Mobile
Full-spectrum FFT analysis on your Android phone
Key Features
Real-Time FFT
Live spectrum analysis 1–20,000 Hz on your phone. Line or bar display mode.
Memory Slots
Save traces to M1–M5 slots. Add title, GPS, photo, video or audio.
Peak Hold
Capture transient noise events. Overlay two traces for before/after comparison.
Frequency Markers
Pin markers at any frequency. Shows exact Hz and amplitude with notes.
33 Languages
Switch the entire app instantly to any of 33 languages including Arabic and Chinese.
Data Export
Export full measurement packages — spectrum, GPS, photos, video and audio.
See It In Action
Pricing
Free
FREE
WITH ADS — GOOGLE PLAY
- Full spectrum 1–20,000 Hz
- Peak Hold
- Frequency markers
- M1–M5 memory slots
- GPS + photo capture
- 33 languages
Ad-Free
$9.99
ONE-TIME — NO ADS
- Everything in Free
- No advertisements
- Google Play in-app purchase
- One-time payment
- No subscription
- Instant activation
Gumroad
$9.99
ONE-TIME — GUMROAD
- Everything in Ad-Free
- Affiliate programme
- 50% commission available
- Stop the Noise PDF free
- One-time payment
- No subscription