Hello! Any suggestions for a SECOND high interest bank account with no salary credit and no minimum spend commitment?

Maybe UOB One account, as you can use 3 giro transaction instead of salary credit. But there is a min credit card spend of $500

I recommend the Citibank's Maxigain savings account - no frills, no salary credit, no minimum spend.

Your Citi MaxiGain account balance can earn a base and bonus interest rate of up to 2.2% interest per annum, up to the first S$150k I believe.

I use Citibank Maxigain for my savings, followed by Standard Chartered. For the rest of it, I then put it into CIMB Fastsaver.