Just to flag that when you open an account with Raisin, they don't explain very well, in my opinion, that you have to fund a raisin account that gives you no interest before you request to move it to an interest-bearing deposit account, even a demand deposit.
So you might think that when you request their teaser rate account, which is with Raisin bank, that they will draw the money from your non-raisin account - but they won't (or can't) unlike say, BOI.
And then if your other bank stops you making the transfer of the full amount you wish to transfer in one go, your money is effectively stuck in the non-interst bearing account with Raisin until you fully fund the transfer you requested to the interest bearing deposit account.
So if you wanted to open a €20k deposit account using money in AIB, AIB might limit your transfers to €10k per day, so your first €10k is in limbo until you fund the balance.
This is very annoying and a cause for concern for the first time Raisin user! After transferring the €10k, It says €0 savings, and shows the €10k as a "reserved amount".
It seems to me that the money must be effectively stuck earning nothing until you fund the balance.
EDIT: I see that the request to transfer to the teaser account can be withdrawn using their website (but perhaps not the app), making available the funds that are earning no interest. Hopefully this helps people maximise their teaser rate interest - just be sure to fund it before opening the teaser account.