Every iPhone needs a few good on-set monitor app. We benchmark 0+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
Extend your Windows PC's desktop to another device wirelessly or via USB. Use your tablet or phone as a drawing tablet or a portable second monitor for travel and productivity.
Transform your devices into a powerful baby monitor with live HD video and audio. Receive real-time alerts for sound and motion, and soothe your baby with two-way talk and lullabies. Track sleep patterns and log daily routines for comprehensive care.
What We Love
🚀 Reliable and easy to use
💡 Convenient for travel and multiple devices
👍 Clear audio and video quality
🚀 Affordable alternative to traditional baby monitors
Transform your phone into a professional camera monitor with live view and remote control capabilities. Access camera content, utilize advanced assist functions, and even record live feeds. A Pro version unlocks even more powerful features for enhanced filmmaking.
spacedesk - USB Display for PC tops our on-set monitor app ranking as of July 2026, with a 4.7-star average from 2.1K App Store ratings, and it's free to download.
Are there free on-set monitor app for iPhone?
Yes — 18 of the top on-set monitor app we rank are free to download, including spacedesk - USB Display for PC and Annie Baby Monitor: Nanny Cam.
Does spacedesk - USB Display for PC have ads or in-app purchases?
spacedesk - USB Display for PC has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
What does spacedesk do?
spacedesk allows you to extend your Windows computer's desktop to another device, such as a tablet or smartphone. It functions as a screen mirroring, remoting, and extension tool, enabling you to use your secondary device as an additional monitor or a drawing tablet.
How can I connect my devices with spacedesk?
You can connect your Windows PC to your secondary device using WiFi, USB, or a Local Area Network (LAN) connection. For LAN connections, both the driver and viewer app need to be on the same network. USB connections offer the fastest performance with zero lag.