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Installation

What the installer puts on your Mac, where the files live, and how to remove Tyll cleanly.

Tyll has three parts: the app itself, a small background helper for audio, and an audio device your Mac can use. The installer sets up all three, and the uninstaller removes them just as cleanly.

What the installer adds

PartLocationWhat it does
Tyll.app/Applications/Tyll.appThe app itself
Audio helper~/Library/LaunchAgents/com.tyll.AudioHost.plistRuns quietly in the background to route audio
Tyll Audio/Library/Audio/Plug-Ins/HAL/TyllAudio.driverThe audio device your Mac uses to record meetings

Your data — recordings, sessions, your glossary — lives here:

~/Library/Application Support/Tyll/
~/Library/Caches/Tyll/

Check the signature

If you want to confirm the package really came from us:

pkgutil --check-signature Tyll.pkg

You should see this chain:

1. Developer ID Installer: Peter Rudel (2U5CV5999L)
2. Developer ID Certification Authority
3. Apple Root CA

You should also see a note confirming the package has been checked by Apple.

Updates

Tyll checks for updates when it starts. Every update is signed, and Tyll verifies that signature before installing anything — so you always get a genuine update, automatically.

You can also check manually any time:

Tyll → Settings → Updates → Check now

Uninstall

Inside the installer disk image (or under Tyll.app/Contents/Resources/) there’s an uninstaller script:

sudo ./uninstall-tyll.sh

It removes the app, the audio helper, the audio device, and anything that launches at login. Your recordings and transcripts under ~/Library/Application Support/Tyll/ stay put — you delete those yourself, on purpose, if you ever want them gone.

If you reinstall Tyll later, it picks up your existing data automatically.

What if I don’t have admin access?

The audio device has to live in /Library/Audio/Plug-Ins/HAL/, which needs admin rights to install. Without them, dictation (microphone only) still works, but recording meetings with your Mac’s audio won’t.

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