Multiplatform App Development Services
Mobile apps have come a long way over the years, and with so many operating systems available, cross-platform capabilities are more important than ever. Multiplatform development helps you reach users across iOS and Android devices, as well as through any modern web browser.
When you partner with Big Human, you’re working with a team that’s spent 15+ years designing and shipping successful digital products. Our multiplatform app development services span strategy, design, engineering, and post-launch support, helping you build an app that works seamlessly across platforms and scales over time.
Quinn
Creating a listener-first experience across devices
Seamless Multiplatform App Development
Building for only one operating system means leaving potential users behind. Multiplatform development ensures a broader reach at launch. Working with Big Human means that our multiplatform development team will design a product that works across every device. We’ve built everything from consumer apps and content platforms to eCommerce and enterprise digital products — and we bring that depth of experience to every engagement.
What We Build
App development doesn’t start on a computer. It starts in our first meeting, where we discuss your goals, assess a range of factors, and craft a roadmap custom-built to make sure your app succeeds. Throughout design and development, we integrate with your team and use our years of experience to build a long-lasting, secure product.
Multiplatform App Development Case Study
Quinn partnered with Big Human to refresh its brand and redesign its web and mobile platforms in support of its mission to mainstream gender-inclusive audio erotica. The work included a bold visual update, improved UI/UX, and a custom React Native audio player built for seamless, uninterrupted listening. The result is a refined, scalable platform that reflects Quinn’s inclusive ethos and continues to evolve through an ongoing partnership.
What Our Clients are Saying
"Big Human was an outstanding partner in creating Chelsea Piers Fitness’ first custom mobile app. They took the time to understand the needs of our diverse group of stakeholders… and worked hand-in-hand with our internal development team to ensure we could maintain and build on the product moving forward.”
-Adam Koogler - Chief Growth & Technology Officer, Chelsea Piers
Cross-Platform Experience Optimization
A successful app should reach people across all operating systems, but it needs to run smoothly while doing so. Every app we developed is optimized for cross-platform use to help your users access their information, no matter where they are.
User-Centric Design
We take a user-first approach to every cross-platform app we build. Our extensive quality control and testing process assures that our apps run fast, smoothly, and effectively, with every feature reducing friction to make the experience more intuitive and user-friendly.
Our Multiplatform App Development Capabilities
We approach development as a full product system: aligning strategy, design, and engineering to build multiplatform apps that are secure, scalable, and intuitive down to the details that matter.
Adaptive Frontend Development for Multiple Platforms
Without multiplatform development, building apps for multiple operating systems is costly and time-consuming. Our adaptive front-end approach uses a single codebase to deliver fast, efficient performance across platforms.
Backend Systems Optimized for Cross-Device Performance
Your users deserve an intuitive product that brings value. All apps developed by our team are optimized to work on every computer, tablet, and phone, so users will enjoy a smooth experience no matter what.
Cloud-Based Deployment & Real-Time Synchronization
Multiplatform apps require real-time data synchronization, making cloud-based deployment essential. Rather than prioritizing in-house hardware, cloud-based services enable your team to focus on real-time updates and quality-of-life features.
Feature Parity Across iOS, Android, and Web Iterations
Feature parity is about providing the same functions and behavior across multiple platforms, even if implementations vary. The focus is on consistency, so whether your user prefers their phone or a web browser, feature parity ensures consistency.
Secure Authentication & Data Protection Across Platforms
Security is a top priority during strategy, development, launch, and beyond. Our team uses state-of-the-art authentication and data encryption to keep every transaction secure. These systems preserve user trust and compliance with industry standards.
Modular & Reusable Code Architecture
A critical piece of multiplatform mobile app development is modular code architecture. During development, we create code modules that build up for your app’s back end. Each is purpose-built and reusable, enabling faster load times and simpler updates.
Performance Optimization & Load Balancing
One significant benefit of cloud-based storage and deployment is the ability to distribute the load across multiple services while maintaining speed and reliability. We work this into every app we develop to balance the load and reroute traffic as needed.
Continuous Integration & Deployment for Multi-Platform Updates
We offer post-launch support and maintenance through Continuous Integration (CI) and Continuous Deployment (CD). We use these tools to continuously monitor, test, and update code, then seamlessly merge new features and upgrades into the app’s live version.
Our Multiplatform App Development Process
When you partner with Big Human, you’re working with a team that stays close from early strategy through launch and beyond. We integrate across product design, full-stack development, and post-launch iteration to build multiplatform apps that are cohesive, scalable, and built for real users. As priorities evolve — as they always do — we help teams adapt thoughtfully without losing momentum. Here’s how our process works:
Discovery & Strategy
We start by assessing your goals and plans during an onboarding strategy meeting, taking a targeted approach to find out what sets your mobile app apart. We then work with your team to craft an actionable plan that encompasses design through post-launch marketing and beyond.
Design & Iterate
After strategy, we move into design — creating mockups and prototypes that define the core experience. Through collaborative iteration, we refine flows, UI, and key interactions until the product is ready for development.
Development
Development is where design becomes a real, working product. Our team builds the technical foundation with care, clarity, and close collaboration from start to launch.
Validate & Refine
Stress testing and QA are essential pieces of the mobile app development process. We carefully test for bugs and errors to optimize your app for launch, then refine what matters most so the experience feels seamless for real users.
Post-Launch Support
Great apps improve after launch. We partner with teams to monitor what’s working, prioritize iterations, and ship updates that keep the experience strong as users and needs evolve. And because our team brings strategy, design, engineering, and marketing under one roof, we can support the full next phase of growth, too.
Cross-Platform App Development Solutions
We build multiplatform apps with intention — combining thoughtful strategy, strong UX, and full-stack engineering to deliver experiences that feel seamless across devices. The result is a product that’s cohesive, reliable, and ready to scale.
iOS App Development
Android App Development
React Native Applications
Flutter-Based Cross-Platform Apps
Tablet & Smart Device Optimized Apps
Tech Stacks We Specialize In
When you work with us, you gain a robust tech stack that offers specialized support and services. From design to launch, our team uses a wide range of tools to handle security, design, quality assurance testing, and more to turn your vision into a success.
Native Development: Swift, Kotlin
Our approach to native development involves carefully creating a codebase that works for both Android and iOS. To do so, we use Swift and Kotlin—alongside any other languages needed—so that your app runs smoothly on each specific operating system.
Backend for Mobile Apps: Node.js, Python, PHP
With back-end programming languages such as Python, PHP, and JavaScript (through Node.js), we craft a strong infrastructure to support your app’s functionality. We carefully analyze every intended feature to choose the right tool for the job.
Cloud Platforms & Services: AWS, GCP, Azure, Firebase
Depending on your needs, we may build on AWS, GCP, Azure, or Firebase — selecting the right foundation for scalability, security, and long-term flexibility. The goal is an infrastructure that supports reliable data management as your product grows.
Databases for Mobile Apps: PostgreSQL, MySQL, MongoDB, SQLite
Our development team uses several database technologies to keep all data safe, and we’ll recommend the most appropriate option based on your needs. We use MySQL, PostgreSQL, SQLite, and MongoDB to store, organize, and secure your data.
APIs & Integrations: REST, GraphQL
API integration automates a significant amount of the behind-the-scenes work. Whether you’re looking for a simple option like REST or a more customizable option like GraphQL, we’ll integrate your chosen APIs into your app to help your app’s processes function seamlessly.
App Testing & QA Tools: Appium, XCTest, Espresso
After development, quality assurance is essential. Multiplatform app development can be complex, and stress-testing your systems is a core piece of the process. We use Appium, XCTest, and Espresso to test every feature and update, ensuring your app continues to run smoothly.
DevOps & CI/CD for Apps: Jenkins, GitHub Actions, Bitrise
DevOps is key to maintaining a successful app, so we continuously integrate, deliver, and deploy updates that are ready to run. With Jenkins, Bitrise, and GitHub Actions, we’ll verify that every shift in your code base brings you closer to your vision.
Why Partner with Big Human?
Building a well-functioning multiplatform mobile app takes the right team and the right partners to bring your ideas to life. When you work with us, you’re gaining the support of a team with more than a decade of experience in mobile app development. Throughout the entire development journey, our team works closely with yours to help you create an effective, long-lasting product, whether you're a new-to-market startup or an industry leader.
Strategic Approach
When you choose Big Human, you’re choosing a team that believes in your project. We don’t use templates or generic approaches; instead, we customize our strategy to help you succeed. We identify every feature that makes your idea unique and incorporate it into the project to help your app become a success.
Expertise in Cross-Platform Frameworks
Whether your users prefer iOS, Android, or a web browser, we’ll make sure your app is functional and discoverable for all.
15+ Years of Mobile Product Innovation
We’ve spent 15+ years designing and shipping mobile products across industries — from consumer apps to complex platforms with real operational demands. That experience helps us build apps that are intuitive, scalable, and built to evolve as user needs change.
Trusted by Leading Brands & Emerging Startups
From some of the world’s leading brands to startups just breaking into the market, we seamlessly integrate into every team we work with to guide you towards a successful launch.
Long-Term Maintenance & Post-Launch Support
At Big Human, we offer post-launch assistance and long-term maintenance to ensure your app continues to thrive. Our team is here to help you stay successful in the long run.
Partner with Big Human for Seamless Multiplatform App Development
If you’re developing a multiplatform mobile app, you need experts on your team. When you work with us, you’re gaining access to more than 15 years of experience and some of the industry’s best developers and designers. Contact our team today to start work on your multiplatform product.