There can be only one!
In the battle of the Fintech Neobanks, money losing Monzo is going head with money losing Revolut. For a monthly fee (can be paid annually), each gives you a metal card but theres more than just a trendy card; this excellent article compares and contrasts the benefits of each. About a three minute read.
Comment: it does seem Neobanks are gradually migrating away from free-to-all to a pay for model. While the attraction of having a clearly stated fee are obvious, are you really getting value for money when paying £116 to £180 per year? It seems to depend upon the individual consumer.