Phoenix is a self-custodial bitcoin lightning wallet that acts as a Bitcoin lightning node on your phone.
You get 12 words (= your seedphrase) with which you can restore your funds anytime if you lose your phone.
you control your keys, phoenix cannot rug you
wallet of satoshi for example can (not that they have this intention, but using centralised custodians opens you up to a lot of vulnerabilities to indeed lose your sats)
so, no trust required with phoenix.
read more here: https://lnshort.it/lnwalletguidenostr also read the FAQ on their website phoenix.acinq.co