vly.ai
Free AI full-stack web app builder with unlimited use, now via Freebuff
If you want a free, unlimited AI web app builder with managed backend and real-time architecture, go to Freebuff Web directly. The product is solid, but as a standalone service vly.ai is effectively dead. Use it knowing it's now part of Freebuff.
- Non-technical users wanting to build full-stack web apps without coding
- Startups rapidly iterating on prototypes and MVPs
- Hackathon participants needing to ship a working app in hours
- Developers seeking AI-assisted coding agents to accelerate development
- Teams requiring on-premise or self-hosted deployment
- Mobile app development (web-only output)
- Projects needing a specific backend framework not supported by the platform
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In short
vly.ai — Free AI full-stack web app builder with unlimited use, now via Freebuff. Best for Non-technical users wanting to build full-stack web apps without coding, Startups rapidly iterating on prototypes and MVPs, Hackathon participants needing to ship a working app in hours. Free to use.
Viability Score
How likely is vly.ai to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- Natural language app creation from prompts
- Advanced coding agents: vly agent 2.0, Claude Code, OpenAI Codex, Gemini CLI
- Realtime-first architecture for AI performance
- Visual backend generation with explanations
- Fully-managed backend with database
- Version control for projects
- Custom domain support
- One-click publishing to production
- Realtime queries and mutations
- End-to-end Type Safety
- 1000+ out-of-box integrations
- Production-ready environments (not just prototypes)
- Migration to Freebuff Web via GitHub SSO
- Unlimited use with no credit system
About vly.ai
vly.ai is an AI-powered full-stack web app builder that went completely free after its 2026 acquisition by Freebuff. Users describe apps in natural language to generate production-ready applications with a managed backend, database, version control, custom domains, and one-click publishing – all without manual coding. Built on a realtime-first architecture optimized for AI, it supports advanced coding agents including vly agent 2.0, Claude Code, OpenAI Codex, and Gemini CLI. The platform boasts over 1,000 integrations, end-to-end Type Safety, and backend visualization. While the standalone vly.ai service has migrated to Freebuff Web, existing projects and new sign-ups are handled through Freebuff, maintaining the same capabilities for free. Verified reviews on Trustpilot give it an average 4.8 stars. Competitors like Lovable and Replit often have credit systems or higher costs; vly.ai now offers unlimited use at $0.
Behind the Verdict
vly.ai (now Freebuff Web) delivers on its promise: describe an app in natural language and get a production-ready full-stack app with backend, database, version control, custom domain, and one-click deploy — all free. The realtime-first architecture and support for multiple coding agents (vly agent 2.0, Claude Code, OpenAI Codex, Gemini CLI) make it a strong choice for rapid prototyping and MVPs. The acquisition and free-forever model are a boon for budget-constrained users. However, there are trade-offs: no mobile app output, no on-premise deployment, and reliance on Freebuff's ecosystem. Also, the product is now Freebuff Web; you cannot sign up on vly.ai directly. Compared to Lovable ($25/mo with credit limits) or Replit (free tier limited), vly.ai's unlimited free access is a clear win for non-critical projects. In practice, we'd use it for hackathon projects, internal tools, and quick MVPs. But for production apps requiring dedicated support or specific backend frameworks, it may fall short. The integration library (1,000+) is impressive, but quality may vary. Overall, a solid free option if you accept the platform's boundaries.
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Use Cases
- Build a full-stack web app from a single prompt
- Iterate on a startup MVP with AI-driven development
- Create a custom CRM with managed backend and database
- Deploy a hackathon project in hours with one-click publishing
- Integrate payment processing via Stripe without manual coding
Models Under the Hood
as of 2026-07-15
Limitations
- As of the acquisition announcement, vly.ai is being merged into Freebuff Web.
- New accounts and project access are moving to Freebuff Web via GitHub sign-in.
- All existing subscriptions have been cancelled.
- No rate limits or context window details are provided on the scraped pages.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
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