My take is that RN is great for demo apps or simple UIs, but I would not choose it for a production app where performance matters (ie. using camera, audio, custom controls, platform-specific SDKs, multi-threading, etc). You're definitely going to do heavy lifting in native code, and a hybrid app quickly becomes a mess. Dealing with multiple environments and super slow build times in Xcode will seriously slow down development cycles.

IMO RN is no exception to the Simple vs Easy trade-off [1] Not to mention using RN gives FB a legal blank check from your company [2]

[1] http://chrisfrost.com/wp-content/uploads/SimpleVsEasy-478x51...

[2] https://medium.com/@raulk/if-youre-a-startup-you-should-not-...