Great app
Excellent design, and no spam included
Good app
Very good application for reading audio frequencies
Free
About
This application provides real-time audio spectrum analysis with clear, smooth visuals. It offers advanced features like peak hold and multiple window functions, all processed locally on your device without ads or data collection.
✓Real-time FFT spectrum with dB scale
✓Peak hold and multiple window functions
✓Pinch to zoom and swipe to pan
✓Supports internal and external microphones
✓Works in portrait, landscape, and Split View
✓On-device processing, no data collection
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What's New in MintFFT
1.1
November 17, 2025
Version 1.1 introduces new localizations for Danish, Hindi, Indonesian, Italian, Polish, Portuguese, Spanish, Thai, Traditional Chinese, Turkish, and Vietnamese.
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FAQ
What is MintFFT?
MintFFT is a free audio spectrum analyzer for iPhone and iPad. It displays real-time sound visualizations with a focus on clarity and privacy, processing all audio locally on your device.
Does MintFFT have ads?
No, MintFFT is completely ad-free. The app is designed to provide a clean and uninterrupted user experience without any advertisements.
What devices does MintFFT support?
MintFFT is available for iPhone and iPad. It supports both portrait and landscape orientations, and works in Split View on iPad.
Can MintFFT record audio?
No, MintFFT does not record or collect any audio data. All audio processing is done entirely on-device for visualization purposes only, ensuring user privacy.
What microphone inputs does MintFFT support?
MintFFT supports both the internal microphones of your iPhone and iPad, as well as external microphones connected via USB-C or Lightning.
How often is MintFFT updated?
The latest version of MintFFT is 1.1, which was last updated on November 17, 2025. Updates focus on reliability and user experience improvements.
What is the age rating for MintFFT?
MintFFT has an age rating of 4+. This indicates it is suitable for users of all ages and does not contain any mature content.
How does MintFFT handle different window functions?
MintFFT offers multiple window functions, including Hann, Hamming, Blackman, and Rectangle. These functions allow for different spectral analysis characteristics and can be selected by the user.
