Install the Pebble App Persistently on iOS

This guide explains how to permanently install the Pebble app on a new iPhone, assuming you already downloaded the Pebble app from your Apple ID/Account at some point in the past. I've had this written up in a text file on my laptop for a few years now. Given the announcement of new Pebbles today, I figured I'd share this, in case anyone else was inspired to use their Pebble again but got stuck on…