Fluid UI

Create web and mobile prototypes in minutes with built-in collaboration

About Fluid UI

Fluid UI lets designers, developers, and product owners prototype web and mobile app ideas in minutes and share them instantly. Sharing, feedback, and collaboration are built in, using custom libraries or your own uploaded images for pixel-perfect mobile prototypes. It focuses on fast, easy prototyping to communicate a product vision.

Fluid UI website preview

Live preview of fluidui.com via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Fluid UI: strengths & things to check

Strengths

Free tier available — you can start without paying (freemium model).
Covers prototyping, mockups, collaboration, mobile apps — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 544 tools in the Design & Creative category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Fluid UI pricing

Pricing model	Freemium — a free tier lets you start, and paid plans are available if you need more.
Free access	Yes — free tier, paid upgrades available
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	fluidui.com

Fluid UI key facts

Category: Design & Creative
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: prototyping, mockups, collaboration, mobile apps
Official site: fluidui.com

Fluid UI FAQ

How much does Fluid UI cost?

Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (fluidui.com).

What is Fluid UI used for?

Create web and mobile prototypes in minutes with built-in collaboration Its focus areas in the Design & Creative category: prototyping, mockups, collaboration, mobile apps.

Where can I try Fluid UI?

On its official site, fluidui.com — the Visit Official Site button above goes straight there.

Fluid UI vs alternatives

	Fluid UI	Figma	Moqups	Pixso
Pricing	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas	prototyping, mockups, collaboration, mobile apps	ui, ux, prototyping, collaboration	wireframes, mockups, prototyping, diagrams	ui design, collaboration, prototyping, online
Official site	fluidui.com	figma.com	moqups.com	pixso.net
Directory status	Listed	Featured listing	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Design & Creative category

Design tools for interfaces, graphics, websites, and creative work. The Design & Creative category on Tools Hub currently lists 544 tools. Alongside Fluid UI, it includes ScreenSnap Pro, Luminar Neo, Capture One, Pixelmator Pro.

FreemiumDesign & Creativeprototypingmockupscollaborationmobile-apps

Alternatives to Fluid UI

Tools in the same Design & Creative category that share focus areas with Fluid UI — worth comparing before you commit:

Design & Creative

Figma

Collaborative interface design in the browser.

Freemiumuiuxprototypingcollaboration

Design & Creative

Moqups

Online mockup and wireframing tool for product teams

Freemiumwireframesmockupsprototypingdiagrams

Design & Creative

Pixso

Online collaborative design tool for UI and prototypes

Freemiumui-designcollaborationprototypingonline

Design & Creative

Proto.io

Web-based prototyping platform for interactive app and web prototypes

Paidprototypingmobile-appsinteractionuser-testing

Design & Creative

Anima

Design-to-code platform that turns Figma designs into working code

Freemiumdesign-to-codefigma-pluginprototypinghandoff

Design & Creative

Artboard Studio

Mockup and brand design platform with animation

Freemiummockupsbrandinganimation

More in Design & Creative

Comparing tools in the Design & Creative category? These related listings are worth a look: ScreenSnap Pro — Screenshot annotation and screen recording app—pay once, own it forever; Luminar Neo — AI-powered photo editor with lifetime licenses for desktop, web, and mobile; Capture One — Professional photo editing software with leading tethering and true-to-life color.