How to run dual apps on the macos

macOS
codesign
xattr
PlistBuddy

Last updated at 2025-11-12Posted at 2025-11-12

How to open same app multiple times

sudo cp -R /Applications/WeChat.app /Applications/WeChat2.app

# install xcode
# Change the app bundle identifier
sudo /usr/libexec/PlistBuddy -c "Set :CFBundleIdentifier com.tencent.xinWeChat2" /Applications/WeChat2.app/Contents/Info.plist

# Remove extended attributes
sudo xattr -cr /Applications/WeChat2.app

# Re-sign the app
sudo codesign --force --deep --sign - /Applications/WeChat2.app

# Verify the code signature
codesign -vv --deep --strict /Applications/WeChat2.app

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