USB Camera Pro
How do I switch between different USB cameras, like from a webcam to a USB microscope, during a video call?
Simply unplug the current USB camera and plug in the new one via the OTG cable while the app is open. The app will detect the new camera within seconds, and you can switch resolution mid-call without freezing, as tested with a USB microscope during a Zoom demo.
Can I adjust the video resolution and frame rate in USB Camera Pro to improve performance on slow Wi-Fi?
Yes, the app includes a resolution switcher that lets you drop to 720p when your Wi-Fi is unstable, and a frame rate adjustment slider for smoother recording. These settings are easy to tweak with simple sliders, no tutorial needed.
Why does my phone get hot and the battery drain quickly when using USB Camera Pro for long sessions?
The phone can get warm after about 40 minutes of continuous use at 1080p, and battery life drains faster than usual. To avoid this, keep your phone plugged into a charger during long calls; for sessions under 30 minutes, it works fine without extra power.
How do I fix USB Camera Pro not detecting my USB camera when plugged in?
Make sure you're using a compatible OTG cable and that your camera is powered on. The app detected all three test cameras (including an old Logitech C920 and an $8 endoscope) within seconds of plugging in, so if it fails, try a different OTG cable or restart the app.
How does USB Camera Pro compare to using a dedicated webcam or apps like DroidCam for video calls?
Unlike free apps that may require driver installation or ads, USB Camera Pro costs a one-time $5.49 with no subscription, and it automatically makes your phone recognized as a webcam without workarounds. It also supports multiple USB cameras (like microscopes) and handles resolution changes mid-call, which many free alternatives struggle with.
