Annual equivalent rate. How much interest you'll get in a year.
The interest rate the account reverts to after any introductory bonus rate.
The minimum amount you have to pay in to open the account.
Whether the account can be managed online.
Which? score based on overall customer satisfaction with the brand and how likely they are to recommend the brand to a friend.
Whether you can transfer money from another ISA into the account.
The maximum amount you can pay in each month.