How to synchronize application DB files without a server?

Question

Software design

I am writing a small desktop application with a SQLite database. After I want to write its mobile version. Suppose the user is using both versions of the application. Is it possible to synchronize its data without a server? That is, save the database file somewhere, for example, dropbox, and then pull the changes from there at startup in the mobile application? To what extent is this the right approach? The base will be small.

Answer 1

There are databases with replication support. For me, this is a more reliable option. There are also special solutions for database replication like symmetricds

Answer 2

Export / import to csv via google drive
But it's better to start, at least heroku / google app engine / firebase / ...