For me, they accepted it. 99% of my funds are in my savings account because it earns the most interest. I provided statements for both accounts and highlighted the transfers between the two.
In a covering letter amongst other things, I explained why most of the funds are in a savings account and the ease of transferring between the two via the app and then withdrawals from the ATM with a debit card. Mine was during in person applications and they asked me to demonstrate how transfers are done on the app!
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