October 30, 2025
Why Uptech?
200+
Software solutions delivered
Expertise in6 industries
Fintech, Healthcare, Logistics, Real Estate, E-commerce, Delivery
9years of experience
in software development, design, QA, and product discovery
Top B2B
Service Provider by Clutch
Cross-Platform App Development Services We Provide
Artem Mysik
Head of Engineering at Uptech
Get a free consultation and project estimate
Get a free consultation
Get a free consultation
Cross-Platform Project By Uptech
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Aspiration
Online Green Banking App
Aspiration is a green fintech company that is good for users and good for the world. Uptech has been working with Aspiration since 2016 to implement secure, fast, and reliable iOS & Android apps.
View Case Study
View Case Study
“We have a lot of interactions, and the Uptech team really feels like they are a part of our team.”
Belsien Thomas Senior Director of Engineering, Aspiration
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contact us
Cross-platform Mobile App Development Services for Your Industry
Cross-platform apps offer a versatile, cost-effective solution for businesses across all industries. See how our cross-platform mobile app development services can enhance your operations and drive success in your field.
Fintech
We build mobile wallets, payment systems, banking, and investment tools—all designed for seamless performance across any device. Security is at the center of our approach, ensuring your apps protect financial data and guarantee safe transactions.
Real Estate
Uptech helps realtors simplify real estate management. Paired with robust cloud systems and APIs, the apps we develop make it easy for users to manage property listings, conduct virtual tours, and interact with clients.
Healthcare
We help businesses enhance healthcare accessibility with apps that operate across multiple platforms. We develop HIPAA-compliant patient data management systems and telehealth tools that offer secure communication and seamless API integration.
Retail & eCommerce
Uptech designs retail and e-commerce apps that provide a consistent buying experience on both Android and iOS. We create solutions with secure payments, analytics, and personalized recommendations, enhancing mobile shopping for your users.
Social
Connectivity is at the core of the social industry, and we meet that with cross-platform app development. Whether for messaging or entertainment, our apps connect users across devices with custom roles, content discovery, and seamless interactions.
Logistics
We help you create apps that keep inventory in check and boost overall efficiency. With real-time asset tracking, smart route planning, and hands-on warehouse management, our solutions simplify logistics for your business.
How We Craft Cross-Platform Applications
01
Product Discovery
Uptech begins with product discovery to identify your app’s market fit. We analyze your target users, assess your competition, and spot opportunity gaps, which helps us shape your product’s value proposition. We also review your goals and business objectives, refining the requirements to align with your needs.
02
Plan and Prototype
Once we ensure that your product will deliver value to the market, we’ll help you prioritize features and craft a strategic plan for you. We create prototypes to visualize content and user flows for your app. Our team also involves your target users at this stage, securing early feedback to polish our development plan.
03
Choose the Tech Stack
We select the right technology stack for your application, often using frameworks like React Native and Flutter for cross-platform development. React Native allows us to build apps with native capabilities, while Flutter enables our engineers to create visually stunning applications across multiple platforms.
04
Assemble Your Team
To start app development, we provide a team of project managers, UI/UX designers, back-end engineers, cross-platform developers, and QA engineers. Uptech begins with a core team and communicates any additional expertise required for your project. You can adjust your team size as needed, and we’ll quickly onboard any specialists you require.
05
UX/UI Design
Our designers leverage their expertise in both Android and iOS to create designs that are consistent across operating systems, ensuring visual appeal and intuitive functionality. Once the designs are finalized, our front-end engineers build your app’s user interface using existing libraries for efficiency.
06
Develop Backend Side
Following a lean approach, our developers build your cross-platform application from scratch, with a focus on creating a robust and scalable backend infrastructure. We apply our expertise in database management, API integration, and security best practices to ensure that your app delivers strong performance and keeps data protected.
07
Perform Software Testing
Our QA engineers test your application against stringent standards using both manual and automated methods. We conduct unit and integration tests to ensure every feature works correctly and perform penetration testing to secure your app. We also test across Android and iOS to ensure it meets high standards on both platforms.
08
Launch and Maintain
Once we achieve all project goals, we make final adjustments to ensure compliance with Google Play Store and Apple App Store requirements. After deploying your app, we remain in close touch to offer ongoing support, regular feature updates, and security patches, enhancing software uptime and adapting to market trends.
Why Choose Uptech as Your Cross-Platform Mobile App Development Company
Partnering with Uptech gives you more than just a market-ready app—it gives you a competitive edge. Discover what it means to work with a leading cross-platform mobile app development company.
Proven Track
Record
Having worked with 250+ companies, we deliver apps that seamlessly integrate the best of Android and iOS. Notably, 80% of our clients come from referrals, reflecting our commitment to quality and client satisfaction.
Top Cross-platform
Engineers
We assign software engineers with proven expertise in cross-platform development to your project. With nearly a decade in the industry, our developers create secure, scalable, and future-proof applications for your business.
Product
Mindset
We’re indeed experts in code, but we also excel in business. Before developing your app, we conduct thorough market research to ensure our solutions not only meet user needs but also drive your business forward.
Flexible
approach
The services we offer at Uptech are designed to adapt to your evolving project requirements, budget, and other needs. Whether you need a full development team, additional staff augmentation, or scalable solutions, the decision is yours.
Secure
Partnership
We safeguard every piece of data we handle. As an ISO/IEC 27001-certified cross-platform app development company, we adhere to best practices for security and privacy, including authentication, encryption, secure code repositories, and NDAs.
Post-Launch
Support
We don’t just stop at development. With a single codebase, we’ll efficiently maintain your app's infrastructure, address security issues, and provide feature updates to adapt your app to progressive user needs.
The Tech Stack Behind Our Cross-Platform Mobile App Development Solutions
It takes the best people and the best tech to build the best products. That means we leverage comprehensive tech stack to create cross platform applications that people love and enjoy using.
React Native
Typescript
Redux, Redux Toolkit
React Navigation
React Native Web
Flutter
Dart
Retrofit
Layered and Modular Architecture
Melos
BLoC
Choose the Cross Platform Development Team Model That Fits Your Product
Dedicated Development Team
Hire a fully managed cross-platform squad – Flutter & React Native engineers, UI/UX designers, QA, and PMs – who work exclusively on your product. Perfect for long-term roadmaps that need continuous feature delivery, performance tuning, and simultaneous iOS + Android releases.
Pricing Model
Time & Material (T&M) with an optional monthly retainer for predictable budgeting and resource allocation.
Request a team
Request a team
Team
Extension
Plug proven cross-platform developers or testers into your existing crew exactly when you need them. Ideal for closing skill gaps, speeding up releases, or scaling capacity without long-term overhead.
Pricing Model
Flexible hourly rate, adjusted to each specialist’s seniority and the engagement’s duration.
Request a team
Request a team
Project-based
Model
Hand us your idea and get a turn-key cross-platform app built on a single codebase. We cover discovery, design, development, testing, and dual-store launch – best for projects with clear scope and deadlines.
Pricing Model
Fixed price for well-defined scopes, or T&M when requirements may evolve.
Request a team
Request a team
Featured Content on Cross Platform App Development
FAQ
Have a question regarding cross-platform mobile development services? Maybe we can answer it here.
What is cross-platform app development?
Cross-platform mobile app development allows you to create a single app that functions seamlessly on Android and iOS devices. We typically use frameworks like React Native and Flutter to develop and deploy your app across these platforms.
What are the benefits of cross-platform mobile app development compared to native mobile app development?
The cost of developing a cross-platform app depends on factors such as complexity, design needs, and location. For a medium-complexity app built in 4 to 5 months, costs typically range from $70,000 to $120,000. If you want a detailed price estimate, talk with our consultants.
How to choose the right cross-platform technology?
Choose the right cross-platform technology based on your project’s needs, team expertise, and performance goals. For apps that need access to native features, React Native is often the best choice. If you prioritize stunning visuals and consistent user experience across platforms, Flutter stands out.
Do you provide some after-release support?
Yes, we offer a Support contract, during which our team is always ready to make small regular changes to your project in response to user feedback, platform updates, or force-major events.
What is your team size?
We are a team of 80 experienced specialists in the following fields: Design, Discovery, Product Development, Back-end & Front-end Development, iOS&Android Development, and QA.
How much does it cost to hire a developer at Uptech?
The average cost to hire a developer depends on the variety factors such as professional experience, hard skill level, geographic location and may more. The Eastern European region is a favorite IT outsourcing region with many proven senior developers. Uptech, particularly, offers an affordable rate of around $50 per hour. The cost may differ depending on the seniority level.
Do you sign an NDA?
Yes, we sign NDA before providing product development services with all clients. We also follow OWASP Secure Coding Practices and GDPR. We treat data security very seriously, and we're committed to helping you comply with stringent regulations.
If you have any questions regarding our services or looking for something else, please feel free to contact us.
For how long are we in the market?
Uptech began as an Android development team in 2016. Together with highly professional Android Engineers, Designers, Product Managers, and QAs, we now offer full-cycle software development services for iOS, Android, and cross-platform apps. We work with clients all over the world and have extensive expertise in working with businesses in the fintech, healthcare, retail, e-commerce, and logistics industries.
Want to discuss your app project?
Get a free consultation with our app developers and receive a project estimate today.
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Uptech is a trusted software development company
200+
projects delivered
4.9
review rating on Clutch
8
countries client coverage
10
in-house products
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