It can run locally — yes, but it needs internet to check/activate license at launch.

Here are the equivalences:
Plan 1 > Business with 1 Device
Plan 2 > Business with 3 Device
Plan 3 > Business with 5 Device
Plan 4 > Agency with 10 devices
Plan 5 > Agency but with 15 devices
Plan 6 > Enterprise 100 Devices

This was previously answered by Mohamed Es Fih who said the above. You can find that answer here: https://appsumo.com/products/marketplace-rtila-growth-hacking-marketing-automation-software/questions/can-you-please-tell-me-at-what-plan-leve-1141789/