Side by side
Alloy vs Fluid UI
Both stand on prototyping software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Extension
Alloy offers a free starting tier and paid plans with different support and security options. Check whether the free credits and codebase setup fit your team's workflow.
Visit Alloy
Free plan AndroidiPhoneLinux+3
Fluid UI combines mockup creation, interactive prototyping and review features, with plans ranging from a free account to paid options. Check the project and user limits against the size of your workgroup.
Visit Fluid UIThe facts
| Alloy | Fluid UI | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Extension | Android, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Pro: $20 a month | Solo: $8.25 a month |
| Plans published | 3 | 7 |
| Maker | Not published | Fluid UI |
| Website | alloy.app | fluidui.com |
| On prototyping software | #6 of 30 | #2 of 30 |
Alloy: what it does well
- Free plan includes unlimited sessions and viewers.
- Supports interactive prototypes and user testing.
- Sessions can become GitHub pull requests.
- Pro includes code export.
- Enterprise includes SAML + SCIM.
What to know first
- Codebase connection requires admin permissions.
- Connecting a codebase takes about 15 minutes.
- Enterprise pricing is custom.
Fluid UI: what it does well
- More than 2,000 built-in components
- Prototypes support taps, swipes and clicks
- Real-time collaboration on cloud-saved projects
- Reviewer mode includes annotations and comments
- Android and iOS preview apps
What to know first
- Solo plan allows five active projects
- Solo plan includes one user license
- Solo costs $8.25 a month
Alternatives to Alloy Alternatives to Fluid UI The whole list