As designers, we start every new site with plenty of ideas. Building each one in HTML or CSS takes a lot of time. If a stakeholder or manager rejects the idea, you have to rework the app mockup from the start. A mockup tool lets you test the idea before you write any code.
1. Balsamiq Mockups
4 min read
With a free trial of 30 days and a basic plan beginning from $12 every month, Balsamiq offers a program-based Web UI mockup tool. It has what you need for a simple model: icons, buttons, outlines, text generators and other components. There is also a toggle button that lets you switch between a sketch-like format and a genuine interface. Related: web development services.
2. Proto.io
Proto.io is a Web UI mockup device that gives a 15-day trial plan. It suits you if you want to show every UX feature of your site, including animations. You have the freedom to build a unique prototype.
3. ProtoPie
Much the same as Proto.io, this tool permits intelligent prototyping with no coding information. You can apply the latest styling features to your design. You can also use phone sensors such as tilt, touch and sound in your prototypes.
4. Justinmind
Justinmind is an app mockup free tool that permits you to make an interactive and useful model or wireframe. You can build each UI element your website needs, such as dropdowns and toggle animations. You can add shadows and other effects to your components, and make prototypes for desktop and mobile devices.
5. Flinto
This is a Mac-based WebUI mockup tool that is well known among many around the world. You can make dynamic models having animated transitions, customized scrolling, audio cues, and different highlights. Related: mobile app development.
6. Sketch
This iPhone app mockup tool is mainstream among designers who want to work in macOS. The purpose of its fame is its effortlessness. Without a doubt, the tool is more natural than Adobe Photoshop and makes prototyping a simpler and less tedious activity. If your idea is ready, you can bring it to life with this mockup tool.
7. Pidoco
If you are clueless regarding how to design mockups for a mobile app, you can go for Pidoco. For making intelligent UX prototypes and static wireframes, Pidoco is the ideal arrangement. The wireframes can be reproduced in handheld gadgets too. Like every other device, it likewise empowers you to impart your work to your group. Once the wireframes are signed off, a software development company can turn them into a working product.
8. Figma
If you are searching for a WebUI Mockup tool to know how to create an app mockup that designs just as prototyping, Figma is a great option. You can switch between design and prototyping without exporting or syncing files. You can also share the prototype with colleagues by sending a link. If you plan one app for both iOS and Android, a cross-platform developer can build it from the same Figma files.
9. Mockplus
This tool helps you to structure your wireframes easily with more than 3,000 icons and 200 components. You should simply drag them on the canvas as indicated by your thoughts and inside some time, your structure will be prepared.
10. MockFlow
This is another free wireframe tool to know how to create app mockups you can use this Mockflow tool where the components in the library are orchestrated categorically. Related: AI-powered web apps.
For instance, for making the model of a website page, you can get to the Web component pack. When you make the task, you can move it to various stages like “in progress” or “finished.”
Frequently Asked Questions
What's the best tool for creating app mockups in 2026?
Most teams start with Figma: it runs in the browser and covers design, prototyping and developer handoff in one file. Sketch suits Mac-only teams that design for iOS. Balsamiq and MockFlow are quick for low-fidelity wireframes. ProtoPie and Proto.io help when you need realistic interactions. Adobe XD is in maintenance mode (no new features), so it is not a good pick for new projects.
How long does it take to create app mockups?
For a simple app (5-10 screens): 1-2 weeks including stakeholder reviews. Mid-complexity apps (15-30 screens with interaction patterns): 3-5 weeks. Complex apps with detailed design system + multiple user roles: 6-12 weeks. AI-assisted tools can speed up early ideas, but final polish still needs a designer.
Should I create wireframes before mockups?
For most projects: yes. Wireframes (low-fidelity, structural) help align on layout and information architecture without design distractions. Mockups (high-fidelity, visual design) come after wireframes are approved. Skipping wireframes is a common cause of mid-project redesigns. The exception: pure designer-driven products where the visual identity IS the value prop.
How much does professional app mockup design cost in 2026?
For freelance UI/UX designers: entry tier for a complete app mockup set (5-15 screens, basic design system). For agency teams: mid tier for full design with multiple iterations, design system, and developer handoff. Top-tier design agencies charge premium rates for top-end work. Quality varies hugely; always review past work and conduct a small paid trial.
Can I create app mockups myself without design experience?
Yes — modern tools have lowered the barrier dramatically. Figma or Balsamiq with free templates let non-designers create good mockups. The output won’t match a senior designer’s work, but it’s usually good enough for early-stage validation, MVPs, and developer handoff. For brand-critical or design-led products, hire a real designer.
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