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a0.dev vs Bubble: catalog facts
a0.dev	Bubble
Freemium Prices are not listed on the homepage; building starts with a sign-up.	Freemium The fetched homepage does not list prices.
Android, iOS, Web	Web
Builds mobile apps through chat with an AI agent One-click publishing to the App Store and Google Play	AI app generation plus a visual editor Covers design, database, logic and privacy rules in one tool
Hosted platform that requires an account Pricing is not shown on the homepage	Apps are tied to Bubble's platform The research gives little detail on pricing or limits
Downloadable app, Web application, Hosted service	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.