SoundScope vs Flicker Light Meter

Transform your iPhone into a powerful audio measurement and analysis device. SoundScope provides musicians, sound engineers, and audio enthusiasts with professional-grade tools for measuring, analyzing, and working with sound. SOUND LEVEL METER - Real-time decibel (dB) measurement with high accuracy - Visual gauge with color-coded safety zones - Min, max, and average level tracking - Save measurements with location and notes - Hearing protection warnings at dangerous levels (85+ dB) - Customizable microphone calibration SPECTRUM ANALYZER - Real-time FFT frequency analysis - Visualize frequencies from 20Hz to 20kHz - Choose between 16, 32, or 64 frequency bands - Peak frequency detection with musical note identification - Perfect for identifying resonances and room acoustics PRECISION METRONOME - Professional metronome with BPM range 40-240 - Multiple time signatures (2/4 to 8/4) - Visual beat indicators - Haptic feedback on each beat - Quick tempo presets (Largo, Andante, Allegro, Presto) - Crystal clear click sounds TONE GENERATOR - Generate test tones from 20Hz to 20kHz - Six waveform types: Sine, Square, Sawtooth, Triangle, White Noise, Pink Noise - Logarithmic frequency slider for precise control - Quick access to standard frequencies (A440, Middle C, 1kHz, 10kHz) - Adjustable volume control - Perfect for testing speakers, room acoustics, and hearing MEASUREMENT LIBRARY - Save and organize all your measurements - Search by location, notes, or date - View statistics and trends over time - Export measurements to CSV - Beautiful data visualization charts **DESIGNED FOR PROFESSIONALS** - Clean, intuitive interface - Dark mode support - Haptic feedback throughout - Privacy-focused (all data stored locally) - No ads, no subscriptions required **PERFECT FOR:** - Musicians practicing and performing - Sound engineers checking levels - Podcasters monitoring audio - Teachers demonstrating acoustics - HVAC professionals measuring noise - Event planners checking venue sound - Anyone curious about sound in their environment HEARING SAFETY SoundScope includes automatic warnings when sound levels become dangerous. Prolonged exposure to sounds above 85 dB can cause hearing damage - SoundScope helps you stay aware and protect your hearing. Download SoundScope today and discover a new way to see sound!

Flicker Light Meter uses your iPhone camera to estimate lighting flicker and approximate color temperature—entirely on device. Features: • Dominant frequency, flicker depth, and grade guidance • Color temperature and relative scene brightness (not a lux meter) • Optional local history • Plain-language metric explanations Trial & purchase: • 30-day full free trial from first launch (app-managed) • Then monthly subscription or one-time lifetime unlock via Apple IAP • Restore purchases supported; manage/cancel subscriptions in iOS Settings Privacy: no account, no ads, no uploading of video to our servers. Thumbnails are saved locally only if you confirm. Results are for everyday reference only and are not a substitute for certified meters or medical advice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ksding.github.io/flicker-light-meter-pages/privacy-en.html