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Custom App Design Services That Deliver Intuitive User Experiences

At Granite Codes, we specialize in custom app design services USA, offering user-first design that ensures your mobile and web apps are both aesthetically clean and conversion-optimized. Whether you need an iOS app design, Android app interface, or a web application design, our U.S.-based team delivers fast, high-quality UI/UX design solutions that prioritize the user experience. From mobile-friendly layouts to functional prototypes, we are here to help you build an app that performs beautifully across devices.

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App Design That Blends Aesthetics with Functionality

We offer comprehensive UI/UX app design services tailored to create intuitive, functional apps that users love. Our designs combine high-fidelity screen mockups, custom UI kits, and mobile-responsive layouts to ensure your app looks great on any platform. Whether it’s iOS, Android, or Web, we craft designs that are visually engaging and user-friendly.

  • Full App UI Kits: Custom kits that fit your brand's style.
  • High-Fidelity Screen Mockups: Detailed mockups of your app's interface.
  • Mobile-Friendly Layouts: Responsive designs for both iOS and Android
  • Prototypes: Interactive prototypes that bring your design to life.
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  • Why Choose Us

Your Reliable U.S.-Based App Design Partner

With a deep understanding of the startup ecosystem and the demands of the tech industry, we focus on building designs that not only look good but work even better. Our approach is design-first, ensuring your app not only provides great user experiences but also supports your business goals. We prioritize direct communication, agile workflows, and a collaborative approach to bring your ideas to life. From wireframes to final UI designs, we help you create a product that resonates with users.

  • 100% Custom UI/UX
  • Mobile & Web Responsive Layouts
  • Wireframes & Screen Flows
  • Modern Design Systems & Accessibility Standards
  • Collaboration-Ready Assets (Figma/XD)
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Pricing That Works for MVPs,
Startups, and Scale-Ups

We offer flexible pricing plans to ensure your app design project fits your budget.
Whether you’re working on a startup MVP or a fully developed mobile app
, we have a package that suits your needs. Each tier includes the necessary deliverables,
like high-quality mockups, source files, and revisions.

Basic Mobile Package

Perfect for validating your app concept

$499.00

Get Started Today
  • 1-hour consultation to understand business requirements, objectives, and target audience.
  • Design 3 key screens (home page, login page, and settings) with basic wireframe layout.
  • Basic color palette and button designs aligned with branding guidelines.
  • Simple UI components like buttons, forms, and text fields.
  • Basic click-through interactive prototype to visualize the app's flow.
  • Provide design files in PNG or JPG format.
  • 2 rounds of feedback and revisions.
  • Final design delivered via email or file sharing with clear instructions on how to proceed with development.
  • Money-back guarantee

Add on: $29 for expedited services

Growth Mobile Package

Investor-ready app design

$1,499.00

Get Started Today
  • 2-hour consultation with in-depth analysis of user personas, competition, and business goals.
  • Design up to 5 key screens with detailed wireframes and UI elements (home page, profile page, product listing, checkout page, and settings).
  • Custom-designed icons, buttons, and forms tailored to brand identity.
  • UI design for both iOS and Android responsive design with user experience optimization.
  • High-fidelity clickable prototype with advanced navigation for user testing.
  • Provide design files in PSD/Sketch/Adobe XD format, along with a style guide.
  • 3 rounds of revisions, including feedback on usability and aesthetics.
  • Optimization of user flow based on initial feedback and basic user testing (optional).
  • 100% money back guarantee

Add on: $89 for expedited services

Premium Mobile Package

 Enterprise-grade mobile solution

$2,999.00

Get Started Today
  • 3-hour consultation for detailed analysis including user research, competitive analysis, and business objectives.
  • Wireframe designs for up to 10 screens with user flows, advanced navigation, and multiple features.
  • Fully custom interface design with custom typography, color palette, unique icons, and interactive elements.
  • UI/UX focus on creating an intuitive user experience, ensuring easy navigation and clear CTAs (calls-to-action).
  • Full high-fidelity prototypes with advanced animations and transitions, optimized for usability.
  • User-centered design based on real feedback from target users.
  • A comprehensive design system with typography, color schemes, and reusable components.
  • Full design documentation and handoff of assets in Figma/Sketch/Adobe XD.
  • Unlimited revisions (within project scope).
  • 1 month of post-launch support for minor tweaks and refinements.
  • 100% money back guarantee *

Add on: $129 for expedited services

Enterprise Mobile App Design Package

 White-Glove Solution for Large-Scale Businesses

$5,999.00

Get Started Today
  • Up to 5 hours of consultation to fully understand extensive requirements, user journeys, and business goals.
  • Design up to 20 key screens, including multiple user flows, complex features, and interaction patterns.
  • Fully tailored user interface design with custom typography, icons, illustrations, and animations.
  • Full-motion prototypes with advanced transitions and interactions.
  • In-depth user testing and design revisions based on feedback.
  • A full design system with reusable components and detailed guidelines for developers.
  • Comprehensive documentation, including design files and developer handoff instructions.
  • Unlimited revisions (within project scope).
  • 1 month of post-launch support for refinements and bug fixes.
  • 100% Ownership Rights
  • 100% Money Back Guarantee

Add on: $179 for expedited services

Redesign & Refresh Mobile App Package

Modernize Your Existing App

$1,499.00

Get Started Today
  • Full audit of the existing app to identify pain points, usability issues, and areas for improvement.
  • Gather feedback from current users through usability tests or surveys to inform the redesign process.
  • Redesign up to 10 key screens (e.g., home, profile, settings, or other frequently used pages).
  • Enhance visual design, optimize user flows, and ensure consistency across the app.
  • Create custom icons, buttons, and UI components to modernize the design.
  • High-fidelity mockups and an updated interactive prototype reflecting the redesign.
  • Update color schemes, typography, and iconography to better align with the current brand identity.
  • 3 rounds of revisions, allowing clients to refine specific areas of the design.
  • Final assets delivered in PSD/Sketch/Adobe XD with a style guide for developers.

Add on: $300 for expedited services

Basic Mobile Package

Perfect for validating your app concept

 

$499.00

Get Started Today
  • 1-hour consultation to understand business requirements, objectives, and target audience.
  • Design 3 key screens (home page, login page, and settings) with basic wireframe layout.
  • Basic color palette and button designs aligned with branding guidelines.
  • Simple UI components like buttons, forms, and text fields.
  • Basic click-through interactive prototype to visualize the app's flow.
  • Provide design files in PNG or JPG format.
  • 2 rounds of feedback and revisions.
  • Final design delivered via email or file sharing with clear instructions on how to proceed with development.
  • Money-back guarantee

Add on: $29 for expedited services

Growth Mobile Package

Investor-ready app design

 

$1,499.00

Get Started Today
  • 2-hour consultation with in-depth analysis of user personas, competition, and business goals.
  • Design up to 5 key screens with detailed wireframes and UI elements (home page, profile page, product listing, checkout page, and settings).
  • Custom-designed icons, buttons, and forms tailored to brand identity.
  • UI design for both iOS and Android responsive design with user experience optimization.
  • High-fidelity clickable prototype with advanced navigation for user testing.
  • Provide design files in PSD/Sketch/Adobe XD format, along with a style guide.
  • 3 rounds of revisions, including feedback on usability and aesthetics.
  • Optimization of user flow based on initial feedback and basic user testing (optional).
  • 100% money back guarantee

Add on: $89 for expedited services

Premium Mobile Package

 Enterprise-grade mobile solution

 

$2,999.00

Get Started Today
  • 3-hour consultation for detailed analysis including user research, competitive analysis, and business objectives.
  • Wireframe designs for up to 10 screens with user flows, advanced navigation, and multiple features.
  • Fully custom interface design with custom typography, color palette, unique icons, and interactive elements.
  • UI/UX focus on creating an intuitive user experience, ensuring easy navigation and clear CTAs (calls-to-action).
  • Full high-fidelity prototypes with advanced animations and transitions, optimized for usability.
  • User-centered design based on real feedback from target users.
  • A comprehensive design system with typography, color schemes, and reusable components.
  • Full design documentation and handoff of assets in Figma/Sketch/Adobe XD.
  • Unlimited revisions (within project scope).
  • 1 month of post-launch support for minor tweaks and refinements.
  • 100% money back guarantee *

Add on: $129 for expedited services

Enterprise Mobile App Design Package

 White-Glove Solution for Large-Scale Businesses

 

$5,999.00

Get Started Today
  • Up to 5 hours of consultation to fully understand extensive requirements, user journeys, and business goals.
  • Design up to 20 key screens, including multiple user flows, complex features, and interaction patterns.
  • Fully tailored user interface design with custom typography, icons, illustrations, and animations.
  • Full-motion prototypes with advanced transitions and interactions.
  • In-depth user testing and design revisions based on feedback.
  • A full design system with reusable components and detailed guidelines for developers.
  • Comprehensive documentation, including design files and developer handoff instructions.
  • Unlimited revisions (within project scope).
  • 1 month of post-launch support for refinements and bug fixes.
  • 100% Ownership Rights
  • 100% Money Back Guarantee

Add on: $179 for expedited services

Redesign & Refresh Mobile App Package

Modernize Your Existing App

 

$1,499.00

Get Started Today
  • Full audit of the existing app to identify pain points, usability issues, and areas for improvement.
  • Gather feedback from current users through usability tests or surveys to inform the redesign process.
  • Redesign up to 10 key screens (e.g., home, profile, settings, or other frequently used pages).
  • Enhance visual design, optimize user flows, and ensure consistency across the app.
  • Create custom icons, buttons, and UI components to modernize the design.
  • High-fidelity mockups and an updated interactive prototype reflecting the redesign.
  • Update color schemes, typography, and iconography to better align with the current brand identity.
  • 3 rounds of revisions, allowing clients to refine specific areas of the design.
  • Final assets delivered in PSD/Sketch/Adobe XD with a style guide for developers.

Add on: $300 for expedited services

Ready to Launch an App with Beautiful & Functional UI?

Great design goes beyond visuals—it’s about creating seamless user experiences that drive engagement, conversions, and brand loyalty. Whether you need a custom UI design for your mobile app or a web app interface, we’re here to turn your ideas into a beautifully functional app that stands out in the market.

Get Stareted
Call Now

A quick Look At Our Portfolio

Our portfolio showcases the creativity and diversity of our design projects. Take a look at the high-quality logos and websites we’ve crafted for U.S.-based clients. We believe in creating original, tailored designs that reflect each client’s unique identity. Our web design portfolio USA demonstrates our ability to cater to businesses of all sizes, from startups to established companies.

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