Slow it down

Create an account at Expo
Install on your computer Expo CLI
Install on your mobile device Expo Client
In expo project folder /src on command line: expo start
Start server open server folder /server on command line: npm run start
Start ngrok tunnel in different terminal window ngrok http -subdomain=slowitdown 4337
On your mobile device, open Expo and load project (having an Expo login helps)

How to publish to Apple store

will add this soon...

Expo + Firebase

Firebase console