In a hyper-connected digital world, businesses relying on outdated legacy applications face operational inefficiencies, security risks, and challenges in innovation. The solution? Application Modernization Services—a strategic approach to transforming legacy systems into agile, cloud-native solutions that align with modern business needs.
App modernization is no longer a luxury; it’s a business imperative. Whether you’re looking to improve customer experience, enable scalability, or reduce technical debt, a well-executed modernization strategy can be the cornerstone of digital transformation. And when guided by industry leaders like InTWO, this journey can be accelerated with measurable outcomes.
What Are Application Modernization Services?
Application Modernization Services involve upgrading legacy software applications using modern technologies, architecture, and practices. This can include:
- Migrating to the cloud (Azure, AWS, GCP)
- Re-platforming or rehosting legacy systems
- Re-architecting monolithic apps into microservices
- Enhancing user experience (UX/UI)
- Integrating with DevOps and CI/CD pipelines
- Leveraging containers and serverless computing
- Adding AI, data analytics, and automation capabilities
The goal is simple: to future-proof your applications for agility, resilience, and innovation.
Why Modernize Legacy Applications?
Businesses across sectors—from finance and retail to manufacturing and healthcare—are turning to app modernization for key benefits:
1. Improve Operational Efficiency
Modernized apps are faster, more responsive, and cost-effective to maintain.
2. Enable Cloud-Native Scalability
Cloud platforms offer auto-scaling, redundancy, and global reach.
3. Reduce Security Vulnerabilities
Legacy systems often lack the latest security patches and compliance features.
4. Accelerate Innovation
Modern platforms support rapid feature deployment and experimentation.
5. Enhance User Experience
Refreshed interfaces and mobile-first designs increase usability and satisfaction.
6. Integrate Emerging Technologies
Easily adopt AI, ML, IoT, and automation when apps are built on flexible architecture.
Common App Modernization Approaches
Not all modernization efforts are the same. Based on the application’s current state and business objectives, organizations typically follow one or more of these strategies:
| Strategy | Description |
| Rehost (Lift-and-Shift) | Move the app to a cloud infrastructure without changing code. |
| Replatform | Minor adjustments to the app to take advantage of cloud services. |
| Refactor | Rewriting parts of the codebase to improve performance or scale. |
| Rearchitect | Changing app architecture (e.g., from monolithic to microservices). |
| Rebuild | Rewriting the entire application from scratch using modern tech. |
| Replace | Retiring legacy systems and replacing them with SaaS solutions. |
Real-World Use Cases for App Modernization
A Financial Institution
Rehosted its COBOL-based system to Azure, reducing infrastructure costs by 60% and achieving real-time data access.
A Retail Company
Re-architected its monolithic eCommerce platform into microservices, enabling faster rollouts during seasonal sales.
A Healthcare Provider
Modernized legacy patient portals to integrate AI chatbots, enhancing patient engagement and appointment booking.
Top Companies Offering App Modernization Services
Choosing the right modernization partner is key to minimizing disruption and maximizing ROI. Here are some leading providers:
InTWO – Cloud-Powered Modernization Experts
InTWO is a global Microsoft Solutions Partner with deep expertise in application modernization, cloud migration, and Azure services. With a proven track record across industries, InTWO helps enterprises:
- Assess legacy environments through detailed discovery
- Design modernization roadmaps aligned to business goals
- Migrate, rehost, or replatform apps to Microsoft Azure
- Build cloud-native solutions with Kubernetes, DevOps, and CI/CD
- Integrate AI, data analytics, and automation to enhance apps
- Ensure security, compliance, and business continuity
InTWO’s value proposition:
By blending technology expertise with a business-first approach, InTWO transforms aging IT landscapes into resilient digital platforms, ready for innovation and growth.
Tata Consultancy Services (TCS)
TCS offers large-scale legacy modernization services, including mainframe rehosting, DevOps integration, and microservices reengineering. Known for its proprietary tools like MasterCraft, TCS supports end-to-end transformation.
Infosys
Infosys uses its Live Enterprise framework to deliver app modernization. Services include legacy migration, cloud-native development, and continuous delivery models for global enterprises.
Wipro
Wipro’s app modernization framework uses AI-driven insights to recommend optimal modernization paths. They have expertise in both private and hybrid cloud transformations.
Capgemini
Capgemini combines domain knowledge with technical depth, offering modular approaches—from lift-and-shift to cloud-native refactoring—for enterprises modernizing critical business apps.
Why Choose InTWO for App Modernization?
Here’s how InTWO stands out in the app modernization space:
| Feature | Benefit |
| Microsoft Azure Expertise | Deep alignment with Microsoft’s best practices for app migration and modernization. |
| End-to-End Lifecycle Management | From assessment to cloud operations, InTWO handles the full modernization journey. |
| Security-First Mindset | Every app modernized with compliance, governance, and data protection in mind. |
| Business-Aligned Modernization | Not just tech upgrades—real business outcomes like cost reduction, speed, and agility. |
| Support for Dynamics & Power Platform | Seamless integration of modernized apps with Dynamics 365, Power Apps, and Power Automate. |
Sample App Modernization Journey with InTWO
Client: A global logistics firm using a 15-year-old desktop ERP system
Challenge:
Inflexibility, on-premises limitations, and lack of mobile capabilities
Solution:
- InTWO performed a comprehensive legacy assessment
- Re-architected the app using microservices and containerized workloads
- Migrated backend databases to Azure SQL Database
- Integrated Microsoft Power BI for real-time analytics
- Deployed to Azure with CI/CD pipelines and automated monitoring
Outcome:
- 50% faster update cycles
- 35% improvement in operational efficiency
- Real-time data availability across mobile and web platforms
- 70% reduction in infrastructure and maintenance costs
Best Practices for Successful App Modernization
- Assess Before You Act
Conduct an application portfolio assessment to determine which apps to modernize, retire, or retain. - Align Modernization with Business Goals
Define KPIs like cost savings, faster time-to-market, or user adoption to measure success. - Choose the Right Modernization Strategy
Not all apps need to be rebuilt; some may just need rehosting or replatforming. - Focus on User Experience (UX)
A modern app should enhance not only functionality but also usability and accessibility. - Leverage DevOps & Automation
Integrate CI/CD pipelines, test automation, and monitoring from day one. - Ensure Governance & Compliance
Define access controls, security benchmarks, and compliance checks throughout the lifecycle.
The Future of App Modernization
As organizations accelerate their digital journeys, the need for real-time, intelligent, and scalable applications will only grow. Technologies like generative AI, event-driven architecture, low-code platforms, and serverless computing are shaping the future of application design and deployment.
Modernization is not just about upgrading technology—it’s about unlocking business agility, empowering teams, and delivering superior customer experiences.
Final Thoughts
Legacy applications are often the backbone of business operations. But without modernization, they can become a liability. With the right partner, businesses can transform legacy pain points into modern digital assets that support innovation, agility, and growth.
Companies like InTWO offer the expertise, frameworks, and cloud-native mindset needed to make that transition smooth, secure, and scalable. Whether you’re starting with one app or looking to overhaul your entire IT landscape, the time to revive, reinvent, and reimagine is now.
