I need to correct your assertion about MetaMask -- Bloom has had mobile apps for iOS and Android since before you posted your review. You can use the mobile apps without interacting with MetaMask in anyway, which is how the majority of people use the Bloom protocol now.
App Store - https://apps.apple.com/us/app/id1380492735?mt=8
Play Store - https://play.google.com/store/apps/details?id=co.bloom.app
Thanks for the review!