Protons mobile app doesn’t have an independent push notification service. If you’re not using Google play, you will not get push notifications.

Not the end of the world, but may be a deal breaker for some.

For what. Thats a lot of effort for a small userbase. And most importantly a userbase that doesn’t see Google ads. Custom hardware is expensive and doesn’t provide much additional data for most users and provides unprofitable data for degoogled phones.

Google doesnt spy on us just because they are evil. They spy on us to sell more expensive targeted ads.