The short version
Base44 is a flexible builder. Describe an app and you get one, with a database, login, and hosting, and its Superagents can run work around the clock across your tools. It suits custom apps, internal tools, and anyone who wants general-purpose agents.
Crevio is built for selling. Checkout options, courses, memberships, bookings, and an email list are there from the start, and its AI bots run the marketing and follow-up with everything they need to know already on hand.
Which one should you pick?
If your idea is a piece of software, build it with Base44. If your idea is something you sell, like a course, a membership, or your time, Crevio gets you selling faster and keeps the selling going.