Just reading through the latest post regarding the LeoFinance iOS App and according to the post, you need permission or token.
In my case I install the app few weeks back and it never asked me for any kind of token.
https://leofinance.io/@leofinance/you-re-invited-to-leomobile-private-alpha-testing
I hope you will be able to enjoy LeoFinance iOS App soon :)
Posted Using LeoFinance Beta