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That's the question: what is the mazimum program size that will in watchOs on an Apple watch?I am considering migrating my app (http://raceqs.com/smart-watch) from Garmin as I am already maxed out (in 224 kB) and need to add lots more functionality. I'm planning to develop in Swift. The next question is : how do I determine if my app will fit? It has about 8 main screens plus a bunch of menus and alerts, it runs continuously for 2-5 hours and needs GPS position data every second.

I have been developing on a Hackintosh 2.89 GHz Intel Core i5 8 Gb and finally got fed up with waiting about an hour a day while Xcode builds and deploys incremental development code from my watchOS app to either the Simulator or to my iPhone6/Watch 2.So I have lashed out on a 27" 3.4 Ghz iMac from the friendly Apple Store.Result - exactly the same! The big screen is a delight, but not worth $AUD 2,700. It's going to have to go back to the Store.On the first run on the new box, deploying to the Sim (iPhone7/Watch2-38mm) the build timed out while the Sim loaded.I'm using Activity Monitor to monitor CPU load, Memory usage, and Disk access, and just can't see any bottlenecks:The CPU usage never goes above ~50% across the 4 cores,the memory load never goes more than halfway up the scaleThere's no Disk load of any size.But, interestingly, there's quite a lot of Network activity during the load which is a bit of a mystery. ~300 mB uploaded during the build and install, I wonder if the issue is some sluggish network traffic that is happening in the Apple world ... but what and why?Anybody out there with any ideas?