We just did this with our mobile app, which was in Phone gap, and is now in React Native. It was a horribly long process, I would have liked to avoid but I don'

We just did this with our mobile app, which was in Phone gap, and is now in React Native. It was a horribly long process, I would have liked to avoid but I don't think there was much choice. We were able to purge unused features that had previously added complexity. Building a new app with 4yrs of knowledge from the previous app was enlightening. Now that we are through it, I feel the product is better for it, but damn it took too long.