Plum ISA - app statement

redpete

I've had money in the Plum ISA for a couple of months and thought I'd check how much interest has been credited. Strangely the transaction list on the app for the ISA does not include the monthly interest credits. I asked on the app help where I could find it. In their response it says "crediting of interest does not show up as a separate transaction in your Plum account".  This seems very odd to me, not something I've seen in any of the many online accounts I have. The total balance does include the interest, and they send an notification each month saying what has been for that month, but why so difficult to include in the app?