Refero is a design-reference library of more than 145,000 web and iOS screens and 12,000 user flows from real products. GroundUI is a library of 626 mobile app screens that each come with editable source code in Flutter, React Native, Jetpack Compose and SwiftUI. Use Refero to study real interfaces; use GroundUI when you want working code for a screen.
| Dimension | GroundUI | Refero |
|---|---|---|
| What you get | Screens with editable source code | Screenshots, flows and styles from real products |
| Library size | 626 screens, 10 flows | 145,000+ screens, 12,000+ user flows |
| Platforms | iOS and Android apps | Web and iOS |
| Source code | Flutter, React Native, Jetpack Compose, SwiftUI | Not offered |
| MCP server for AI agents | Yes, returns build briefs with reference code | Yes, returns screens, flows and styles with structured design metadata |
| Figma | No | Figma plugin |
| Plans | Free (browse and agent briefs), Pro $12/month, Teams $39/month for 5 seats, Lifetime $199 one-time | Free (about 3% of the library), Pro, Team and Enterprise |
Using both: They fit together: Refero for researching patterns across real products, GroundUI for the coded screen your team or coding agent then adapts.
Refero details are from its own site, checked on 3 November 2026. Plans and features change, so check there before deciding.
Browse every screen for free, then connect the MCP server so Claude, ChatGPT, Claude Code or Cursor can build from it.