# 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 helps people build websites by describing what they want. Projects can be
continued in the Web app or desktop client, previewed, and published when ready.
The public homepage describes product features, pricing, and frequently asked questions.

## Main pages

- [Home](https://massvai.com): Product overview, pricing, and FAQ
- [Blog](https://massvai.com/blog): Guides to building and publishing apps with AI
- [Terms of Service](https://massvai.com/legal/terms)
- [Privacy Policy](https://massvai.com/legal/privacy)
- [Refund Policy](https://massvai.com/legal/refunds)
- [Contact and Support](https://massvai.com/legal/contact)

## Languages

- [English](https://massvai.com/): [Blog](https://massvai.com/blog)
- [Portuguese (Brazil)](https://massvai.com/pt-BR): [Blog](https://massvai.com/pt-BR/blog)
- [German](https://massvai.com/de): [Blog](https://massvai.com/de/blog)
- [French](https://massvai.com/fr): [Blog](https://massvai.com/fr/blog)
- [Spanish](https://massvai.com/es): [Blog](https://massvai.com/es/blog)
- [Italian](https://massvai.com/it): [Blog](https://massvai.com/it/blog)
- [Hindi](https://massvai.com/hi): [Blog](https://massvai.com/hi/blog)
- [Indonesian](https://massvai.com/id): [Blog](https://massvai.com/id/blog)
- [Thai](https://massvai.com/th): [Blog](https://massvai.com/th/blog)
- [Korean](https://massvai.com/ko): [Blog](https://massvai.com/ko/blog)
- [Japanese](https://massvai.com/ja): [Blog](https://massvai.com/ja/blog)
- [Chinese (Simplified)](https://massvai.com/zh-CN): [Blog](https://massvai.com/zh-CN/blog)

## Guides

- [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.