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Homebrew has disabled this package: fails_gatekeeper_check

iSyncer

Apple Music playlist exporting tool

CaskAudio ProductionApple silicon · IntelDisabled
From homebrew/cask
30-day installs
0
1-year installs
4
Last 365 days
Latest version
4.3.0
Download size
—
arm64 / x86_64 · tgz
Release cadence
Irregular
0 releases in 30 days

iSyncer is Audio Production software for Mac.

Quick facts

Chips
Apple silicon · Intel
Install
brew install --cask isyncer
Homebrew
Disabled by Homebrew
Also known as
isyncer

These facts were checked on or after . See each source

About

Apple Music playlist exporting tool

System requirements

macOSVersionChipsDownloadSource
Build for macOS 27, 26, 15, 14, 13, 12, 114.3.0Intelwww.isyncer.de/system/iSyncerV4.3.0mac-installer.tgzSHA-256 15b2854bf6cac10b2b36efad9b5d9d15b033e50ffbe833380bb2b61a7fd470abHomebrewChecked
Build for macOS 27, 26, 15, 14, 13, 12, 114.3.0Apple silicon · Not native on Apple siliconwww.isyncer.de/system/iSyncerV4.3.0mac-installer.tgzSHA-256 15b2854bf6cac10b2b36efad9b5d9d15b033e50ffbe833380bb2b61a7fd470abHomebrewChecked

How to install iSyncer on Mac

  1. In Terminal, run: brew install --cask isyncer
  2. Homebrew runs the iSyncer-installer-4.3.0.pkg installer, which asks for an administrator password.

Install without Homebrew

Download the same file Homebrew uses: www.isyncer.de/system/iSyncerV4.3.0mac-installer.tgz

SHA-256 only checks that the download is complete; it is not a security certification. See the SHA-256 and download address

Uninstall iSyncer and optional data cleanup

Uninstall command
brew uninstall --cask isyncer

A regular uninstall removes the app and keeps its settings and caches.

Uninstalling also removes

Installer receipts (pkgutil)
main.ISyncer.*

These entries come from the Homebrew definition, checked . They say what it declares, not what is on your Mac.

iSyncer security facts

Only facts that can be checked, each with its source and date. This is not a safety certification. To check the files you downloaded, scan them on your Mac with OpenNavo.

Distribution
Homebrew
Scan with OpenNavoOpens a scan preview in the OpenNavo app; you decide whether to start it. ClamAV on Mac

Install Details

Tap
homebrew/cask
Installer packages
iSyncer-installer-4.3.0.pkg
Download URL
https://www.isyncer.de/system/iSyncerV4.3.0mac-installer.tgz
SHA-256
15b2854bf6cac10b2b36efad9b5d9d15b033e50ffbe833380bb2b61a7fd470ab
Homebrew definition
github.com/homebrew/homebrew-cask/blob/HEAD/Casks/i/isyncer.rb
formulae.brew.sh
formulae.brew.sh/cask/isyncer

Installation and removal contents

  • Uninstall uninstall

    View full declaration
    {
      "uninstall": [
        {
          "pkgutil": "main.ISyncer.*"
        }
      ]
    }
  • Install pkg

    Source file: iSyncer-installer-4.3.0.pkg

    View full declaration
    {
      "pkg": [
        "iSyncer-installer-4.3.0.pkg"
      ]
    }

Questions about iSyncer

Is iSyncer safe?

Homebrew has disabled iSyncer (it fails macOS Gatekeeper checks), so it can no longer be installed with Homebrew. It was disabled on Sep 1, 2026.

How do I completely uninstall iSyncer on a Mac?

Run brew uninstall --cask isyncer. It forgets 1 installer receipt.

Does iSyncer run on Apple silicon (M1 and later) Macs?

It installs, but on Apple silicon Macs it runs through Rosetta 2.

What is the latest version of iSyncer?

The latest version is 4.3.0, added to Homebrew on Nov 5, 2025. Run brew upgrade --cask isyncer to update it.

What else does installing iSyncer add?

It installs through a .pkg installer, which asks for an administrator password.

Sources

Every fact on this page names its source and check date. Facts past their validity read “as of” their date and are no longer stated as current.