Morlet: Spectrum & Wavelets
Live sound and pitch analyzer
About
Visualize sound in real-time with detailed frequency and time analysis. Explore audio from recordings or your microphone, identify notes, harmonics, and rhythm. Customize the display and export your findings.
What's New in Morlet
1.2
October 29, 2026
• A new look: Morlet is redesigned like a lab notebook, in ink on clean white with a single ochre accent, a serif title and graph-paper gridlines. • Dark mode in matte black, or have Morlet follow your system setting. • Pick your own accent color. • New graph colors: Ink (the new default), Sepia and Custom, where you choose the colors yourself. Inferno, Grayscale and the original Neon are still there. • A new app icon: an actual Morlet wavelet, traced in ink. • iPad support, with the analysis settings beside the graph on larger screens.
MoreDeveloper apps
FAQ
What is Morlet?
Morlet is a free application that visualizes sound in real-time, showing frequency over time. It offers both spectrum and wavelet analysis modes to help users understand the nuances of audio.
Does Morlet have ads?
No, Morlet is completely ad-free. The app is designed with user privacy in mind and does not contain any advertisements.
What devices does Morlet support?
Morlet is available for iPhone and iPad devices, offering a detailed audio analysis experience on both platforms.
How accurate is Morlet's pitch detection?
Morlet provides the nearest note with cents accuracy, allowing users to precisely tune instruments or analyze vocal pitches. The wavelet analysis mode specifically offers precise pitch for low notes.
Can I use Morlet with recordings?
Yes, you can open songs, voice memos, and recordings from your Files app or share audio from other applications directly into Morlet for analysis.
What kind of data can I export from Morlet?
Morlet allows you to export recordings as uncompressed WAV audio, CSV analysis data in decibels, and JSON metadata detailing the settings used.
How often is Morlet updated?
The latest version of Morlet was released on October 29, 2026, indicating active development and regular updates to improve functionality and features.
Is Morlet suitable for beginners?
Yes, Morlet includes a built-in guide that explains each setting, making it accessible for beginners. It also offers one-tap setups for various sound types like music, speech, and birdsong.
