I am planning to use Argon2 in my Android app to encrypt some sensitive info that is only stored on the user's phone (in an SQLite DB) and not exported anywhere else. From documentation I see that Argon2d is more resistant to GPU based brute-force attacks compared to side-channel attack in 2i.

Would this mean that in my scenario, it'd be better to use the 2d implementation? Since, in "usual" scenarios it is apparently recommended to use 2i.

Finally, is Argon2 studied sufficiently enough, or should I choose the Android natively supported PBKDF2 with HMACSHA1. I can reasonably use 20,000 iterations in the latter.

Basically, I want to delay malpractice/protect user's data from being decrypted through brute-force methods. I do understand that it also depends on the user's password input.