Cursor vs onUI
A side-by-side comparison of Cursor and onUI — pricing, license, deployment, and where each tool wins.
Cursor
cursor.com
Cursor is the IDE of the future, built for pair-programming with Powerful AI.
onUI
github.com
Open-source browser extension and MCP server for annotation-first UI pair programming with AI agents. Works with Claude Code, Cursor, Windsurf, Copilot. Chrome, Edge, Firefox. Free, GPL-3.0.
| Feature | Cursor | onUI |
|---|---|---|
| Pricing | Freemium | Freemium |
| Model | Freemium | Freemium |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Category | Code & Development | Code & Development |
| Self-hosted | ✕No | ✕No |
| Free tier | ✓Yes | ✓Yes |
Pick Cursor if…
- ✓You prefer Cursor's feature set or ecosystem fit.
Pick onUI if…
- ✓You prefer onUI's feature set or ecosystem fit.
1–8hlow risk
Light lift — 1-8 engineering hours for a small team.
Export from Cursor: Git history, JSON config
3 things to watch
- ⚠Re-grant SSH keys / OAuth
- ⚠Re-wire CI secrets
- ⚠Fewer tutorials online for onUI — expect more trial-and-error