Monitor+

Monitor+ is a Chrome extension that turns your phone into a professional Sony camera monitor. It supports wireless connections for a wide range of models (a7R V, a7R IV, a9 III/II, a1, FX3, FX30, ZV series, a7 IV and newer) and wired USB connections for older models like the a7 III, with compatibility details on the website. This makes it ideal for field shooting and on-the-go monitoring.

Key features include Live View, Remote Control (Shutter Speed, Iris, ISO, WB), and access to camera content. Pro version unlocks advanced tools such as False Color, Zebra, Waveform, Histogram, Vectorscope, Focus Peaking, Desqueeze, LUTs, plus Chroma Key/Overlay, Focus Pulling, UVC/Capture Card support for iPadOS, Apple Watch extension, and Screen Lock. Disclaimer: Monitor+ is not affiliated with Sony.