App Modernization Services and Solutions
Mobile App Modernization Services
Stop losing users to slow, clunky apps. We modernize your mobile experience for speed, security, and delight.
Why Aging Mobile Apps Hurt Growth (and How We Fix Them)
We are an application modernization service provider that helps clients uncover and remove the underlying problems plaguing their aging mobile applications — those issues that impede performance and frustrate users while quietly draining revenues.
Poor performance & frequent crashes
The combination of slow screens, frozen loaders, and random app crashes can result in users leaving your application in droves. As a result of lost users, negative reviews increase, and support teams find themselves overwhelmed by the volume of inquiries. Over time, even small glitches accumulate into real revenue losses and brand damage; however, we offer clients a systematic way to eliminate these glitches through app modernization.
Our fix: We conduct a thorough performance audit of the existing app as part of the client's app modernization services to develop an improvement plan. This procedure includes addressing memory leaks, optimizing cold starts, and breaking ANR/crash loops to bring back a rapid, stable user experience.
Outdated design and low user retention
Security vulnerabilities
Difficult maintenance and high operating costs
Incompatibility with new OS versions

From Legacy App to Market Leader: Benefits of Application Modernization Services
We turn legacy mobile apps into scalable, secure, and user-centric solutions that unlock new growth, improve retention, and keep you competitive on every device.
Performance Reborn: Speed and Stability Unleashed
With application modernization services, you say goodbye to crashes, freezing screens, and long load times. We rigorously optimize your codebase and backend communication to deliver blazing-fast response times and rock-solid stability across all target devices.
Result
Maximum uptime and enhanced reliability that keeps users engaged and your brand trusted.
Future-Proof Architecture: Engineered for Tomorrow
Don't let outdated technology limit your ambition. During application upgrade and modernization, we migrate your application to modern, scalable tech stacks (e.g., native development, robust APIs, and cloud services). This clean foundation enables quick iteration and reduces the cost of adding future features.
Result
Agile scalability and cost-effective maintenance that ensures long-term competitiveness.
Better User Experience: Intuitive, Modern, and Conversion-Focused
A great app is simple and enjoyable to use. We redesign the UI/UX with the user journey in mind, implementing modern design standards that are intuitive, accessible, and seamlessly guide users toward your primary conversion goals.
Result
Higher user satisfaction and measurable increase in conversions and business metrics.
Curious what legacy mobile app modernization could do for you?
Modernization Approaches: Choose Your Path
Every legacy application has unique challenges, and you want an experienced application modernization service provider by your side. We offer targeted, context-driven modernization paths, allowing you to select the precise intervention needed to unlock your app's potential: from surgical fixes to full architectural transformation.

Stability & Performance Tuning
Focus: Crash/ANR fixing, cold start optimization, memory/IO profiling.
When to Use: Your app is functionally sound but suffers from crashes (ANR), slow cold starts, or critical memory leaks.

UI/UX Refresh

Architecture Refactor

Dependencies & SDK Debt Resolution

Pipeline & Release Optimization

Cross-Platform Move
Our Mobile App Modernization Services
You’re not getting a patchwork of fixes — you’re getting an end-to-end app modernization company that takes your app from legacy liability to growth-ready product.
Code Refactoring & Optimization
We clean up legacy, “spaghetti” code, remove dead logic, and optimize performance-critical paths. The result is a lean, maintainable codebase that runs faster, crashes less, and is far easier to extend with new features.
UI/UX Redesign
We overhaul your application's interface and user flow, replacing dated aesthetics with a modern, intuitive design. Our focus is on creating fluid navigation and an exceptional user experience that boosts retention and conversion rates.
Architecture Migration (Native → Cross-platform or Vice Versa)
We evaluate your current stack and business goals, then plan and execute a safe migration — whether that’s consolidating into React Native/Flutter/KMP or moving critical flows back to native for performance, reliability, or platform-specific features.
API & Cloud Integration
As part of application modernization services, we modernize how your app talks to the backend. This is achieved by optimizing APIs, integrating new services, and leveraging cloud capabilities. This improves reliability, scalability, and speed, while opening the door to new features and data-driven experiences.
Security & Compliance Upgrade
We harden your app with modern encryption, secure authentication, and updated SDKs and policies. From GDPR/CCPA considerations to store guidelines, we help you stay compliant, reduce risk, and protect user data across platforms.
App Store Relaunch & Optimization
We prepare your app for a strong comeback: refreshed listings, compliant builds, and optimized metadata and visuals. Combined with a stable release and improved UX, this supports better discoverability, ratings, and conversion from store views to installs.
Code Refactoring & Optimization
We clean up legacy, “spaghetti” code, remove dead logic, and optimize performance-critical paths. The result is a lean, maintainable codebase that runs faster, crashes less, and is far easier to extend with new features.
UI/UX Redesign
We overhaul your application's interface and user flow, replacing dated aesthetics with a modern, intuitive design. Our focus is on creating fluid navigation and an exceptional user experience that boosts retention and conversion rates.
Architecture Migration (Native → Cross-platform or Vice Versa)
We evaluate your current stack and business goals, then plan and execute a safe migration — whether that’s consolidating into React Native/Flutter/KMP or moving critical flows back to native for performance, reliability, or platform-specific features.
API & Cloud Integration
As part of application modernization services, we modernize how your app talks to the backend. This is achieved by optimizing APIs, integrating new services, and leveraging cloud capabilities. This improves reliability, scalability, and speed, while opening the door to new features and data-driven experiences.
Security & Compliance Upgrade
We harden your app with modern encryption, secure authentication, and updated SDKs and policies. From GDPR/CCPA considerations to store guidelines, we help you stay compliant, reduce risk, and protect user data across platforms.
App Store Relaunch & Optimization
We prepare your app for a strong comeback: refreshed listings, compliant builds, and optimized metadata and visuals. Combined with a stable release and improved UX, this supports better discoverability, ratings, and conversion from store views to installs.
CUSTOMER STORIES
Latest Tech Expertise to Develop Cross-Platform Mobile Apps
Our Process
Assessment & Audit
Goal: To understand the starting point.
We use our application modernization services expertise to conduct a deep dive into your existing application's code, architecture, performance metrics, and user feedback. We align these technical findings with your core business goals and desired market outcomes
Strategy & Planning
Goal: To define the modernization roadmap.
Based on the audit, we prioritize technical debt, select the optimal modernization path (refactor, redesign, or migration), and define a phased, risk-mitigated application modernization strategy, complete with timelines and resource allocation.
Redesign & Development
Goal: To implement technical and UX improvements.
Our specialized teams execute the planned technical refactoring, UI/UX redesign, and new feature development. We maintain clear communication and use agile sprints to deliver working increments continuously.
Testing & Optimization
Goal: To ensure performance, stability, and security.
We rigorously test the modernized application across multiple devices and OS versions. This includes comprehensive checks for performance, stability (ANR/crash testing), security vulnerabilities, and adherence to all compliance standards.
Launch & Support
Goal: To deploy and continuously improve.
Our app modernization service includes managing the entire app store submission and relaunch process, including phased rollouts. Post-launch, we provide continuous monitoring, performance support, and optimization to ensure long-term success.
Technologies & Expertise
Your app isn’t a playground for experiments. Our application modernization company’s team is made up of senior engineers and certified specialists who work daily with modern mobile stacks, tooling, and app store requirements.

iOS Modernization Stack
We leverage the latest tools to deliver sleek, stable Apple experiences.
- Languages & UI: Swift, Modern UIs (SwiftUI/UIKit).
- Performance: Instruments, MetricKit for deep performance profiling and diagnostics.
- Automation: Fastlane for release automation and streamlining.

Android Modernization Stack
Our focus for application modernization solutions is on native excellence and optimizing the Android ecosystem.
- Languages & UI: Kotlin, Declarative UIs (Compose/Views).
- Monitoring: Crashlytics, Play Vitals for continuous stability and health monitoring.

Cross-Platform Competency
As a part of our application modernization consulting, we provide strategic guidance and execution for unified codebases where appropriate.
- Frameworks: Feasibility assessments and development using React Native (RN), Flutter, and Kotlin Multiplatform (KMP).

CI/CD & DevOps Automation
Reliable releases require robust automation. We establish modern pipelines for efficiency.
Tools: GitHub Actions, Bitrise, Xcode Cloud, and advanced Gradle configurations for continuous integration and delivery.

Quality Assurance & Testing
Our application modernization solutions guarantee stability and correctness through rigorous, automated testing protocols.
- Mobile Testing: XCTest/XCUITest (iOS), Espresso (Android) for native UI and integration testing.
- API Validation: Playwright/Cypress for comprehensive backend and API interaction testing.
We transform aging mobile apps into reliable, future-ready products.

Most of our clients are based in the US because of the tight business connections between the US and Eastern Europe. Additionally, the Middle East, especially Saudi Arabia and the UAE, is becoming another key region for us.
Related services
In-House Development Team
Get a stable, long-term product team instead of juggling freelancers. We handle architecture, development, QA, and releases in-house, giving you predictable velocity, clear ownership, and a partner that knows your product inside out.
UI/UX Design Services
From discovery workshops to clickable prototypes, we design mobile experiences that are intuitive, on-brand, and conversion-focused. Our designers work hand-in-hand with engineers to ensure every screen looks great and behaves flawlessly in production.
Mobile App Development
Need more than modernization? We design, build, and launch new mobile apps end-to-end—covering product strategy, native and cross-platform development, integrations, testing, and store releases to create robust, scalable products from day one.
Our partners
Quality of Our Custom Software Company Is Proven By Our Partners
Our partners include companies from the Inc. 5000 and Europe's 1000 Fastest-Growing Companies
Our partners include companies from the Inc. 5000 and Europe's 1000 Fastest-Growing Companies
Good to know
Why does a business need application modernization services?
What cost savings can companies expect after application modernization?
What are the major challenges in app modernization services?
How long does it take to modernize a mobile app?
What are the risks of not modernizing a mobile app?
Ready to bring your idea into reality?
- 1. We'll carefully analyze your request and prepare a preliminary estimate.
- 2. We'll meet virtually or in Dubai to discuss your needs, answer questions, and align on next steps.







