Frequency Analyzer

Name: Frequency Analyzer
Rating: 4.6 (44 reviews)
Author: Manfred Kuegel

Audio Spectrum, Spectroid, dB

Only for iPhone

Free · In‑App Purchases · Designed for iPhone

44 Ratings
Ages

4+
Years
Category

Utilities
Developer

Manfred Kuegel
Language

EN
+ 12 More
Size

83.2
MB

iPhone

Professional audio analysis suite with real-time FFT, dB/SPL measurements, multiple visualizations, high-precision recording, playback and extensive export features. Transform your device into a professional-grade audio analysis suite with industry-leading 32-bit float processing, precision calibration tools, and comprehensive visualization capabilities. PROFESSIONAL ACOUSTIC MEASUREMENT • Real-time FFT analysis with configurable window sizes up to 4096 points • Reference SPL measurement with calibrated sound pressure level monitoring • Professional microphone correction with frequency-specific calibration curves • Reference tone calibration for precise frequency measurements • Configurable time averaging (0-1000ms) for stable, accurate readings • Industry-standard weighting filters: dBA, dBC, dBZ, and linear magnitude • Multiple window functions: Hanning, Hamming, Blackman ADVANCED VISUALIZATION MODES • High-resolution spectrum analyzer with peak detection • Real-time waveform display • Professional spectrogram • Octave band analysis • Amplitude tracking over time • Total level monitoring with min/max/average statistics POWERFUL RECORDING & ANALYSIS • High-quality 32-bit float audio recording and playback • Synchronized video recording with audio analysis overlay • Event tracking system with timestamped notes • Playback synchronization with all recorded events and measurements • Location mapping for environmental noise surveys • Export capabilities: WAV audio, CSV data, high-resolution images and videos PRECISION DECIBEL MEASUREMENT • Calibrated SPL measurements with reference level adjustment • Real-time dB monitoring with peak hold functionality • Statistical analysis: Leq, Lmax • Configurable time averaging (0-1000ms) • Frequency-weighted noise exposure calculations • Exposure calculator for NIOSH and OSHA IDEAL FOR PROFESSIONALS • Acousticians and audio engineers • Environmental noise consultants • Musicians and sound designers • Room acoustics optimization • Industrial noise monitoring • Educational and research applications • Live sound reinforcement • Building acoustics assessment Download now and unlock the full spectrum of acoustic measurement capabilities. DISCLAIMER This is a consumer application designed for general audio analysis and educational purposes. It is not a certified measurement instrument and should not be used where legally compliant or certified measurements are required. For professional acoustic assessments requiring traceable calibration or regulatory compliance, we recommend using an external calibrated measurement microphone with certified sound level meters. EULA: https://frequency-analyzer.com/terms-and-conditions/

Ratings & Reviews

4.6

out of 5

44 Ratings

Don’t work
Oct 24

AyeyamWhotAyeyam
It won’t click past the upgrade app to let me try it

Developer Response
Thank you for your feedback. We are currently investigating an issue in Version 2.9 and already released an update to fix it.
Don’t work
Oct 24

AyeyamWhotAyeyam

It won’t click past the upgrade app to let me try it
Developer Response Oct 25
Thank you for your feedback. We are currently investigating an issue in Version 2.9 and already released an update to fix it.
Useless app
Oct 25

Rayalaseematiger
Not sure why it needs location to analyze frequency.

Developer Response
You can use the location to document your measurements and exports, but you can opt out of using location data in the app.
Useless app
Oct 25

Rayalaseematiger

Not sure why it needs location to analyze frequency.
Developer Response Oct 26
You can use the location to document your measurements and exports, but you can opt out of using location data in the app.