**Core Data Lab** is a dedicated Core Data viewer that has a built-in Simulator browser. The Simulator browser shows you all simulators on your Mac with Core Data apps and databases, which can be opened in the app for further inspection and data change tracking.
Info page: https://betamagic.nl/products/coredatalab.html
Free 14-trial: https://betamagic.nl/downloads/Core%20Data%20Lab%20Trial.zip
*Diclaimer*: I'm the creator of this tool.

**Core Data Lab** is a dedicated Core Data viewer that offers everything to view and analyze the Core Data database of your app, like automatic search for databases, data change tracker, simulator browser, a predicate editor, data editor, a built-in web and image content viewer, and much more.
Info page: https://betamagic.nl/products/coredatalab.html
Free 14-trial: https://betamagic.nl/downloads/Core%20Data%20Lab%20Trial.zip
*Diclaimer*: I'm the creator of this tool.