Noise Level Meter: Spectroid
dB & frequency detector
About
This app transforms your iPhone into a sophisticated sound level meter and frequency analyzer. It offers instant decibel readings, detailed spectrum analysis, and the ability to save and export measurement sessions. Designed for various everyday uses, it provides clear and beautiful sound measurement.
What's New in Noise Level Meter
1.6
October 26, 2026
Unlock unlimited recordings and camera captures with Pro — keep measuring sound without hitting the free session limit. New • Pro access: record as many meter sessions and camera videos as you need, plus unlimited photos of on-screen measurements. Two recordings and two photos are included so you can try it first. • Restore purchases from Settings if you already subscribe, so Pro comes back on a new device. Improved • After onboarding, you can unlock Pro and start measuring with the full SPL meter, spectrum analyzer, and camera tools.
MoreSubscriptions & In-App Purchases
Weekly Plan
Full access to all premium app features
Developer apps
FAQ
What is Noise Level Meter: Spectroid used for?
Noise Level Meter: Spectroid turns your iPhone into a sound level meter and frequency analyzer. It's useful for checking apartment noise, tuning home theaters, practicing music, or simply understanding ambient sound levels.
Can I save my measurements with Noise Level Meter: Spectroid?
Yes, you can record measurement sessions to the History section. These sessions include charts for minimum, maximum, and average levels, and can optionally be tagged with locations.
Does Noise Level Meter: Spectroid offer frequency analysis?
Yes, it features a live FFT spectrum analyzer and octave-band visualization to help you see the frequency spectrum of sounds.
Can I export data from Noise Level Meter: Spectroid?
Yes, you can export your measurement sessions as PDF reports and share them using the system's share sheet.
Is Noise Level Meter: Spectroid accurate for professional use?
Noise Level Meter: Spectroid is a consumer sound analysis tool. It is not a substitute for a calibrated laboratory SPL meter, though it does offer a calibration offset for relative accuracy.
What devices does Noise Level Meter: Spectroid support?
Noise Level Meter: Spectroid is available for iPhone and iPad devices.
How often is Noise Level Meter: Spectroid updated?
The latest version, 1.5, was released on September 15, 2026, indicating recent development activity. The app was initially released on August 12, 2026.
What is the age rating for Noise Level Meter: Spectroid?
Noise Level Meter: Spectroid has an age rating of 4+, making it suitable for a wide range of users.
