What is the regular interest rate for Savings Jars?

Your regular (non-promotional) interest rates are based on your Boost Bank account rank:

Boost Basic:
i) Savings Jar: 1.5% p.a. daily interest
ii) Savings Account: 0.5% p.a. daily interest

Platinum President:
i) Savings Jar: 3.2% p.a. daily interest (default rate)
ii) Savings Account: 2.5% p.a. daily interest