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Octave RTA

Octave RTA

Real Time Sound Analyzer

150 ratings
145 reviews
#193 in paid Music
🔧 Utilities
🎵 Music
$9.99

Details

  • Released
  • Updated
  • October 20, 2012
  • November 19, 2018

Developer

ONYX 3
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Octave RTA video #1 for iPhone
Octave RTA screenshot #2 for iPhone
Octave RTA screenshot #3 for iPhone
iphone
ipad
📉no. 193
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📌Ready
Reviews summary↘︎
⭐145
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🔄6+ apps
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❓5 answered
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📦w/o updates
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About

This real-time audio analysis app provides precision measurement and visualization for sound. It's designed for musicians and recording engineers, but useful for anyone interested in sound, especially for room or speaker tuning.

✓Full, 1/3, and 1/6 Octave analysis
✓Adjustable FFT Size
✓Fast, Slow, and Infinite Averaging
✓Flat, A, and C weighted modes
✓Snapshot overlay for comparison
✓Lock mode for peak band tracking
Show original description

What users say

Summarized from real user reviews of Octave RTA. Based on 150 reviews and a 4.4/5 average, it highlights the 10 positives and 8 negatives reviewers mention most about this Music app.

Positive things

  • 🚀Accurate and precise measurements
  • 👍User-friendly interface
  • 💡Great tool for sound engineers
  • 💰Good value for money
  • ✅Works well for feedback detection
  • 🌟Professional-grade functionality
  • 📱Handy for on-the-go use
  • 👍Simple and effective
  • ✅Reliable and stable
  • ✨Visually pleasing design

Negative things

  • 🐛Screen flashing/blinking issue
  • 🐛Gain adjustment not working
  • 🐛Microphone permission issues
  • 🐛Lack of advanced features
  • 🐛Inconsistent performance across devices
  • 🐛Vertical scale fixed at 6dB/division
  • 🐛No instructions or help section
  • 🐛Can't play pink noise from Apple Music
See all reviews

What's New in Octave RTA

1.2.5

November 19, 2018

Thank you for helping us improve Octave RTA app! Please rate it on the App Store now, so we can make it even better! ● Toggle between Flat, A and C weighted modes ● Snapshot overlay for quick comparison (RTA module)

More

Charts

Top Paid

📉 193-29

Music

This app dropped -29 positions in Music chart.

Last updated on July 24, 2026.

User reviews

Most RecentHighest RatedLowest Rated

GOOD APP

Amazing
fatihayvazfatihayvaz

Aumentar resolução do gráfico

É ideal ter a opção de aumentar a resolução para 3db no gráfico
GSB87GSB87

Please please please!

Please add alternative input sound sources: audio via lightning for example.
And please please please - do a standalone mac app!
Best analyzer on the market, compared with tons ov vsts - they are simply not so good
Antonfirtich2Antonfirtich2

Fantastic App!!

One of my favourite apps of all time. I love it. I use it for work and playing around at home while listening to music.
Thankyou for an excellent app!👍
KnToadKnToad

Microphone permission inhibited by screen time app

Be advised that if you have Apple’s Screen Time app turned on it will not let you see this app in the microphone permission list. iPhone 6 IOS 14.6.
I am GodseyeI am Godseye
See 140 more reviews

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User experience

🐞

Reported Bugs

7 issues

Screen flashing/blinking on iPads

Bug

Gain slider not working on some devices

Bug

Microphone permission not appearing in settings

Bug

App not working on iOS 14.2

Bug

Display unstable and flashes wildly

Bug

Screen flashing when iPad is flipped 180 degrees

Bug

App flickering after updates

Bug
✨

Requested Features

22 requests

Increase graph resolution (e.g., to 3dB)

Feature

Alternative input sound sources (e.g., lightning audio)

Feature

Standalone Mac app

Feature

Alternative input sound sources (e.g., line in)

Feature

Ability to switch to line input

Feature

Save and manage frequency graphs as snapshots

Feature

Add a simple sine wave tone generator

Feature

Screen grab feature for graphs

Feature

Ability to record or save data with descriptions

Feature

Option to change display colors

Feature

More advanced features

Feature

Signal generator function

Feature

1/12th octave resolution

Feature

Ability to work with a higher range of dB

Feature

Zoom functionality for graphs

Feature

12th and 24th Oct smoothing

Feature

Ability to choose between line and mic inputs on external sound cards

Feature

Gain parameter control

Feature

Normalization or sensitivity adjustment

Feature

Higher resolution (e.g., 1/12 octave)

Feature

Save and manage held frequency graphs

Feature

Text description for screenshots

Feature

FAQ

What does Octave RTA do?

Octave RTA is a powerful real-time audio analysis application. It provides precision audio measurement and visualization, making it ideal for tasks like room tuning or speaker tuning. The app is designed for musicians and recording engineers but is also useful for anyone interested in understanding sound.

What are the key features of Octave RTA?

Key features include full, 1/3, and 1/6 octave analysis, adjustable FFT sizes, various averaging modes (Fast, Slow, Infinite), toggleable weighting modes (Flat, A, C), snapshot overlays for comparison, and a lock mode to auto-track peak bands.

Is Octave RTA free to use?

Yes, based on the provided information, Octave RTA is a free application. There are no mentions of in-app purchases or advertisements, suggesting it is entirely free to download and use.

Who would benefit from using Octave RTA?

This app is primarily designed for musicians and recording engineers who need to analyze sound in real-time. It's also beneficial for audiophiles, home theater enthusiasts, or anyone involved in acoustic treatments, room tuning, or speaker calibration.

What platforms is Octave RTA compatible with?

The application is designed for mobile devices, specifically mentioning 'iPhone X ready'. While the exact operating system isn't specified, it is available for iOS devices.