RC Circuit Pro vs KDM Inspector

This app is used to calculate the RC charging and RC filter circuit. It is suitable for hobbyist or electronic engineer. Features * Calculate time constant from R, C * Find component value R,C from time constant * Get voltage at time t in RC charging / discharging * Calculate cutoff frequency by R, C * Find component value R,C from cutoff frequency * Save data to CSV files * Upload CSV via AirDrop / iCloud Drive * Support English, German, French, Italian, Spanish, Portuguese, Japanese, Traditional Chinese, Simplified Chinese

Check KDM playback windows, content titles, and server details on your iPhone or iPad. Built for projectionists, theater technicians, post-production facilities, and anyone working with Digital Cinema Packages (DCPs), KDM Inspector turns Key Delivery Message (KDM) XML files into clear, readable information. Open a key from Mail or Files, or import a ZIP containing multiple KDMs. Keep the details in a searchable library for quick reference before your next screening. With KDM Inspector, you can: - See whether a playback window is Active, Upcoming, or Expired. - View start and expiration times in your local time zone or UTC. - Find server or media block serial numbers when recognized in the KDM. - Inspect content titles, composition playlist IDs, message IDs, and content key counts. - View recipient details, certificate serial numbers, and show player public key thumbprints. - Search by title, server serial number, recipient, filename, or composition playlist ID. - Filter your library by playback status. - Share a readable summary of key details. Designed for iPhone and iPad, with Dark Mode, support for larger text, and Liquid Glass controls on iOS and iPadOS 26 or later. KDM information is read and stored on your device. No account or upload is required. Active, Upcoming, and Expired describe the playback time window recorded in the KDM.