App Prototyping Company for San Francisco, CA

Transform Ideas into Interactive Prototypes

Flatirons helps startups and enterprises create and refine app prototypes that impress stakeholders and accelerate development.

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Our App Prototyping Services

Flatirons offers a variety of prototyping services to visualize, test, and validate your app concepts early in the development process.
UI/UX Design for Mobile Apps

UI/UX Design for Mobile Apps

Create native and cross-platform mobile applications to bring your prototypes to mobile devices with optimal performance.

Cross-Platform Mobile App Development

Cross-Platform Mobile App Development

Build scalable and responsive web applications tailored to your prototype specifications and user needs.

Cross-Platform App Development

Cross-Platform App Development

Establish consistent design guidelines and component libraries to streamline your app's development and ensure UI coherence.

Software Outsourcing

Software Outsourcing

Rapidly develop and iterate prototypes to visualize your app concept and validate ideas before full development.

Ruby on Rails Development

Ruby on Rails Development

Create intuitive and engaging user interfaces that make your prototypes visually appealing and easy to use.

Our record speaks for itself.

We form long-term relationships with businesses from startups to Fortune 100 enterprises.
3 year
Average client relationship.
5.0 / 5.0
Clutch client rating.
50+
Industry awards.
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Types of Apps We Prototype

We help bring to life prototypes for mobile apps, web applications, and cross-platform solutions.
Game and Immersive Prototypes

Game and Immersive Prototypes

Build prototypes for gaming or immersive experiences to evaluate mechanics and engagement.

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Enterprise App Prototypes

Enterprise App Prototypes

Design and validate prototypes for enterprise applications to optimize functionality and user experience.

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IoT App Simulations

IoT App Simulations

Simulate Internet of Things applications with prototypes that showcase device interactions and data flows.

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Voice App Prototypes

Voice App Prototypes

Create prototypes for voice-controlled applications to test interaction flows and voice commands early in development.

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AR and VR Prototypes

AR and VR Prototypes

Develop augmented and virtual reality prototypes for immersive app experiences and stakeholder presentations.

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UX/UI Design for Prototypes

UX/UI Design for Prototypes

Design user-centric interfaces and user experiences for prototype testing to ensure intuitive usability.

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Rapid Prototyping

Rapid Prototyping

Utilize rapid prototyping techniques to quickly generate prototypes that refine functionality and user flow.

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Web App Wireframes

Web App Wireframes

Develop detailed wireframes for web applications to streamline the development process and align stakeholder expectations.

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Mobile App Mockups

Mobile App Mockups

Design engaging mockups for mobile apps to visualize the user interface and user experience ahead of development.

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Interactive App Prototypes

Interactive App Prototypes

Create and test interactive prototypes of your app to gather user feedback and improve design before development.

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The reviews are in.

Award-winning agency with 5.0 rating on Clutch
5.0/5
25 client reviews
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A trusted partner for your business.

Heidi Hildebrandt
Flatiron's work optimized site design and flow. The creative lead at Flatirons demonstrated exceptional UX know-how, integrating usability and design to deliver a powerful product. The client came out of the engagement with a wider understanding of the most important platform features.
Heidi Hildebrandt

Director of Product

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Jeremy Zaborowski
With the help of Flatirons Development, we were able to launch a large update to our platform, introducing new innovative tools for our clients. The information was complex but Flatirons found creative ways to present it, making it feel simple and easy to understand.
Jeremy Zaborowski

Co-Founder & CTO

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Storey Jones
They deconstructed our idea and provided it back to us in an incredibly smart and accessible manner. Flatirons Development is constantly solving problems in both a visually stunning and intelligent way.
Storey Jones

Founder and CEO

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Brian Bar
Our company is growing, and as we started looking to scale, we wanted a more efficient business model. We hired Flatirons Development to build a platform that would help connect talent with the right company.
Brian Bar

Founder and CEO

Schedule a call
Heidi Hildebrandt
Flatiron's work optimized site design and flow. The creative lead at Flatirons demonstrated exceptional UX know-how, integrating usability and design to deliver a powerful product. The client came out of the engagement with a wider understanding of the most important platform features.
Heidi Hildebrandt

Director of Product

Schedule a call
Jeremy Zaborowski
With the help of Flatirons Development, we were able to launch a large update to our platform, introducing new innovative tools for our clients. The information was complex but Flatirons found creative ways to present it, making it feel simple and easy to understand.
Jeremy Zaborowski

Co-Founder & CTO

Schedule a call
Storey Jones
They deconstructed our idea and provided it back to us in an incredibly smart and accessible manner. Flatirons Development is constantly solving problems in both a visually stunning and intelligent way.
Storey Jones

Founder and CEO

Schedule a call
Brian Bar
Our company is growing, and as we started looking to scale, we wanted a more efficient business model. We hired Flatirons Development to build a platform that would help connect talent with the right company.
Brian Bar

Founder and CEO

Schedule a call
Heidi Hildebrandt
Flatiron's work optimized site design and flow. The creative lead at Flatirons demonstrated exceptional UX know-how, integrating usability and design to deliver a powerful product. The client came out of the engagement with a wider understanding of the most important platform features.
Heidi Hildebrandt

Director of Product

Schedule a call
Jeremy Zaborowski
With the help of Flatirons Development, we were able to launch a large update to our platform, introducing new innovative tools for our clients. The information was complex but Flatirons found creative ways to present it, making it feel simple and easy to understand.
Jeremy Zaborowski

Co-Founder & CTO

Schedule a call
Storey Jones
They deconstructed our idea and provided it back to us in an incredibly smart and accessible manner. Flatirons Development is constantly solving problems in both a visually stunning and intelligent way.
Storey Jones

Founder and CEO

Schedule a call
Brian Bar
Our company is growing, and as we started looking to scale, we wanted a more efficient business model. We hired Flatirons Development to build a platform that would help connect talent with the right company.
Brian Bar

Founder and CEO

Schedule a call

Our Prototyping Technologies

AWS

AWS

Amazon Web Services (AWS) provides cloud computing platforms and services for scalable infrastructure and deployment.
Next.js

Next.js

Next.js is a React framework for building server-side rendered and static websites with improved performance.
React logo

React Native

React Native is a framework for building cross-platform mobile applications using JavaScript and React.
Kubernetes

Kubernetes

Kubernetes is an open-source container orchestration platform used for deploying, managing, and scaling applications.
Axure RP

Axure RP

Axure RP is a comprehensive prototyping tool that allows for creating interactive and highly detailed prototypes.
Figma

Figma

Figma is a cloud-based design tool used for creating UI/UX prototypes and collaborative design workflows.
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People talk about us.

We have been featured in major publications for our award-winning software development work.
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Our App Prototyping Engagement Models

Flexible engagement models tailored to your project scope, timeline, and budget.

Staff Augmentation

Expand your team with skilled developers for app prototyping through Flatirons' staff augmentation services.View More

Project Outsourcing

Outsource the full development of your app prototype to Flatirons for efficient and expert results.View More

The top 1% of design & engineering talent.

Our average employee has 10 years of professional experience in their field.
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“The company treats employees like family and genuinely cares about their well-being.”
Senior Software Engineer

Why Choose Flatirons for App Prototyping?

Flatirons has extensive experience in rapid prototyping, ensuring your ideas are validated and ready for development.
Expertise in Rapid Prototyping

Expertise in Rapid Prototyping

Flatirons specializes in creating quick and effective prototypes that help clients visualize their app ideas, reducing time-to-market and ensuring stakeholder alignment.
User-Centered Design Approach

User-Centered Design Approach

Our team employs user research and testing to develop prototypes that truly resonate with your target audience, enhancing user engagement and satisfaction.
Cutting-Edge Technology

Cutting-Edge Technology

We utilize the latest tools and frameworks to build high-fidelity prototypes that accurately simulate your app's look and feel, streamlining development and reducing revisions.
Experienced Development Team

Experienced Development Team

Flatirons has a proven track record of delivering successful prototypes across various industries, supported by a team of skilled designers and developers.
Client-Centric Process

Client-Centric Process

We work closely with our clients to understand their vision, ensuring that the prototypes meet their expectations and serve as a solid foundation for further development.
Rapid Feedback and Iteration

Rapid Feedback and Iteration

Our iterative prototyping process allows for quick feedback incorporation, making sure the final product aligns perfectly with your goals.
Affordable and Efficient

Affordable and Efficient

We provide cost-effective prototyping services that save time and resources, enabling faster project launches without compromising quality.
Industry Experience

Industry Experience

Flatirons has extensive experience working with startups and Fortune 500 companies, ensuring reliable and innovative prototyping solutions tailored to your industry.
Specialties
Specialties

Hire Top App Prototyping Experts

We employ skilled UI/UX designers and prototyping specialists to elevate your app concepts.

Benefits of App Prototyping

Discover how prototyping reduces risks, accelerates feedback, and enhances user experience before development.

FAQs about App Prototyping

Explore common questions and answers related to app prototyping services with Flatirons.

App prototyping involves creating an early, simplified version of a mobile or web application to visualize its design, functionality, and user experience before full development begins. It helps stakeholders provide feedback and make informed decisions.
Prototyping is crucial because it allows for testing ideas, validating user experience, identifying potential issues early, and saving time and costs by refining features before actual development starts.
The duration to create a prototype depends on the complexity and features of the app, but typically it ranges from a few days to a few weeks.
We utilize industry-standard tools like Figma, Adobe XD, ProtoPie, and Axure to develop interactive and high-fidelity prototypes that accurately represent the final product.
Yes, we integrate UX best practices into our prototypes to ensure intuitive navigation, user engagement, and an overall positive user experience.
The cost varies based on the scope and complexity of the prototype, but we offer competitive pricing tailored to your project's needs after an initial assessment.
Prototyping is applicable for most app types, including mobile, web, enterprise, and consumer apps, to visualize ideas and refine features before development.
Prototyping ensures alignment between stakeholders and developers, highlights design and usability issues early, and streamlines the development process by establishing clear requirements.
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