Lovable vs Bolt vs Cursor: which breaks least after deploy
No vendor publishes a post-deploy failure rate. Here is the deploy path each of Lovable, Bolt, and Cursor documents, and which errors that path leaves you with.
Checked against vendor docs on October 14, 2026. No traffic or failure-rate numbers.
What we are not claiming
Lovable, Bolt, and Cursor do not publish how often apps break after they go live. This page does not invent a winner, a percentage, or a "least broken" score. It compares the deploy path in each product's own docs, then points at the errors those paths produce.
Where the live site actually is
Lovable hosts the published app. Publishing deploys a snapshot to a URL on lovable.app (or a custom domain). HTTPS is included. Edits you make after that stay off the live site until you publish again. You do not set up a separate host account for that URL.
Bolt hosts the published app too. The Publish menu puts the project on a bolt.host address. Bolt's hosting docs say you do not need a third-party host for that. On the Free plan, published sites are public. Custom domains are a paid-plan feature. Bolt also documents projects that are published to Netlify, which is a different path from bolt.host. Use the Publish or Update button. Bolt says prompting the chat to publish spends tokens, and those buttons do not.
Cursor's editor docs do not host that website. Cursor's enterprise deployment guide is about installing the Cursor editor and CLI on developer machines and in CI. It is not a Publish button for the app you are writing. When you build a site in Cursor, the live URL comes from whatever host the repository uses, often Vercel or Netlify. (Cursor does document hosting for its own agent platform. That is a different product from the website in your repo.)
What tends to break, from those docs
| Lovable | Bolt | Cursor | |
|---|---|---|---|
| Who serves the site | Lovable, after you publish a snapshot | Bolt, on bolt.host, unless you published to Netlify |
Your host. Cursor does not document a site host for the app |
| When edits go live | The next Publish | Publish or Update | The next deploy on that host |
| Documented sync trap | GitHub sync is one branch, and reconnecting creates a new repo | A chat prompt is the wrong way to publish | The repo can be correct while the host's env vars and build are not |
On Lovable, the live site can be an old snapshot, and GitHub can disagree with the project. See the GitHub sync fix. The backend is often Supabase, so a published app still hits localhost redirects, API keys, and RLS.
On Bolt's own host you still need production env vars. If the project was sent to Netlify instead, refresh 404s are Netlify's SPA rewrite. See Netlify page not found.
On Cursor, the break is the host's break: undefined env vars, npm ERESOLVE, Vercel refresh 404s, or the same Supabase and Stripe errors as the other tools.
So which breaks least?
We can't say. The docs don't measure it. What they do show is where you have to look. Lovable and Bolt fail in their publish step and in the services the project calls. Cursor fails on the host, because the editor never became the host.
Sources
- https://docs.lovable.dev/features/publish (opens in a new tab)
- https://docs.lovable.dev/features/hosting (opens in a new tab)
- https://docs.lovable.dev/integrations/git-sync-overview (opens in a new tab)
- https://support.bolt.new/cloud/hosting/publish (opens in a new tab)
- https://support.bolt.new/cloud/hosting (opens in a new tab)
- https://cursor.com/docs/enterprise/deployment-patterns (opens in a new tab)
Can't fix it? Get help.
If the steps didn't clear the error, send what the screen says. A person can take a look. This is a request for a paid fix, not an instant chat.