GrapheneOS + Neo Store + FFUpdater + Aurora Store do not eyerape you with ads. Just some food for thought and consideration.

OSMAnd~ for maps, SimpleX + Orbot (and VPN for calls) for secure telecommunication, JRPN 15C & 16C for calculator, Collabora Office for spreadsheets, BravePipe (or NewPipe) for YouTube client, Silence for automatic call rejection (reject all callers not in your contacts for example, and regex/rules-based), ... need I go on?