Simply stay away - BEWARE
Simply stay away. All goes well, until it doesn't, until they randomly decide to block your account and access to your own funds.

Since August 21, 2019 my account is unlawfully blocked. Numerous attempts to contact N26's customer service, gain further insight and solve this issue remained unsuccessful. I am meanwhile seven days without any access to my account. I have to assume that payments I initiated are not processed either. I urged them to take immediate steps and, yet, the only thing their customer agents on their chat are able to say is that my query is being handled, they have no visibility on anything else, and I shall receive an email soon (no ETA). Then, they close the chat. 

Summary:

19.08.2019 – I received an email requesting to re-verify my identity as a routine procedure that all banks have to follow, which I did straight away. In this email it stated that during the re-verification process I would be able to use my N26 card to make purchases or withdrawals, receive money, just would not be able to access my N26 app.

21.08.2019 – Whilst I was trying to pay for my taxi fare, my card was declined and a message on my screen appeared: “We couldn’t process your transaction because your account has been blocked. We’ll email you with details.” I contacted your support team via chat and I was told there was nothing that could be done, my “account was seized” and they couldn’t give me more information apart from the fact that I’d be contacted soon by email. Several agents closed the chat on me without giving me any further information and refusing to escalate this issue. My funds were seized and I didn’t have access to it nor did I have any estimation of when N26 would provide an explanation or transfer my funds to another account. I promptly provided another account number for my money to be transferred.

23.08.2019 – I received an email stating that I haven’t followed the request to verify my identity, resulting in my N26 account being terminated. This is probably from an incorrect template, as I had re-verified my identity on the same date as I received the 1st email (which also stated that I had until the 09.09.2019 to do so. In the same email, there was a request to provide my new account details AGAIN (3rd time) for N26 to transfer my funds.

Between 21.08 and 26.08, several direct debits have been declined and as I haven’t had access to my funds, I have been unable to settle them yet. As of now, I haven’t received my funds in the alternative account number I provided.
 
I am elsewise forced to engage legal support and file for injunctive relieve – demanding coverage of any potential costs or damage that will be caused by the unjustified seizure of my account.

It's now the 28th of August and this issue is still pending.