
$12.99
About
Shutter PJLink is a simple and reliable control app for PJLink-compatible projectors on iPhone, iPad, and Apple Watch.
It now combines two workflows in one app:
PJLINK Direct (iPhone/iPad): control projectors directly over PJLink.
Watch OSC: send Open/Close commands from Apple Watch with two operating paths:
Via Mac: Watch -> iPhone -> Mac running Shutter PJ-OSC
Direct only: Watch -> iPhone -> PJLINK projectors directly
The app is designed for real AV workflows where speed, clarity, and stability matter.
Key features
Add and manage up to 5 projectors (IP + optional PJLink password)
Duplicate IP prevention
Multi-select projectors and send commands in parallel
Open/Close shutter control with clear per-projector results
Visual status indicators:
Connection state (connected, disconnected, checking)
Shutter state (open, closed, unknown)
Automatic periodic status refresh
Built-in in-app Help
Apple Watch support with synchronized mode and projector selection in Direct only mode
Interface languages: English, Spanish, French, Galician, Basque, Catalan
Network
PJLink TCP control on port 4352
OSC communication to Mac-hosted Shutter PJ-OSC (configurable host IP and port)
Works on local Wi-Fi networks (with or without internet access)
Supports PJLink authentication when required
Shutter PJLink focuses on essential control without unnecessary complexity, so you can operate projectors quickly and confidently.
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What's New in Shutter PJLINK
1.0.3
May 28, 2026
Improved compatibility with Shutter PJ-OSC on macOS. OSC commands now use projector-specific routes (/shutter/open/N and /shutter/close/N) for more reliable control. Added support for OSC password-protected setups: when configured, commands include the password as the first string argument. Updated iPhone–Watch sync so OSC connection settings (including password) stay consistent across devices. General stability improvements for relay mode communication
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