoEnglish–Audio Replay Tool
EchoEnglish–Audio Replay Tool
Auto-Split & Lossless Speed
Free

This app automatically splits audio and video into sentences with subtitles, allowing for precise listening practice. It features customizable AB repeat with voice comparison and high-fidelity variable-speed playback for focused study.

Auto-sentence splitting with subtitlesCustomizable AB repeat with voice comparisonHigh-fidelity variable-speed playback
📚 Education
(138)
free with in-app purchases
17
Music Mastering: AudioMaster
Music Mastering: AudioMaster
Music Mastering: AudioMaster
Fix & Edit Sound, Music Studio
Free

Enhance and maximize the volume of your audio recordings with an AI-powered algorithm. This app offers adjustable equalizers, genre-specific presets, and the ability to create AI videos and Reels. Export your mastered audio in various formats for professional-sounding results.

AI audio mastering6-band adjustable equalizerGenre-specific EQ presets
🎵 Music
(2.6K)
free with in-app purchases
18
Audio Tools-Db Sound & Audio
Audio Tools-Db Sound & Audio
Audio Tools-Db Sound & Audio
Audio noise Spectrum Analyzer
Free
🔧 Utilities
(0)
19
Speaker Tools – Audio Test
Speaker Tools – Audio Test
Speaker Tools – Audio Test
Tone Generator & Audio Tools
Free

This audio utility generates tones and explores sound frequencies using your device's speakers. It offers low-frequency playback, a wide frequency generator, and stereo channel signals for listening and basic audio testing.

Low-frequency tone playbackFrequency generator (20 Hz – 20 kHz)Stereo speaker channel playback
📊 Productivity
(3)
subscription
20
AudioStretch
AudioStretch
AudioStretch
Music Transcription Tool
$9.99

This tool allows musicians to slow down, loop, and transpose music from audio or video files. It's designed to help users learn songs by ear, experiment with sounds, or simply explore their music library in new ways.

Import audio or video filesCapture video with phone cameraChange speed without changing pitch
🎵 Music
(200)
paid

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