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Ranked on the record · 37 apps

Best UI Design Tools 2026

Designing an interface often involves more than arranging screens: teams may also need to prototype interactions, share work and prepare a handoff to developers. Compare interactive prototyping and prototype sharing with real-time collaboration, design systems and variables tokens. Desktop app availability can matter to how you work, while developer handoff, free plans and paid-from pricing add practical comparison points. Mockplus, UXPin and Fluid UI are among the tools shown, with Justinmind, Marvel and Proto.io also included. Think about how your process moves from early interface ideas to shared prototypes and development, then weigh the listed features against those needs.

01

Fluid UI

by Fluid UI

Fluid UI suits designers, product managers, developers, entrepreneurs, and others who need to communicate app ideas.

Free plan Free trial From $8.25 a month AndroidiPhone & iPadWebWindowsMacLinux
02

Wondershare Mockitt

Mockitt is built for product, design and development teams, and also supports work across roles such as product managers and marketers.

AndroidiPhone & iPadWeb+4
Record6.6 Visit
03

Mockplus

Mockplus may suit designers, product managers, and non-designers developing early ideas, as well as designers refining interface details.

AndroidiPhone & iPadWeb+4
Record6.4 Visit
04

UXPin

UXPin suits individuals and product teams building interactive prototypes and sharing them for comments.

AndroidiPhone & iPadWeb+2
Record6.4 Visit
05

Figma Slides

It suits teams creating presentations collaboratively and those who want audience participation features such as polls and voting.

AndroidiPhone & iPadWeb+3
Record6.3 Visit
6
Justinmind

Justinmind suits design teams, business analysts, and developers who need to create and share interactive web or mobile prototypes.

AndroidiPhone & iPadWeb+4 $19 a month Record6.1 Visit
7
Lunacy

Lunacy suits designers and teams seeking graphic design tools across desktop and web, including those who need offline or private-cloud workflows.

WebWindowsMac+3 $4.99 a month Record6.0 Visit
8
Marvel

Marvel suits individuals and teams building and sharing app or website concepts, then handing design details to developers.

AndroidiPhone & iPadWeb+1 $12 a month, billed yearly Record6.0 Visit
9
Proto.io

Proto.io suits designers and teams who want to create and share interactive prototypes without coding.

AndroidiPhone & iPadWeb $29 a month Record6.0 Visit
10 WebWindowsMac+2 $89 a year Record5.9 Visit
11
ProtoPie

ProtoPie suits designers and teams building interactive prototypes that use device features or connect multiple devices.

AndroidiPhone & iPadWeb+4 $25 a month, billed yearly Record5.9 Visit
12
FlowMapp

FlowMapp suits UX planners, web designers, and teams pitching or organizing website projects.

WebWindowsMac+1 $15 a month, billed yearly Record5.7 Visit
13
Frame0

Frame0 may suit people creating low-fidelity wireframes, interactive prototypes, or diagrams on a desktop.

WindowsMacLinux $79 one-time Record5.5 Visit
14
Penpot

Penpot suits solo users, small teams, mid-market organizations, and enterprises needing shared design and developer handoff.

WebAPISelf-hosted $7 a month Record5.5 Visit
15 AndroidiPhone & iPadWeb+1 $20 a month, billed yearly Record5.4 Visit
16 WindowsMacLinux €130 a month Record5.3 Visit
17
Sketch

Sketch suits UI and UX designers working on interfaces, design systems, and prototypes, as well as teams that need browser-based review and developer handoff.

iPhone & iPadWebMac $12 a month, billed yearly Record5.3 Visit
18 WindowsMacLinux $89 one-time Record5.3 Visit
19
Moqups

Moqups suits individuals, solo professionals, and teams creating visual product or web materials.

WebBrowser extensionAPI $11 a month Record5.2 Visit
20
NinjaMock

It suits individuals and teams creating interactive app or website wireframes, prototypes, and presentations in a browser.

Web $85 a month, billed yearly Record5.2 Visit
21 WebSelf-hosted $23 a year Record5.1 Visit
22
Principle

Principle suits designers who want to prototype animated interfaces, map multi-screen flows, and share concepts with engineering teams.

iPhone & iPadWebMac+1 $129 one-time Record5.1 Visit
23 Web $12 a month Record5.1 Visit
24
MUI

MUI suits React developers and teams building custom or data-rich interfaces.

Web $299 a year Record5.0 Visit
25
Visily

Visily suits founders, product managers, analysts, developers and teams who need to make UI mockups without a design-focused workflow.

WebBrowser extension $14 a month Record5.0 Visit