2 log locations · macOS
Simulator logs to ~/Library/Logs/CoreSimulator/CoreSimulator.log on macOS. 1 other macOS log location is recorded below.
Paths are printed exactly as Simulator writes them. Environment variables like %LOCALAPPDATA% and $XDG_STATE_HOME are never expanded, so a path can be pasted straight into a shell. Where a path differs between installer types or shipping flavours, each one is racked as its own card below - why that happens.
Finding your way around macOS.
~/Library/Logs/CoreSimulator/CoreSimulator.log~/Library/Logs/CoreSimulator/<device UDID>/system.log