You may have missed the announcement where MS bought out Xamarin and is now giving it away for free.  You owe it to yourself to at least give it a try while waiting for actual cross-platform Swift.<p>90+% of your mobile code can be shared between Android and iOS.  Not sure if that&#x27;s something currently possible with Swift or not, but it was worth keeping C# around for our needs.<p>We&#x27;re more of a &quot;mobile app is something we also offer&quot; and web is our main presence though, so your mileage may vary (especially if you&#x27;re mobile-only or mobile-centric).