SpectralScan Audio Analyzer dB vs Cal Master Pro

SpectralScan turns your phone into a professional audio analysis tool. Real-Time Analyzer (RTA) Visualize your acoustic environment live with a high-resolution frequency spectrum. Adjust smoothing, peak hold, and frequency range on the fly. Sine Sweep Measurements Run a precision sine sweep and capture the full frequency response and impulse response of any speaker, room, or audio system. Spectrogram Watch frequency content evolve over time with a scrolling waterfall display. Compare & Export Save multiple measurements, overlay them for comparison, and export as CSV or PNG. Pro features: multiple sweep measurements, fine octave smoothing, peak frequency display, and additional color themes and more coming.

Cal Master Pro is the all-in-one calendar management tool for power users. It works with your existing calendars (iCloud, Google Calendar, Outlook, and more) to keep them clean, organized, and easy to share. Import Events Import from .ics and .csv files or copy events between device calendars. Smart CSV field mapping with automatic date format detection. Preview and select events before importing. Remove Duplicates Scan all your calendars to find exact and similar duplicates. Compare duplicate versions side by side before removing. Cross-calendar duplicate detection across all accounts. Export Calendar Data Export events to CSV or .ics format. Customize time ranges and choose which fields to include. Perfect for backup, analysis, or migration. Share Your Schedule Generate private links showing your free/busy availability. Recipients view in any browser — no app install needed. Your data stays on your device; nothing is uploaded to servers. Health Reports Get a monthly calendar health score (0–100). See stats on meeting time, conflicts, and event counts. Receive actionable tips to optimize your schedule. Privacy First All processing happens on your device. Calendar data never leaves your phone. Premium Subscription Unlock unlimited imports, exports, duplicate scans, automatic monthly scanning, health report details, and advanced sharing features. Subscription options available with auto-renewal. Cancel anytime from your device settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/