Yeah I don't see the advantages of this compared to `pass` as well.
The whole source code of bash pass [1] is almost as long as a single header file [2] from this C++ software. Plus pass already handles backup... Minimalist heh.
[1] https://git.zx2c4.com/password-store/tree/src/password-store...
[2] https://github.com/JFreegman/SpicyPass/blob/master/src/spicy...