MYER
Developed and maintained scalable Warehouse Resource Management software.
Cross-platform App Development
Creating High Performance Apps For Multi-Platform
Anglicare
Mobile app with ARCHIBUS integration kiosk stand software development.
Visuals2Go
Cross-platform mobile & tablet app for disabled people.
NobleOak
A complex financial model with end-to-end and AI customised user journey.
SydneyWater
Custom software integration between SAP ERP and InEight (project controls software).
Hillsong
Mobile donations form with payment gateway integration.
Metro Finance
Designed and developed a web application to manage & streamline shifts.
Site360
SaaS platform – Geofenced visitor management & fully customisable workflow forms.
Acorn Rentals
Custom accident replacement vehicle system that automates the entire rental process.
TaxToday
Streamlining instant refunds with highly secure cloud native application.
Cross-Platform Application Development Company
Businesses no longer need to develop two different applications for iOS and Android to reach their customers, which costs them time and money. At Designpluz, we provide cross-platform mobile app development services for Australian businesses to expand their audience base with high-quality applications across multiple platforms. As a Sydney-based app development company, we create fast, robust, secure, and scalable mobile applications utilising modern frameworks like React Native and Flutter. We focus on developing scalable, user-friendly applications that will help your business grow over time while providing the best possible performance regardless of device or operating system.
Book a Free ConsultationCase Studies
We pride ourselves on the work we deliver and the outcomes we achieve for our clients everyday.
Our commitment to client satisfaction is evident through our genuine 5-star google reviews
I have been working with Designpluz for the past year, and found the team to provide fantastic support in leading various projects.
Steve Jenke
Site 360
The Designpluz team has allowed us to accelerate the time to market for our platform, translating to money in the bank.
David Philips
Biode
I wish I could give you more than 5 Star for the work you have delivered for me Designpluz Team. Your work is fantastic and the professionalism is top notch.
Shashi Singh
YourOSHC
I’ve recently worked with the Designpluz team to develop our site, they have taken a complex offline model and built this into our website.
Sara Gill
NobleOak
I was looking for a design team that could build me a new website and solidify our brand in the market. If I were building a critical website in future, this would be my go-to team.
David Gleig
Bedbug Wholesale
Thx for helping us with our website design and development for our new venture. You made it really easy for us to consider the options available and delivered a great website which presents our services and capability succinctly and professionally to our target clients.
Manish Goklaney
Verveo
The team went above and beyond to launch earlier than expected and handled every challenge with patience and care. They were always responsive, easy to communicate with, and proactive in finding solutions.
Florencia Nicogossian
Topaz Furniture
Working with a dedicated project manager who was our single point of contact made communication seamless and efficient, which allowed us to go live on time and on budget
Mark Camilleri
Bremick
CRC have had a great experience with Designpluz on the development and implementation of our new website. They were thorough in their work making sure our specifications were met with accessibility in mind, and they provided a wonderful contemporary look.
Gwen Rogers
Community Restorative Center
Designpluz is an amazing company to work with! Everyone in their team is lovely to work and collaborate with. They always action task efficiently to make beautiful end results.
Amarni Story
New Age Veneers
Working with Designpluz was a great experience to build our Strathfield Plaza Website. Response time was commendable and overall result was great. Thanks to Mia and the Team!!
Matthew Woo
Strathfield Plaza
An experienced team, a bunch of great people, and simply amazing work. Designpluz was very patient with us as we chopped and changed our project
George Khoury
Knomis
Transparency is key in any partnership, and Designpluz excels in this aspect. They're upfront about their processes, timelines, and costs, which instills trust and confidence in their services.
Trinh Bui
Newington Lane
Priya and Mia have assisted us with our website updates and have been so professional, listening to what we wanted and providing us with updates throughout the process. ...they are so skilled at what they do and excellent at communicating with us on our level!
Joanne Baldwin
KU Legal
Priya and the team were fantastic to work with. They took the time to understand our brief, and deliver amazing results with high attention to detail.
Tommy Lim
SF Capital
The team at Designpluz are fantastic - quick responses; excellent work and just so easy to deal with particularly for website support. They are my go to for any website work.
Anthony Gray
MEAUST
Their answers to questions and general communication was very good which made the whole process a little easier.
Rob Archibald
Emjay Products
They are approachable, responsive, and have consistently taken the time to understand our marketing needs, accommodating all our requests with professionalism and efficiency. Looking forward to continued growth with Designpluz.
Jocelyn Szot
Nover
Our Numbers Tell Our Story
We design and develop high-calibre application.
110
+
110+ Five-star Google reviews showcasing our commitment to excellence.
45
+
Over 45 In-house technology experts driving innovation and quality.
50,000
+
50,000 Australians use our software every day to streamline their work.
1,000
+
Over 1000 Successful projects delivered with precision and expertise.
100
%
100% Fully Australian-owned family business with over 18 years of proven reliability.
40
+
Over $40 Million Processed annually through our software, empowering businesses.
Our Cross-Platform App Development Services
Custom Cross-Platform App Development
We develop custom cross-platform mobile applications using a single codebase, delivering consistent performance across iOS and Android while aligning with your business goals, user requirements, and future growth plans.
UI/UX Design
We create intuitive and visually engaging interfaces with a strong focus on responsive app design, ensuring consistent experiences across platforms while aligning usability with your brand identity and user expectations.
Cross-Platform App Migration
We migrate existing native or legacy mobile applications to modern cross-platform frameworks like React Native or Flutter, improving maintainability, reducing development costs, and enhancing performance across devices.
API & Backend Integration
Our developers manage secure API integration and backend connectivity, allowing your cross-platform application to communicate smoothly with databases, third-party tools, payment gateways and cloud app architectures.
Mobile + Web Synchronisation
We build cross-device applications that synchronise data across mobile, web, and progressive web app environments, enabling users to switch platforms without losing functionality, data, or performance.
App Testing
Each application undergoes rigorous testing to ensure performance, security, and compatibility on devices, operating systems, and screen sizes before launch.
Deployment & Store Submission
We handle app deployment and store submission from start to finish, ensuring full compliance with platform guidelines and smooth, timely publishing to all major app stores.
Maintenance & Updates
Post-launch, we deliver ongoing maintenance, feature enhancements, and regular updates to keep multi-platform apps stable, secure, high-performing, and ready for future growth.
Benefits of Investing in a Cross-Platform App
Cost Efficiency
Using a single codebase reduces the development, testing, and maintenance work required, while ensuring the product performs consistently across different mobile platforms.
Faster Time-to-Market
Cross-platform development results in shorter build cycles. As a result, businesses can release apps more quickly and be able to react to market opportunities without delay.
Wider Audience Reach
By using the same application that supports several platforms, a business can attract more users without doing any additional development work or increasing overall project effort.
Reduced Development Effort
The codebases that are shared between different versions of an application make it easy to update, fix bugs, and add features that will save both time and technical resources.
Scalable & Future-Ready
The architecture of our application is designed for long-term growth, allowing the app to scale smoothly as user demands increase, business needs evolve, and new features or integrations are required.
Easy Updates & Rollouts
A single codebase makes updates easier to develop and release, allowing teams to easily deliver new features and updates to all platforms at the same time with minimal effort.
The core technologies powering our mobile app solutions.
Building high-performing mobile applications requires the right combination of platforms, frameworks, and tools. We use trusted technologies to develop iOS, Android, and cross-platform apps that are built to grow, secure, and tailored to business needs.
Why Choose Designpluz?
Skilled Development Team
Our experienced cross-platform app developers are dedicated to creating scalable and safe applications with the help of modern frameworks, ensuring that the performance is consistent across all devices and platforms.
Cost-Effective Solutions
We provide cross-platform app development services that significantly reduce development and maintenance costs, effectively eliminating the need for multiple native codebases.
Agile & Transparent Process
We use an agile method that supports flexibility, provides regular progress updates, and ensures clear communication throughout the entire cross-platform application development lifecycle.
End-to-End Delivery
Our cross-platform app development company offers all the software solutions you need under one roof, beginning with concept and design, through development, testing, deployment, and support.
Meet your expert team
Priya Songappan
Founder / Creative Head
Leads strategy, UI/UX, and the digital marketing team with 20 years of experience. Priya has worked with businesses of all sizes across diverse industries to drive sustainable business growth through design, strategy, and execution. She is deeply involved in projects from start to finish, as this is where her passion lies.
Jag Kandasamy
Director - Software, AI & Data
Jag has over 20 years of experience in architecture and delivery of enterprise software, large scale websites, eCommerce platforms and ERP integrations. He specialises in secure, scalable cloud architecture on Azure and AWS, ensuring reliable delivery and high-performance solutions from strategy through to deployment and support.
Shaun Cooper
Technical Project Manager
Experienced project manager from a technical background with great communication & client management skills. Shaun has a transparent approach towards projects and has a great eye for detail, resulting in perfection. Approaches projects in a proven, methodical manner, ensuring timely delivery and accurate budget management.
Subanki Chandrasekaran
Technical Business Analyst
Subanki is a Technical Business Analyst with over 15 years of experience helping organisations deliver successful digital solutions. She enjoys turning complex business challenges into clear, practical requirements and works closely with clients, designers, and developers to deliver solutions that are intuitive, scalable, and aligned with business goals.
Murugesan Thangavel
Head of Technology and Delivery
Leading the delivery of enterprise software, web, mobile, and cloud solutions, Murugesan brings over 15 years of industry experience. He brings a wealth of knowledge in Microsoft technologies, Azure, AWS, microservices, and enterprise integrations, enabling companies to modernise their operations with secure, scalable, and high-performing digital solutions.
Veerakumar Krishnasamy
Senior Software Tester
Veerakumar has 7+ years of software testing experience and is well-versed in software automation, manual testing, API testing, database testing, and CI/CD integration. He has extensive experience in Selenium, Playwright, Java and C# and contributes to achieving reliable enterprise software releases quickly and at top quality.
Muthukumar Mathivanan
Senior Frontend Developer (Angular)
Having developed responsive web applications for over 9 years across healthcare, digital wellness, and skilled labour management, he has established strong expertise in Angular development. He has a keen interest in frontend architecture, user experience, and performance, which aids in providing high-quality digital solutions and engaging user experiences.
Our Process of Building a Cross-
Platform App
Step 1
Discovery & Requirement Analysis
We begin by understanding your business goals, target audience, and technical requirements to define a clear roadmap for cross-platform mobile app development.
Step 2
UI/UX Design & Prototyping
Our design team builds interactive wireframes and prototypes that mainly focus on usability. This helps them deliver seamless and consistent experiences across all platforms.
Step 3
Cross-Platform Development & Integration
Using frameworks like React Native, Flutter, and Xamarin, we develop robust apps with smooth backend integration and scalable architecture that support growing business requirements.
Step 4
Testing & Quality Assurance
Comprehensive testing ensures your application runs smoothly, remains secure, and performs reliably and consistently on different devices and operating systems.
Step 5
Deployment & Launch
We manage the complete deployment and launch of your application, ensuring a smooth rollout to all platforms with no major disruptions for users at any stage.
Step 6
Maintenance, Updates & Support
After launch, we provide continuous monitoring, updates, and support to keep your application optimised, secure, and fully up to date as your business and user needs evolve.
Industry We Serve
Manufacturing & Industrial
IoT, AI/ML, ERP, MES, and SCADA are used in our manufacturing app scheduling, inventory sync, and operational reporting for real-time factory visibility. Therefore, we assist you in eliminating expensive bottlenecks and disjointed production systems that impede operations and diminish visibility.
Healthcare & Medical
We develop healthcare apps using EHR/EMR, AI, HL7/FHIR APIs, telemedicine platforms, cloud, and IoT wearables to help you overcome fragmented patient information that slows care delivery, enabling better collaboration and improving administrative efficiency.
Financial Services & FinTech
Financial institutions encounter issues like fraud, cybersecurity risks, and compliance challenges. We help you address these issues by developing secure financial apps using AI, predictive analytics and cloud technologies.
Retail & eCommerce
Customers expect seamless shopping experiences across devices. We develop retail and eCommerce apps with CRM, payment gateways, and inventory integrations to simplify shopping, order tracking, and customer engagement.
Insurance
We help insurance companies improve customer experience, manage policies faster and gain better risk assessment by using OCR, CRM, management systems, claims management software, Cloud and data analytics in our custom insurance apps.
Construction & Real Estate
Manual site reporting slows project decisions. Our cloud-based construction management apps centralise project data, resource planning, and real-time performance monitoring utilising BIM, GIS, ERP, project management software, IoT, drones, and cloud.
Logistics & Supply Chain
Limited visibility into the supply chain causes costly delays. We build logistics software that connects ERP, GPS and warehouse systems for end-to-end visibility. We also streamline operations by connecting inventory, transportation and business management systems in real-time.
Education & eLearning
Manual administrative tasks consume valuable teaching time and result in low student engagement. Our experts use LMS, AI, APIs & learning analytics to automate enrolments, reporting & communication in education apps while improving learning outcomes.
Telecommunications
Legacy systems slow service delivery. We develop telecommunications apps that integrate OSS/BSS platforms and automate service delivery, monitor network performance, and improve customer experiences.
Agriculture & Agribusiness
Agribusinesses face challenges like a lack of visibility into crops, manual farm management, and a lack of data-driven decision-making. Our agriculture apps tackle these challenges using AI, IoT, automation, and data analytics to enhance productivity, sustainability, and operational efficiency.
Government & Public Sector
The evolving citizen numbers and expectations demand a modern digital public service. Legacy systems create data silos and slow public service delivery. We modernise government and citizen service apps with digital identity systems, document management systems, GIS, and cybersecurity.
Wholesale & Distribution
We create wholesale and distribution software that integrates WMS, CRM, EDI, barcode/RFID systems, and inventory management software to automate inventory control, solve issues with manual procurement, delayed order fulfilment, and inaccurate demand forecasting.
Frequently Asked Questions
Which frameworks do you use for cross-platform development?
We use frameworks such as React Native, Flutter, and Xamarin for cross-platform development, selecting the most suitable option based on your app’s performance, scalability, and maintenance needs.
How long does it take to develop a cross-platform app?
Most cross-platform apps take anywhere from one to four months to develop, depending on the features and complexity. The delivery is even faster if a single codebase is used.
Why should I choose cross-platform over native apps?
Multi-platform applications are an effective way of cutting down on the development budget, shortening the time of the product release, and facilitating the maintenance process.
Which industries do you build cross-platform apps for?
We build cross-platform apps for startups and enterprises, which are open to all industries such as healthcare, finance, retail, education, logistics, and the on-demand services sector.
