I better give you a real case scenario.
I'm planning a joined expenses tracker. By joined I'm refering to a Husband/Wife thing.
I Have two main possible scenarios for the device relationships...
1 - Have a "Master" device, where the real DB would be installed, and a "slave" one who would then just manage records without actually holding the DB. This would be my ideal one, but I recon it's the least possible one.
2 - Have a relay service, and host the DB... this would equalize the relation between the devices as they would act as clients to the DB service... This is my 2nd best case, wich would force me to buy a good host service for the DB part.
what would be my best bet?