Good question.
Honestly, all 5 of these work
- Apple Email Relay / Hide My Email
- Simple Login
- Addy.io
- Firefox Relay
- DuckDuckGo
I personally use Simple Login & DuckDuckGo as a backup, Apple on all apple-related apps (since it's default & integrated in the iphone)
You would honestly base it on how well you trust these emails & domains to outlast you.
For example, if you already have an ProtonMail account, you most likely already have Simple Login (depending on the sub you have). I would 100% just use that.
If you pay for Apple+, that comes with Apples HmE, use that instead.
If your more casual and use firefox as a main browser, go grab firefox relay or duckduckgo. (I would say DDG over Firefox as firefox free is limited as heck unless you upgrade)
otherwise, sign up to the free plan for all, and experiment yourself.
