Audio RTA: Spectrum Analyzer
dB meter & tone generator
About
Visualize live sound spectrums, identify frequency peaks, and test audio equipment with this practical toolkit. Ideal for musicians and sound technicians, it offers real-time analysis and a frequency generator.
What's New in Audio RTA
1.0.14
November 3, 2026
Improved the iPad dashboard to display tools in three columns, while keeping the two-column layout on iPhone.
Subscriptions & In-App Purchases
$10.99
Audio Analyzer RTA Pro
Lifetime access to Pro audio tools.
Developer apps
FAQ
What is Audio RTA?
Audio RTA is a mobile application that provides real-time sound spectrum analysis and a frequency generator. It helps musicians and sound technicians visualize sound frequencies, test speakers, and analyze audio systems.
Does Audio RTA have ads?
No, Audio RTA does not contain advertisements. The app offers a free basic version and an optional Pro version available as a one-time purchase.
What are the Pro features in Audio RTA?
Audio RTA Pro unlocks advanced tools such as a waterfall/spectrogram, third-octave bands, manual dB offset, and export options for PNG/CSV files. It also includes pink noise and advanced waveforms.
How much does Audio RTA Pro cost?
The price for Audio RTA Pro is available on the app store and is a one-time purchase for lifetime access to advanced features. This purchase requires an internet connection.
What devices does Audio RTA support?
Audio RTA is supported on iPhone, iPad, and iPod devices. It utilizes your device's microphone for measurements, so performance can vary based on hardware.
How often is Audio RTA updated?
The latest version of Audio RTA is 1.0.14, and it was last updated on November 3, 2026. Updates typically include bug fixes and feature enhancements.
Can Audio RTA be used for certified sound calibration?
No, Audio RTA is not a certified sound-level meter and cannot provide calibrated loudspeaker frequency response measurements. Manual dB offset can align readings to a reference meter but does not offer certified calibration.
What is the age rating for Audio RTA?
Audio RTA has an age rating of 4+. This indicates it is suitable for general audiences and does not contain content typically restricted for younger users.
