This is indeed a great suggestion – we did receive a similar one some time ago. In fact, this problem became more prominent with Xcode 9's full support of multiple simulators launched at the same time. Unfortunately, since iOS doesn't report the same simulator name via UIKit as Xcode does, it might be tricky (though not impossible) to extract the names you'd expect to see, so I can't promise you any particular timeframe when this feature would be implemented. But we'll definitely look into it, thanks for your feedback!
Thanks for the tip – this looks like a great idea! In fact, it turns out simulator environment contains a few more useful variables, and a somewhat more sustainable and precise option for us would be to use SIMULATOR_DEVICE_NAME, since it contains a human-readable device name and doesn't require to keep Model ID mapping up to date.
I'll include this information in our internal task list, and hopefully this solution will make implementing this feature much more feasible.