Cross-Platform Mobile App Development Services
Deliver your app’s vision on multiple platforms without compromising on quality or performance.
WHY CHOOSE US
WHY CHOOSE US
7/9 CLIENTS ARE READY TO RECOMMEND US
Our reputation for excellence is confirmed by 7 out of 9 clients willing to refer ISIXTYNINE, showcasing our standing as a trusted partner in web development, according to Clutch.
top 3,5% of developers
Our detailed selection process ensures that we only work with the most skilled and experienced professionals in the industry. Choose ISIXTYNINE and get reliable specialists on your side.
7 DIFFERENT INDUSTRIES' EXPERTISE
Having honed our skills across seven different industries, we bring a wealth of cross-industry knowledge to innovate and optimize solutions for your specific needs.
High Satisfaction Rates
Achieve your project goals with ISIXTYNINE. A remarkable 98% of our clients express satisfaction with the candidates we provide.
GLOBAL COVERAGE ACROSS TIME ZONES
We operate across six time zones, allowing us to work during your business hours and ensure seamless communication. With ISIXTYNINE, you get a team that works in sync with your schedule.
RAPID TEAM EXPANSION
Join the 35% of our clients who have seamlessly scaled their teams with additional specialists from ISIXTYNINE within just three months of engagement.
Advantages of Cross-Platform App Development
COST-EFFECTIVE DEVELOPMENT
Developing a cross-platform app can be more cost-effective than building separate native apps for each platform. Shared codebases mean reduced development time and resources, leading to significant cost savings.
FLEXIBILITY AND SCALABILITY
Cross-platform development frameworks are designed to be flexible and scalable. As the business grows, the app can be easily scaled or adapted to include new features or support additional platforms.
CONSISTENT USER EXPERIENCE
Cross-platform frameworks ensure that the app provides a consistent look and feel across different devices and platforms. This consistency enhances user experience and brand recognition.
EASIER MAINTENANCE AND UPDATES
Maintaining and updating a single codebase is simpler and more efficient. Any changes or updates can be synchronized across all platforms, ensuring users always have access to the latest features and improvements.
FASTER TIME TO MARKET
With a single codebase to manage, cross-platform apps can be developed, tested, and launched faster. This allows businesses to reach their target audience on multiple platforms in a shorter time frame.
WIDER REACH
Cross-platform apps are compatible with multiple operating systems, allowing businesses to reach a broader audience. This can lead to increased user engagement and potential revenue streams.
CROSS-PLATFORM DEVELOPMENT SERVICES
STAFF AUGMENTATION
FULL-SCALE DEVELOPMENT
POC/MVP APP DEVELOPMENT
UI/UX DESIGN SERVICES
CROSS-PLATFORM DEVELOPMENT CONSULTING
Boost your in-house team with our seasoned cross-platform developers. We provide the expertise you need, whether it's for a short-term project or a long-term collaboration.
HOW WE ENHANCE YOUR TEAM:
Access to experienced cross-platform developers;
Quick onboarding to integrate seamlessly with your processes;
Flexibility to scale up or down based on project requirements;
Expertise in leading cross-platform frameworks and tools.
From ideation to launch, we handle every aspect of your cross-platform app development, ensuring a consistent and high-quality experience across all devices.
OUR END-TO-END APPROACH:
Comprehensive requirement analysis and planning;
Designing for consistency across iOS, Android, and other platforms;
Rigorous testing for performance and user experience;
Deployment and post-launch support.
Validate your app idea quickly and efficiently. We develop Proof of Concept (PoC) or Minimum Viable Product (MVP) to help you test the waters without a full-scale investment.
BRINGING YOUR IDEA TO LIFE:
Rapid development to showcase your concept;
Feedback-driven iterations for refinement;
Scalable solutions ready for full-scale development;
Cost-effective approach to test market viability.
Crafting intuitive and consistent user experiences across platforms. Our design team ensures your app looks and feels perfect, irrespective of the device.
DESIGNING FOR A UNIFIED EXPERIENCE:
User-centric design approach for increased engagement;
Consistency in design elements across platforms;
Interactive prototypes for feedback and iterations;
Adherence to platform-specific design guidelines.
Navigate the cross-platform landscape with confidence. Our experts provide guidance on best practices, tool selection, and strategy to ensure your project's success.
GUIDING YOUR CROSS-PLATFORM JOURNEY:
Strategy formulation based on your business goals;
Recommendations on the best frameworks and tools;
Performance optimization and security best practices;
Continuous support and updates on industry trends.
Cross-platform Tech Expertise
Cross-Platform Frameworks
Backend technologies
CLOUD PLATFORMS
Cross-Platform Frameworks
Harness the power of leading cross-platform frameworks to build scalable and high-performance apps.
WHERE AND HOW WE USE IT:
- Developing apps that provide a consistent experience across multiple platforms.
- Leveraging the strengths of individual frameworks to meet specific project requirements.
- Rapid prototyping and MVP development to quickly test app ideas in the market.
Cases
Explore projects brought to life by our Cross-platform Mobile developers, turning visionary ideas into tangible solutions.
Middle East E-commerce Platform
Middle East E-commerce Platform
Driven by the demands of the retail sector and fueled by modern technology, Zid is a Saudi holding company, dedicated to revolutionizing the retail sector by simplifying the world of e-commerce. Zid provides all the tools you need to digitize and scale your business successfully.Community-Building Platform
Community-Building Platform
Kinlia brings together people who share the values of authenticity, kindness, community, creativity, play, and personal growth.Digital Therapy Solution
Digital Therapy Solution
Upright Technologies is the leading digital health global company specializing in digital therapy and musculoskeletal pain. The company uses biofeedback wearable technology and behavioral science to prevent and treat the most common MSK condition of back pain. Upright's clinically validated technology is recommended by doctors worldwide and won several awards including the Best Medical App at MEDICA.TECH INNOVATIONS FOR YOUR ANDROID APP
Empower your app with the latest tech innovations, ensuring it’s not just functional but revolutionary. Stay ahead, stay relevant, and captivate your audience.
Augmented Reality
Integrate AR features to offer immersive experiences to your users. From virtual try-ons to interactive 3D models, AR can redefine user interactions within your app.
Internet of Things
Connect your app with smart devices and sensors to provide users with real-time data, automation, and enhanced functionalities. IoT integration can open up new avenues for user engagement and utility.
MEET OUR AVAILABLE CROSS-PLATFORM EXPERTS
Whom We Serve
STARTUPS & ENTREPRENEURS
For those launching new ventures or testing innovative ideas, cross-platform development offers a cost-effective way to reach diverse audiences across multiple platforms. We help startups build MVPs and full-fledged apps that resonate with their target users.
SMEs EXPANDING THEIR DIGITAL PRESENCE
Small and medium-sized enterprises looking to expand their digital footprint can benefit from cross-platform apps. We assist SMEs in creating apps that ensure consistent brand representation across Android, iOS, and other platforms.
LARGE ENTERPRISES SEEKING UNIFIED SOLUTIONS
For large corporations aiming for a unified digital solution across various devices and operating systems, cross-platform development is the key. We provide scalable and robust app solutions that cater to a vast user base.
BUSINESSES MIGRATING FROM NATIVE TO CROSS-PLATFORM
Companies looking to transition from native apps to a more versatile cross-platform approach can rely on our expertise. We ensure a smooth migration while retaining essential features and enhancing user experience.
EMBRACE THE CROSS-PLATFORM ADVANTAGE
Specializing in cross-platform solutions that resonate with diverse user bases. Startups to giants, get your MVP ready in as little as 3 to 6 months and venture into the vast mobile landscape.
TESTIMONIALS
Here are testimonials from our valued clients that highlight our unparalleled expertise:It is clear that they very carefully vet the people they hire.
feedback summary:
The developer and the QA tester have exceeded the company’s expectations. They’ve delivered excellent work and eliminated bugs from the platform. They’ve also introduced new features and ensured the flawlessness of the app. ISIXTYNINE manage the engagement well, communicating effectively throughout.
project:
Community-Building Platformcountry
our contribution:
tech stack:
ISIXTYNINE’ work and infrastructure are fantastic.
feedback summary:
ISIXTYNINE has met the client’s requirements and developed an app according to their needs. The app has been down 15,000 times and has an average of 2,200 daily visitors. ISIXTYNINE meets deadlines and stays on budget. Their team works quickly and is responsive through WhatsApp, Confluence, and Jira.
project:
Adventure Sports Equipment Marketplacecountry:
our contribution:
tech stack:
They have skilled and committed development staff.
feedback summary:
ISIXTYNINE’ dedicated development team produces high-quality work. They’re very organized, following a structured workflow to assure each task is complete. Despite some turnover, the current team is responsive and efficient. It will likely be a lasting partnership.
project:
Vehicle Delivery Platformcountry:
our contribution:
tech stack:
I desperately needed quality developers that would stick with me, and I’m certain ISIXTYNINE will do just that.
feedback summary:
The app’s user base has more than doubled thanks to ISIXTYNINE’ ongoing effort. Clear and committed, ISIXTYNINE provides product optimization consulting and has been instrumental in improving the app’s visuals. Their diversity of approaches helps deliver quality for clients of all sizes.
project:
Personalized Movie Recommendation Appcountry:
our contribution:
tech stack:
Priorities of each task were delivered with a strong balance between business and development goals.
feedback summary:
ISIXTYNINE creates iOS and dashboard applications for an jewelry media business. Their most recent project is developing a photo app that can generate a reliable and consistent quality to all mobile phones.
It is clear that they very carefully vet the people they hire.