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Best Audio Calibration Apps

250+ iOS apps curated and reviewed

4.1 avg rating
16 free apps
Updated October 2026

If you already know THX tune, this is the deeper bench. 250+ audio calibration apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Audio Calibration Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1THX tune-up™THX tune-up™Free3.7★ (147)NoNoOct 2026
2Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesOct 2026
3HouseCurveHouseCurveFree4.7★ (264)NoYesOct 2026
4KRK Audio ToolsKRK Audio ToolsFree4.1★ (40)NoNoOct 2026
5AudioTools, dB, Sound & AudioAudioTools, dB, Sound & Audio$19.994.8★ (5.1K)NoYesOct 2026
6Sound CalibratorSound CalibratorFree—NoNoMay 2026
7HAA CinemaTools with HAA LinkHAA CinemaTools with HAA LinkFree5.0★ (1)NoYesNov 2026
8Decibel Meter & Sound SpectrumDecibel Meter & Sound SpectrumFree—NoYesOct 2026

Top Picks for Audio Calibration

THX tune-up™#1

THX tune-up™ by THX Ltd.

Editor's Choice
🔧 Utilities
3.7😐(147 ratings)
Free
THX tune-up™ screenshot 1
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Optimize your home theater setup with custom video and audio tests. This app guides you through adjusting picture settings like brightness and color, and verifies speaker connections for immersive sound.

What We Love

  • 👍 Great for calibrating TV picture
  • 🚀 Easy to use
  • 💡 Useful for novice and enthusiast users
  • 🔊 Good for audio calibration
  • 🎥 Helpful test patterns and videos

Room to Improve

  • 🐛 Crashes on newer iOS versions
  • 🔧 Limited functionality without HDMI connection
  • 🔍 Inaccurate color calibration
  • 🔇 Limited audio calibration options
  • 🕰️ App hasn't been updated in years
Audio Spectrum Analyzer dB RTA#2

Audio Spectrum Analyzer dB RTA by Marina Polyanskaya

Sound frequency, decibel meter
Strong Contender
🎵 Music
4.5😐(3K ratings)
FreeIn-App Purchases
Audio Spectrum Analyzer dB RTA screenshot 1
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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
  • 📊 Inaccurate frequency tracking in some modes
HouseCurve#3

HouseCurve by Greg Wilding

Simple audio system tuning
Worth Considering
🔧 Utilities
4.7😊(264 ratings)
FreeIn-App Purchases
HouseCurve screenshot 1
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HouseCurve screenshot 5

This app provides a suite of tools for tuning audio systems, including room correction, equalizer adjustments, and subwoofer phase setting. It measures in-room frequency response and can generate filter settings for various audio systems. It's suitable for home and car audio enthusiasts looking to optimize their sound.

What We Love

  • 👍 Easy to use and setup
  • 💰 Great value for money
  • 🔊 Significantly improves sound quality
  • 📱 Utilizes iPhone microphone effectively
  • 🔌 Compatible with various EQ software (e.g., Equalizer APO, Roon)
  • 💡 Simple yet effective analysis
  • 🚀 Fast and efficient operation
  • ✅ Works well for manual EQ
  • 🎯 Fixes bass dips and room issues
  • 📚 Excellent documentation and tutorials
  • 🎧 Supports external microphones (e.g., UMIK-1, Dayton OmniMic)
  • ✨ Transforms listening experience
  • 📈 Helpful for understanding room acoustics
  • 🔧 Useful for calibrating subwoofers and speakers

Room to Improve

  • 🐛 Unreliable connection issues
  • 🐛 Frequent crashes or bugs
  • 🐛 App asks to upgrade after purchase
  • 🐛 Bluetooth connectivity issues
  • 🐛 Sweep tone not detected
  • 🐛 EQ not changing graph
  • 🐛 Airplay connection unreliable
  • 🐛 iPad performance differs from iPhone
  • 🐛 Interface can be cumbersome (free version)
  • 🐛 Static EQ frequencies limit DSP application
  • 🐛 No Q value for EQ frequencies
  • 🐛 Need to reset phone frequently
  • 🐛 Volume too high can damage speakers
  • 🐛 Free version has limitations

More Audio Calibration apps to explore

FAQ about Audio Calibration

What are the best audio calibration apps for iPhone?
THX tune-up™ tops our audio calibration apps ranking as of October 2026, with a 3.7-star average from 147 App Store ratings, and it's free to download.
Yes — 16 of the top audio calibration apps we rank are free to download, including THX tune-up™ and Audio Spectrum Analyzer dB RTA.
THX tune-up™ has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ audio calibration apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.