# Massvai > Build production-ready full-stack Next.js apps from a prompt. Get an AI coding agent, live preview, Supabase, GitHub sync, and one-click Vercel deployment. Massvai is an AI app builder: you describe an app in plain language and an AI coding agent generates a production-ready Next.js project with a live preview, Supabase integration, GitHub sync, and one-click deployment. Pricing is credit-based with a free tier. ## Main pages - [Home](https://massvai.com): product overview, pricing, and FAQ - [Blog](https://massvai.com/blog): guides on AI app building (available in 12 languages) - [Terms of Service](https://massvai.com/legal/terms) - [Privacy Policy](https://massvai.com/legal/privacy) ## Blog posts - [How to Build an App With AI in 2026 (Without Writing Code)](https://massvai.com/blog/how-to-build-an-app-with-ai): A practical, step-by-step guide to building a real web app with an AI app builder — from writing your first prompt to owning the code and deploying to production. - [10 App Ideas You Can Actually Build With AI This Weekend](https://massvai.com/blog/ai-app-ideas-to-build-this-weekend): Ten realistic, useful apps you can build with an AI app builder in a weekend — with the exact starting prompt for each one and honest notes on difficulty. - [Lovable Alternatives in 2026: Bolt, v0, Replit and Massvai Compared](https://massvai.com/blog/lovable-alternatives): Looking for a Lovable alternative? An honest comparison of the leading AI app builders in 2026 — code ownership, deployment, pricing models, and who each tool is really for. - [AI App Builder vs. Hiring a Developer: The Real Cost Comparison](https://massvai.com/blog/ai-app-builder-vs-hiring-developer): What does a custom web app actually cost in 2026 — an AI app builder subscription, a freelancer, or an agency? A realistic breakdown with numbers, timelines, and when each option wins. - [What Is Vibe Coding? An Honest Guide for 2026](https://massvai.com/blog/what-is-vibe-coding): Vibe coding means building software by describing outcomes to an AI instead of writing code. Here is what it is, where it works brilliantly, and where it falls apart. - [How to Write Prompts for AI App Builders (With Before/After Examples)](https://massvai.com/blog/how-to-write-prompts-for-ai-app-builders): The difference between a frustrating AI app building session and a great one is almost entirely in the prompts. Concrete techniques with real before/after examples. - [From Prompt to Production: Deploying an AI-Generated Next.js App](https://massvai.com/blog/deploy-ai-generated-nextjs-app): Your AI-built app works in preview — now make it real. A practical walkthrough of taking an AI-generated Next.js project to production with GitHub, Vercel, and a custom domain. - [Can You Really Build a SaaS With AI? A Realistic Guide](https://massvai.com/blog/can-you-build-a-saas-with-ai): Yes, people are launching real SaaS products built with AI app builders — and many are failing at the same three points. What works, what breaks, and an honest launch checklist. - [AI App Builder Pricing Explained: Credits, Messages, and What You Actually Pay For](https://massvai.com/blog/ai-app-builder-pricing-credits): Credit systems in AI app builders confuse everyone. Here is what a credit really buys, why pricing works this way, and how to build more app with fewer credits. - [No-Code vs. AI Coding: Which Should You Choose in 2026?](https://massvai.com/blog/no-code-vs-ai-coding): No-code platforms and AI app builders solve the same problem in fundamentally different ways. A clear-eyed comparison of ceilings, lock-in, costs, and who should pick which.