Frequency Analyzer

Frequency Analyzer: SpectraLab is a professional-grade audio analysis tool designed for real-world measurements, sound diagnostics, and signal verification — completely rebuilt as a native iOS app with a brand-new Liquid Glass design.

Whether you're tuning a room, analyzing noise, or working with audio signals, SpectraLab provides fast, accurate, and easy-to-read results.

KEY FEATURES

- Real-time Frequency Analysis
Detect dominant frequencies instantly using high-resolution FFT analysis.

- Live Spectrum Visualization
See how sound evolves over time with a smooth, responsive spectrum graph.

- Peak Hold
Track the highest detected frequencies over time for deeper analysis.

- Spectrogram
Visualize frequency content over time with a scrolling waterfall display.

- Signal Generator
Generate precise tones including sine waves, square waves, pink noise, and white noise.

- Play & Analyze Mode
Compare generated signals with live microphone input in real time.

- Screenshot & Export
Capture clean analyzer views and share results instantly.

- Home Screen Widget
See your latest measurement at a glance, right from your Home Screen.

- Custom Presets
Save and reuse your favorite generator settings.

USE CASES

- Room acoustics and speaker tuning
- Audio testing and debugging
- Music practice and instrument tuning
- Environmental noise analysis and documentation
- Education and signal learning

DESIGNED FOR PRECISION

SpectraLab focuses on stability, clarity, and performance. The interface is optimized for both beginners and advanced users, providing clean visuals without unnecessary complexity.

PRO FEATURES

- Noise Threshold Alerts — get notified the moment sound crosses a level you set, useful for documenting noise complaints or monitoring a space
- A-weighting (dBA) — measure noise the way ordinances and regulations do, plus every window function for precise analysis
- Extended Spectrogram History — see up to 3 minutes of waterfall history for deeper diagnostics
- CSV Data Export — export raw frequency and magnitude data for analysis in Excel, Python, or MATLAB
- Professional PDF Reports — share a clean, presentable report of any measurement
- Unlimited Export History — free plan keeps your last 10 exports; Pro keeps everything
- Larger FFT sizes up to 16k-point transforms for finer resolution
- Unlimited custom presets

A free trial is available so you can experience Pro before you subscribe.

Start analyzing sound with precision today.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/