No. We want to see some more features completed on Android, before we start working on the iOS implementation.
In staging releases it can not be guaranteed that the data model isn't changed and therefore, if you experience problems to recover from the Seed Phrase, you have to downgrade to the older version. This can be easily selected via Firebase, but in case of problems get in touch with us on Telegram.
Yes, we want to have as many testers as possible for the regularly delivered staging versions. You can download the APK via Firebase or use only the APK directly from the website. The Firebase distribution helps us to find bugs more easily and therefore it is preferred way by us and it is also more convenient for you, as you get notified with every release.
YES. We will make sure that there is backwards compatibility for production versions, but on staging versions it can happen that the data model changes, causing e.g. problems with recoveries.