Lovable vs Bolt: Which AI App Builder Should You Use?

Both turn prompts into full-stack apps. Bolt gives you a terminal and mobile output; Lovable gives you guardrails and a simpler stack. The differences that matter are portability, billing, and how much of the computer each one hides.

by HowAIWorks Team
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Lovable and Bolt do the same thing from opposite directions. Both take a description of an application and give you a working, deployed one. Bolt hands you a real computer and lets the agent drive it. Lovable removes the computer from view.

Neither approach is better in the abstract. They serve different people, and the way to choose is to be honest about which one you are.

At a glance

LovableBolt
MakerLovable (Stockholm)StackBlitz
LaunchedDecember 2023October 2024
Generated stackReact, TypeScript, TailwindFull-stack JS/TS, Node
BackendSupabaseBolt Cloud or Supabase
Terminal accessNoYes
Mobile appsNoYes, React Native via Expo
Code exportFull, via GitHubFull, via GitHub
BillingCreditsTokens
Free tierYes1M tokens/mo, 300K/day cap

Where the code runs

This is the architectural difference, and most of the others follow from it.

Bolt runs everything client-side. StackBlitz's WebContainers give the agent "complete control over the entire environment including the filesystem, node server, package manager, terminal, and browser console" — and that environment is a real Node runtime inside your browser tab, not a remote container. The practical consequence is a very short feedback loop: nothing round-trips to a build server. The other consequence is that you have a terminal, so you can do anything the agent can.

Lovable does not expose an environment at all. You describe, it builds, you see a preview. There is no npm install to watch, no dev server to restart. For its target user this is the entire point.

If you have ever fixed a build by deleting node_modules, Bolt will feel familiar and Lovable will feel like a glass box. If you have not, Bolt's terminal is a surface for things to go wrong on.

The stack you end up with

Lovable is opinionated to the point of prescriptive: React 18, TypeScript, Tailwind CSS, and Supabase for database, auth, and realtime. That is a well-trodden combination, and the narrowness is why Lovable's output tends to be coherent — the agent has fewer decisions to make, so it makes fewer bad ones.

Bolt is broader. Full-stack JavaScript and TypeScript, with Bolt Cloud supplying hosting, databases, auth, and edge functions, or Supabase if you prefer. Design system support is unusually good: Material UI, Chakra, shadcn/ui, and several private corporate systems including Porsche's and the Washington Post's. It also routes across models per task rather than committing to one.

Breadth costs coherence. Without direction, Bolt picks your stack for you, and it does not always pick the same thing twice.

Mobile: Bolt wins outright

There is no contest here. Through its Expo integration, Bolt generates real cross-platform React Native source — not a responsive website in a wrapper. You preview on a device with Expo Go and publish to the App Store and Google Play through EAS.

Two constraints worth knowing before you start. You must say "mobile app" in your first prompt; web projects do not convert cleanly to React Native afterwards. And publishing leaves the browser: EAS cannot run inside a WebContainer, so you will need a local Node install, Git, an Expo account, and Apple or Google developer accounts. The Expo slug is also immutable after the first build.

Lovable builds mobile-responsive web applications. That is a different product.

Money

Both meter usage rather than seats, and both are hard to forecast. They are hard to forecast in different ways.

Bolt bills tokens. The free tier gives 1M tokens per month, capped at 300K per day — hit the daily cap and the agent stops until tomorrow. Pro is $25 per month for 10M tokens with rollover and no daily cap; Teams is $30 per member. The trap is context: long chat histories are re-sent with each request, so a project that has been iterated on for hours costs more per message than the same project did that morning. Plan mode exists partly to mitigate this.

Lovable bills credits. Default Mode charges by task complexity — Lovable's own examples put "make the button gray" at 0.50 credits and "add authentication with sign up and login" at 1.20. Plan Mode is a flat 1 credit per message. Credit value differs between plans, which makes cross-plan comparison genuinely difficult. Lovable renders its prices client-side and has changed packaging, so check lovable.dev/pricing rather than any figure quoted secondhand, including here.

The honest summary: Bolt punishes long sessions, Lovable punishes many small corrections. Neither publishes a number that lets you predict a monthly bill.

What you can take with you

Both export fully to GitHub. Both give you the complete codebase.

This matters more than it sounds, because it is the one decision that is expensive to reverse. In this category, the alternative is real: Base44 exports frontend code only and keeps the backend behind its own SDK. Against that baseline, Lovable and Bolt are on the same side of the line, and the choice between them carries no lock-in penalty.

Lovable's Supabase integration is worth noting here. Supabase is a service you own independently, so leaving Lovable means leaving Lovable, not rebuilding your database. Bolt Cloud is more entangled — though Bolt also supports Supabase if you would rather not be.

Choosing

Pick Bolt if you want a terminal, you want to build a mobile app, you have a design system to conform to, or you expect to drop into the code regularly. Bolt assumes competence and rewards it.

Pick Lovable if you want a working web app without making infrastructure decisions, you value a coherent generated codebase over flexibility, or you are building the sort of thing — an MVP, an internal tool, a prototype for a client — where the fastest correct answer beats the most configurable one.

Pick neither if you are already on Next.js and Vercel, where v0 fits more cleanly than either, or if you want the machine to run unsupervised for an afternoon, where Replit Agent is the more autonomous tool.

Both have free plans. Building the same small application in each will settle the question in an afternoon, and the answer will be about you rather than about them.

Further reading

Frequently Asked Questions

Bolt runs the entire development environment — filesystem, Node server, package manager, terminal — inside your browser using WebContainers, and gives both you and the agent full access to it. Lovable hides the computer: one opinionated stack of React, TypeScript, Tailwind, and Supabase, with no terminal. Bolt also generates real React Native mobile apps through Expo; Lovable does not.
They meter differently, so the answer depends on how you work. Bolt bills tokens: 1M per month free with a 300K daily cap, then $25 per month for Pro with 10M tokens and rollover. Lovable bills credits, varying by task complexity in Default Mode and 1 credit per message in Plan Mode, and renders its prices client-side. Long chat histories are expensive in Bolt because context is re-sent; iterative refinement is expensive in Lovable because each message costs.
Yes, from both. Each syncs to GitHub and gives you the complete codebase. This puts them together on the right side of the most consequential line in this category — Base44, by contrast, exports frontend code only.
Yes. Through its Expo integration Bolt generates real cross-platform React Native source, publishable to the App Store and Google Play via EAS. Publishing is not fully in-browser: it needs a local Node install, an Expo account, and platform developer accounts. Lovable has no mobile equivalent.
Lovable. Bolt's terminal and full environment access are an advantage only if you know what to do with them. If you never intend to read the generated code, Bolt's openness buys you nothing and its token accounting will surprise you.

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