12 Best Firebase Studio Alternatives in 2026 (Free & Paid)
Firebase Studio is google's cloud workspace for building full-stack apps with Gemini (shutting down March 2027), priced at free. If it is too expensive, missing a feature or simply not for you, these are the strongest alternatives we have reviewed.
1
Build full-stack web apps by chatting, with Supabase and one-click deploy
8.6/10
What it is Lovable is a browser-based app builder that turns a written description into a working web application, then lets you keep changing it by chat, by visual edits or by editing the code. Projects come with a built-in backend called Lovable Cloud, which is based on Supabase's open-source foundation and provides a database, user authentication, storage and real-time… Read more →
Pros
- Fastest path from idea to hosted app
- Backend, database and auth built in (Lovable Cloud, on Supabase)
- GitHub sync to hand over to developers
Cons
- Credits run out quickly while iterating
- Complex apps still need a developer
Pricing: Free plan, paid from $25/mo · app builder no-code web
🔥 Deal: Students & teachers: 50% off Pro for up to 12 months
2
Replit Agent builds, runs and deploys apps from a prompt in a cloud workspace
8.2/10
What it is Replit is a cloud development platform where you write, run and host software entirely in the browser or in its mobile apps. Its main AI feature, Replit Agent, builds complete applications from a description: it sets up the project, databases and secrets, tests the app in a browser, fixes problems and deploys it on Replit's hosting. You… Read more →
Pros
- Build, host and deploy in one place
- Agent tests its own work in a browser
- Works from phone or tablet
Cons
- Effort-based pricing is hard to predict
- Lock-in to Replit hosting
Pricing: Free plan, paid from $20/mo · app builder cloud ide
🔥 Deal: Startups: up to $25K in Replit credits
3
v0 Freemium
Vercel's AI app builder for React and Next.js apps
8.1/10
What it is v0 is Vercel's AI app builder. It generates web apps, user interfaces, landing pages and dashboards from prompts, screenshots or Figma files, typically using Next.js, Tailwind CSS and shadcn/ui components. You refine the result in chat or with a visual Design Mode, sync the code to GitHub and deploy to Vercel in one step. The agent can… Read more →
Pros
- High-quality React/Next.js output
- Deploys to Vercel in a click
- Great for UI and landing pages
Cons
- Tied to the Vercel/Next.js stack
- Credit-based pricing
Pricing: Free plan, paid from $30/mo · app builder react vercel
🔥 Deal: Students at listed schools: 1 year of v0 premium free
4
Prompt, run, edit and deploy full-stack web and mobile apps in the browser
8.0/10
What it is Bolt.new is an AI app builder from StackBlitz that runs a complete development environment in the browser. Because the code actually runs there, the AI can install packages, start the dev server, read errors and fix them as it builds. You describe what you want, watch it being built, and then edit by chat or directly in… Read more →
Pros
- Real dev environment in the browser
- Web and mobile (Expo) apps
- One-click deploy
Cons
- Token usage burns fast on larger projects
- No affiliate or sponsorship programme
Pricing: Free plan, paid from $25/mo · app builder web mobile
🔥 Deal: Save up to 28% with yearly billing
5
All-in-one AI app builder with built-in database, auth and hosting
7.8/10
What it is Base44 is an AI app builder that creates complete applications from plain-language descriptions with the backend already included. Database, user authentication, storage, email and hosting are built in, so you do not need to wire up separate services or accounts. It is owned by Wix, whose name appears in the site's footer. The platform targets internal tools,… Read more →
Pros
- Backend built in, nothing to configure
- Good for internal tools and MVPs
- Free plan
Cons
- Less control over the code than Lovable or Bolt
- $16 is the annual-billing rate
Pricing: Free plan, paid from $16/mo · app builder no-code
🔥 Deal: Save 20% on every paid plan with annual billing
6
Agentic vibe coding platform for full-stack web and mobile apps
7.6/10
What it is Emergent is an agentic app-building platform from Emergent Labs, a Y Combinator S24 company. You describe an application in conversation and its AI agents build it, covering both web and mobile experiences, with hosting on the platform. Users own the generated code, and the platform is SOC 2 and ISO 27001 certified. It competes with Lovable, Bolt… Read more →
Pros
- Agents handle backend and testing
- Web and mobile apps
- Free plan to try
Cons
- Credit-based pricing
- Less mature than the largest builders
Pricing: Free plan, paid from $20/mo · app builder
🔥 Deal: Standard billed annually: $17/month instead of $20
7
Cloudflare's open-source platform for building your own vibe-coding app builder
★ 5.4k · +18 this week · MIT · updated 2026-09-22
7.5/10
What it does VibeSDK is Cloudflare's open-source platform for running a full "vibe coding" product: a user describes what they want, an AI agent plans, edits, deploys and iterates on a complete full-stack app, with a human reviewing along the way. It's meant less as an end-user product and more as the SDK/reference implementation you'd fork to build your own… Read more →
Pros
- Official Cloudflare project with a real production-grade architecture (Durable Objects, Workers, AI Gateway)
- Live previews and git-like rollback via Cloudflare Artifacts reduce risk of agent-generated changes
- Model-agnostic via AI Gateway rather than locked to one LLM vendor
Cons
- Built specifically around Cloudflare's platform, so it's not portable to other clouds without rework
- Aimed at builders creating their own app-builder product, not at end users wanting a ready-made one
Pricing: Open source · cloudflare app-builder vibe-coding workers durable-objects
8
Rork Freemium
Build native iOS and Android apps from a prompt
7.4/10
What it is Rork is an AI app builder focused on mobile. You describe the app you want in chat and Rork generates it, lets you try it on your own phone and helps you get it into the app stores. The company, with offices in San Francisco, Tbilisi and London, positions it as a way for people without coding… Read more →
Pros
- Mobile-first: real native apps
- Preview on your own phone
- App store publishing help
Cons
- Check current plan prices on the site before you commit
- Affiliate terms unverified
Pricing: Freemium · app builder mobile
9
Hostinger's AI builder for web apps and sites, with hosting and domain included
7.0/10
What it is Hostinger Horizons is the AI app builder from web host Hostinger. It has since been merged with Hostinger's website builder into a single product now marketed as Hostinger AI Builder. You describe a website or web app in plain language and it is built and hosted on Hostinger, with a domain, business email, SSL and a built-in… Read more →
Pros
- Hosting, domain and email included
- Very low entry price
- Simple for beginners
Cons
- Lowest price needs a 48-month plan
- Less flexible than developer-focused builders
Pricing: Paid from $2.99/mo · app builder hosting
🔥 Deal: AI Builder from $2.99/month on the 48-month plan (renews at $10.99)
10
Sketch Material 3 Expressive screens in the browser and export them as vibe-coding prompts
★ 8.6k · +344 this week · MIT · updated 2026-10-01
6.6/10
What it does M3E Canvas is a browser-based design tool for sketching Material 3 Expressive screens and turning them straight into vibe-coding prompts. It bridges UI design and AI-assisted code generation: sketch a screen, and the tool writes up a design brief you paste into an AI coding agent, so the agent starts from a precise layout instead of a… Read more →
Pros
- Turns visual design directly into a structured prompt instead of a text description you write by hand
- Supports multiple output languages for the generated prompt
- Free, MIT-licensed and simple to self-host
Cons
- Optional AI features require bringing your own API key for Claude, OpenAI, Gemini or DeepSeek
- Design tool only, not a coding agent itself, so it needs to be paired with one
Pricing: Free · design-tool material-3-expressive ui-design prompt-generator nextjs
11
Open-source, no-code 2D/3D game engine with an AI tutor for building and publishing games
★ 27k · +197 this week · updated 2026-10-02
6.5/10
What it does GDevelop is a free, open-source, cross-platform game engine that lets people build 2D, 3D and multiplayer games with a visual event system instead of writing code. It's aimed at "artists, game devs, teachers and brands," and games can be published to web, Android, Steam and iOS with one click. What is inside - A drag-and-drop scene and… Read more →
Pros
- Mature, very actively developed open-source engine with a large community
- Publishes to web, Android, Steam and iOS from one project
- Free tier is genuinely usable, not just a trial
Cons
- AI features are a bolt-on tutor/credit system, not an agentic coding workflow like the rest of this directory
- Exact dollar pricing for paid tiers isn't published, only credit allowances
Pricing: Freemium · game-engine no-code 2d-3d ai-tutor open-source
🔥 Deal: Save up to 40% on Silver/Gold/Pro plans with annual billing
12
Yao Freemium
Self-hosted platform for managing AI agents and tasks across desktop, mobile and browser
★ 8.1k · +50 this week · updated 2026-09-28
6.5/10
What it does Yao (Yao Agents) is a Go-based, self-hostable platform for organizing AI agents and workspaces so they're accessible from one place across desktop, mobile, browser, or API, instead of being scattered across separate chat windows and tools. What is inside - A task board that turns conversations into trackable, actionable items - Local-first, self-hosted architecture, so your agents… Read more →
Pros
- Unified agent workspace reachable from desktop, mobile and browser against one backend
- Self-hosted/local-first option gives control over data and infrastructure
- Active project with a real commit history and community (8k stars, 4,200+ commits)
Cons
- Dual/non-standard licensing terms need review before commercial use
- Mobile client is explicitly beta-stage
Pricing: Freemium · self-hosted task-board multi-device golang open-api