USB Camera pro vs Digital Ruler Pro

Use the latest iOS17 feature "Support external cameras in your iPadOS app" to implement iPad as additional output devices for video display. USB Camera Pro is an App that supports USB camera, USB video capture card and other USB devices to connect to iPad tablet through OTG, and drives iPad tablet to display audiovisual images. This App software is plug-and-play, no driver required, and supports a variety of USB cameras, USB video capture cards, and computer TV and other devices. The latest version also supports synchronous recording of the displayed audiovisual picture, one-click screenshot, performance detection, screen adjustment, super resolution picture quality enhancement, color adjustment, screen image reversal and other features. Note: Due to hardware reasons, this App is not currently supported for iPhone.

Turn your iPhone into a precise digital ruler. Measure any object in seconds — in centimeters or inches, with no internet connection required. KEY FEATURES • Linear Ruler — accurate cm and inch measurement with a draggable pointer • 2D Measurement — measure length and width at the same time • Device Calibration — calibrate with a credit card, ID card or A4 paper so results stay reliable on any screen • Measurement History — save, review and manage every reading • Lock Mode — freeze the current reading and take a clean screenshot HOW IT WORKS 1. Calibrate once with a standard object (a credit card works great) 2. Place the object you want to measure on the screen 3. Drag the pointer to the edge and read the result instantly DIGITAL RULER PRO Unlock everything with a single one-time purchase — no subscription, no auto-renewal: • Additional calibration objects (ID card, A4 paper) • Unlimited measurement history • Advanced export with watermark control • Enhanced sharing options Already purchased Pro? Tap "Restore Purchases" on the upgrade screen. PERFECT FOR Home DIY, crafts, sewing, education, furniture checks, package sizing and professional field work — a ruler is always in your pocket. ACCURACY TIP A screen ruler is most accurate after calibration. For best results, calibrate once per device and keep the phone flat and steady while reading. PRIVACY All measurements and settings are stored locally on your device. We do not collect, transmit or share your personal data. No analytics, no ads, no tracking. No internet connection required. Privacy Policy: https://digitalrulerprivacypolicy.vercel.app/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/