Where Shorby wins
Retargeting and messaging-first funnels. If you run paid traffic and want pixels firing on your bio page, that is what it is built around.
Bioflow does not manage advertising pixels.
Where Bioflow is different
Retention rather than acquisition. The loyalty program is aimed at the customer who has already found you and needs a reason to come back.
Those are complementary problems, and which one is yours should decide this.