Both LND yes. Main difference is that Breez requires cloud backups and you can only restore within Breez as far as I’m aware, while with Blixt cloud backup is optional and the UI makes it easy to download channel backups locally and export them for use elsewhere if needed.
Another difference is that Breez utilizes a single balance and on chain transactions always involve a swap. Breez does not give the user access to use the underlying on chain wallet for transactions. Blixt gives the user a separate tab to manage and use the on chain wallet. By default Blixt opens channels automatically with on chain funds, but this can be disabled if the user wants to maintain an on chain balance in the app. Blixt also has a better UI for viewing and managing channels.
I still prefer Breez, but Blixt has some nice advanced features for users who need them.