The Baybayin Buhayin app has just been released on the Philippine Apple app store. It’s FREE for a limited time. If your outside the Philippines, you can get it by creating another Apple account and choosing the Philippines as your home country. Once all setup, search for Baybayin. For Philippine accounts, here’s the direct link. This is only V1. Look out for more features soon.
Some basic info about the script
The most interesting part is the tutorial where you can trace the strokes. There’s even audio of the pronunciation.