Nearly everyone in the world working on new apps, including us, uses Testflight for testing and finding errors. It simply is the easiest and best way to integrate customers in the origination process and offers a reliable environment to share and work on new ideas.
Testflight is even cool enough to get bought by Apple some months ago.
Besides this, most of you know that moment, when a Device crashes and nothing can help but a new device or in fortunate cases a rollback from iCloud Backup. more