Professional Mobile App Design Services: Enhance User Experience, Engagement, and Growth
Get the best of both worlds with mobile app design that blends creativity and functionality from intuitive interfaces to seamless navigation and engaging visuals. Designing, optimizing, and scaling your app’s user experience has never been easier. Get your free mobile app design quote today!
"Working with Rectangle on our mobile app design was effortless. The final product is sleek, functional, and perfectly aligns with Lyne’s brand."
Samuel Uche Akuma
CEO
43+
Successful Mobile Apps Designed
6 weeks
Duration of the design project.
89%
Client Satisfaction
Transparent Mobile App Design Pricing Tailored to Your Business Needs
Many agencies take a one-size-fits-all approach to app design but not us. We craft personalized, user-focused designs tailored to your business, industry, and goals. From wireframing to UI/UX design and testing, everything is built to deliver intuitive experiences, increase engagement, and maximize ROI.
Mobile App Design Services Starting at
$2,500
Proven expertise from designing 43+ successful mobile applications, focused on creating seamless user experiences, driving engagement, and maximizing revenue through beautifully crafted and high-performing app interfaces.
App Design Strategy Needs
Mobile app design is more than just aesthetics it’s about strategy, user experience, and creating interfaces that convert. During the design process, we’ll identify the right layouts, styles, and interactions to fit your brand and business goals.
Project Timeline
Every app design project is unique. Timelines can range from a few weeks to ongoing iterations, depending on your goals. The more flexibility and collaboration your team provides, the more impactful and customized your app design will be, helping you achieve sustainable growth.
Product Integration
At Rectangle, we don’t just design your app, we ensure it integrates seamlessly into your overall digital ecosystem. From backend systems and APIs to brand identity and user workflows, our expert team ensures your app design drives measurable results and consistent user satisfaction.
Included in All Mobile App Design Projects
- Professionally crafted, custom app designs that align with your brand identity and vision
- Seamless design strategies and user flows built to enhance experience and boost engagement
- End-to-end testing of usability, interactions, and conversions to measure real business impact
- High-converting, user-friendly interfaces tested for performance
- App layouts and features optimized for accessibility, retention, and growth
- Built-in design functionality tailored to your business goals (dashboards, onboarding, e-commerce, and more)
- Fully optimized app designs for mobile, tablet, and desktop experiences
- Seamless integration with backend systems, APIs, and third-party tools to connect your app with your entire digital ecosystem
- Custom UI/UX elements including screens, icons, and interactive features designed to engage, convert, and grow your brand
- Access to advanced design frameworks and usability analytics to track performance, refine features, and scale your results
Our Mobile App Design Services
Custom UI/UX Design
At Rectangle, we don’t just design app interfaces, we craft experiences that delight users and keep them coming back. Our custom UI/UX design services are built on creativity, psychology, and precision. With Rectangle, your app won’t just look stunning, it will feel intuitive, seamless, and unforgettable.
Cross-Platform Design (iOS & Android)
At Rectangle, we don’t just create designs for apps; we unify your brand across platforms. Our cross-platform design ensures your app performs beautifully on both iOS and Android while maintaining its unique identity. With us, your app becomes a consistent, reliable, and engaging experience no matter the device.
Prototyping & Wireframing
At Rectangle, we don’t just sketch ideas; we bring visions to life before they’re even built. Our prototyping and wireframing services let you see, test, and refine your app concept early. With Rectangle, your app journey starts with clarity, direction, and confidence in every design decision.
App Redesign Services
At Rectangle, we don’t just refresh apps; we transform them into modern, high-performing experiences. Our app redesign services breathe new life into outdated designs, boost usability, and align your app with today’s trends. With Rectangle, your app evolves into something your users will love all over again.
Responsive & Adaptive Design
At Rectangle, we don’t just design for one screen; we design for every screen. Our responsive and adaptive design services ensure your app looks flawless and works seamlessly across all devices and orientations. With us, your app adapts effortlessly, delivering a consistent experience that keeps users engaged anywhere, anytime.
User Testing & Design Validation
At Rectangle, we don’t just design apps, we validate them with real users. Our user testing and design validation process ensures your app isn’t just beautiful, it’s functional, intuitive, and effective. With Rectangle, your app design becomes a tested, proven experience built for user satisfaction and business success.
Completely Custom Mobile App Design
Completely Custom Social Media Strategies
At Rectangle, we know every brand is different. Our team of social media experts works closely with you to build custom strategies tailored to your goals, industry, and audience, ensuring your brand stands out in a crowded digital space.
Proven Results
We don’t just post content we deliver measurable growth. With our data-driven social media campaigns, you can expect increased engagement, follower growth, lead generation, and improved ROI, all backed by detailed analytics that track your success.
Seamless Campaign Management
Enjoy stress-free campaign execution with our dedicated social media managers who put your goals first. As your main point of contact, they ensure clear communication, timely updates, and smooth delivery of every campaign.
Exceptional Client Support
At Rectangle, your success is our priority. Our friendly, hands-on support team is always available, whether you need guidance during campaigns or ongoing optimization to keep results strong.
Innovative Content & Creative
Stay ahead with fresh, on-trend content that resonates with your audience. From scroll-stopping visuals to engaging captions, we create social media campaigns that not only attract attention but also convert followers into loyal customers.
Full-Spectrum Digital Marketing
Rectangle goes beyond social media; we’re your all-in-one digital marketing partner. From content creation and influencer outreach to SEO, paid ads, and email marketing, we build a complete strategy to grow your brand across every channel.
Our Mobile Design Clients
FAQs About Mobile App Design Services
What is mobile app design, and why is it important?
Mobile app design is the process of creating the look, feel, and functionality of your app. A great design ensures your app is visually appealing, easy to use, and keeps users engaged, which directly impacts downloads, retention, and overall success.
How long does it take to design a mobile app?
The timeline depends on the complexity of your app and the features you need. On average, the design phase can take anywhere from 3 to 8 weeks. At Rectangle, we provide a customized timeline based on your goals and requirements.
Do you design apps for both iOS and Android?
Yes! We design apps that work seamlessly across both iOS and Android platforms. Our team ensures that the design is optimized for each operating system while maintaining a consistent brand identity.
Can you redesign an existing mobile app?
Absolutely. Whether your current app needs a visual refresh, improved user experience, or updated features, Rectangle can redesign your app to meet modern standards and deliver better results.
What makes RectangleHQ’s mobile app design services different?
We combine creativity, strategy, and proven performance. Our designs are user-focused, brand-aligned, and results-driven. Plus, we offer seamless project management, ongoing support, and integration with your overall digital strategy.
