MintFFT vs MultiTempo メトロノーム

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.

MultiTempo is a metronome built around setlists — line up your tempos in song order so you never hunt for the next BPM during a gig, rehearsal, or lesson. ORGANIZE BY SETLIST Save each song's BPM, title, time signature, and accents as a preset, then group them into setlists. On stage, just tap to move through accurate tempos one after another. Switching setlists is instant. DIAL IN EVERY DETAIL • BPM 20–300 • Time signatures with a downbeat accent • Per-beat accent pattern — tap the dots to edit it freely • Subdivisions: eighth, sixteenth, triplet, offbeat • Six click sounds (classic, soft, sharp, electronic, clock, woodblock) • A custom accent color per setlist MADE FOR PERFORMING • Sample-accurate, rock-steady click — driven by the audio clock, not a UI timer, so it never drifts under load • Background playback — it keeps going with the screen off • Play, pause, resume, and stop PRIVATE BY DESIGN • No ads • No account • No data collection, no network — everything stays on your device Available in English and Japanese. A simple, dependable metronome for everyday practice through showtime.