Mobile App Development Services (Hybrid & Native) with UAT Testing and Quality Assurance

Achieve your business, enterprise and organizational goals with mobile app development services from trusted industry specialists.
SJ Innovation is a mobile app development company specializing in full life cycle custom app development designed to produce market-leading products and application systems.
Mobile App Development Services (Hybrid & Native) with UAT Testing and Quality Assurance

Our Capabilities

Android Native Apps Development
Hybrid app development services with full-stack android development, Java and Kotlin for optimal compatibility, functionality, proprietary designs and top-notch displays.
iOS Apps Development
IOS native app development for custom-tailored B2B or B2C multimedia and full-cycle design and development with AI, ML, AR/VR, blockchain technologies, Objective C, Swift and Swift UI.
Cross Platform and Native App Development
Custom app development for select operating systems based on usability and market goals, topmost cross-platform mobile development frameworks - React Native and Flutter for your various project needs, and cross-platform apps for seamless functionality and transition across platforms.

Our Services

UX design & Prototype
Seamless user flow and experience within B2B or B2C frameworks featuring optimized UI/UX functionality delivered through industry-leading prototyping and development.
App for the tourism industry
Responsive design tourism applications with cross-platform and industry-tailored features optimized for web, mobile, booking, language, payment and user-friendly functionality.
Customized restaurant App for business
Restaurant mobile app development customized to your restaurant, cafe, delivery app and food industry needs with standardized features including search, order, real-time tracking, payment gateway and more.
Customize E-commerce app for buy sell and rent
Dedicated app development for E-commerce platforms and industries with customized features for shopping, selling, renting, product navigation, payment gateways, order tracking, support, ratings, notifications, social media and more.
Custom App for healthcare and education sector
Essential web and mobile app products designed for accessibility, technology integration and digital productivity in the healthcare and education sectors.
Agile mobile design and development methodology
Even project life cycles of extensive complexity can be streamlined with agile design and development via step-by-step sprint workflows, real-time planning and testing, collaborative risk management and feedback updates at every stage.
Mobile app prototype/ MVP
Fully functional mobile app prototypes and Minimum Viable Products (MVP) for rapid market deployment and collaboration with consumers via agile development response.






Project Worked

Who We’ve Worked With

Game Of Falls
Tour Patron
Fine Fitter

Industries We Serve

Banking & Finance
E-commerce & Shopping
Education & E-learning
Food & Drink
Health & Fitness
On Demand Delivery
Photo & Video
Real Estate
Social Networking
Transport & Logistic
Travel & Tourism

Why Us

Culture Based Company with Employee Happiness at its Heart
We’ve been in the business long enough to know that employee happiness means collaboration, focus and benefits transferred directly on the customer.
Extensive Hours of Support Through New York Based Project Team
Our New York based Project Management team offers 18 hours a day on-demand assistance with team sizes and technologies adaptive to your immediate needs.
Excellent Communication Skills
We work hard to establish fluid communication between teams and achieve integrated development from test plan and execution to final product.
Proven QA Team
Our globally renowned and trusted QA Team has over 18 years’ experience delivering transparent services at the cutting edge of software testing capability.
Structured Analysis and Report
We adhere to a structured approach, so all testing stages are based on a detailed analysis covering all areas of the software. Get a detailed report and constant communication with the team to keep abreast of all changes in your software product.
Trusted and Experienced Team
We have 18 years of experience, are globally renowned, trusted, and follow a transparent, well-established communication process from execution to final product.

Technology We Use

Our Client Testimonials

Web & Mobile App Development for Short-Term Rentals Platform

Web Development Mobile App Development
Project Summary
SJ Innovation LLC provides web and app development services for a rental startup. Their work includes PHP and Swift development.
Feedback Summary
SJ Innovation LLC’s work is exceptional. The team is professional, punctual, and on top of the ball. Customers can expect a considerate team that goes the extra mile to ensure tangible results.

“They’re considerate and have
a team of good people.”

Anup Desai
Anup Desai


What are the Top Features that Make React.js Captivating? Which Industries are Utilizing it?
What are the Top Features that Make React.js Captivating? Which Industries are Utilizing it?
Evelyn Menezes
August 15, 2022
What Are the Different Types of Mobile Apps How Do You Choose the Perfect One for your Business
What Are the Different Types of Mobile Apps? How Do You Choose the Perfect One for your Business?
Evelyn Menezes
April 18, 2022
Introduction to Mobile app testing
Introduction to the World of Mobile Application Testing
Gayle Diniz
October 31, 2020