AppYonder

Patch Assist

Krystof Havlik

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Get it free on the App StoreOpens Apple's App Store

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About this app

Patch Assist is a fast, clear helper for anyone working with stage lighting — technicians, LDs and DIY users. It works offline, with no accounts and no data collection. PATCH CALCULATOR • Patch fixtures one by one by channel count • Automatic roll-over across universe boundaries • Addresses shown as universe.address • Overlap (conflict) warnings for clashing addresses • Name, edit and bulk-add fixtures • Save patches inside the app GDTF SHARE (optional) • Sign in with your gdtf-share.com account and pick fixtures from the catalog • Channel count and mode fill in automatically • Favorites and recently used fixtures at hand EXPORT • Patch list to PDF or JPG with an event header • Share the usual way (Files, email, AirDrop, Photos) DIP SWITCH CALCULATOR • Convert a DMX address to DIP switch positions and back, live • Flip the block to match your real device English and Czech. For iPhone and iPad.

What's new

Version 1.2 · Aug 11, 2026

Fine-tuning a DMX address is now faster and clearer: • Step by ±1, ±10 and ±100 — jump across big address ranges in just a couple of taps. • Cleaner button layout: plus on top, minus below, matching values aligned in columns. • In the patch list, just tap a fixture's address to instantly show it on the DIP switches. • Fix: the bottom tab bar no longer shifts up with the keyboard while typing.

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