MintFFT

MintFFT is a simple and precise audio spectrum analyzer for iPhone and iPad.

Designed with a focus on clarity and calm, it turns your sound into smooth, real-time visuals — without ads, clutter, or unnecessary controls.

Features
• Real-time FFT spectrum with dB scale
• Peak hold and multiple window functions (Hann, Hamming, Blackman, Rectangle)
• Pinch to zoom and swipe to pan across frequency ranges
• Supports internal and external microphones (USB-C / Lightning)
• Works in portrait, landscape, and Split View on iPad
• Runs entirely on-device — no recording, tracking, or data collection

Privacy First
MintFFT processes all audio locally for visualization only. No data ever leaves your device.

Simple. Clear. Reliable.
Just open MintFFT and watch your sound.