Software Engineering

App Modernization & Migration

Move legacy systems to modern architectures — better performance, lower maintenance.

GG Tech's App Modernization & Migration service moves legacy systems to modern architectures. The move improves performance, lowers maintenance costs, and adds scalability. The goal is to reduce dependence on aging structures and make your system ready to grow on secure infrastructure.

GG Tech Teknoloji estimation modelApp Modernization & Migration · Last reviewed: 2026-06-13
Typical team1 architect + 2 developers
Calendar band824 weeks
Phase split25% inventory & analysis · 45% migration · 20% parallel run & testing · 10% cutover

What grows the budget

  • Missing test coverage
  • Undocumented behavior
  • Downtime tolerance
  • Data volume

Signs of underbudgeting

  • No rollback plan
  • No budgeted parallel run

These are GG Tech Teknoloji planning bands, not a quote — we do not publish prices. Every project is different, so the bands are deliberately wide; they assume a senior, focused team and typical scope, and your project is estimated individually.

What we deliver

App Modernization & Migration

Move legacy systems to modern architectures — better performance, lower maintenance.

Our team combines domain expertise, modern engineering, and research-driven design to build solutions that scale. We work in focused sprints with clear milestones and measurable outcomes.

Discovery, strategy, and roadmap
Production-grade architecture and code
Scalable and secure infrastructure
Post-launch maintenance and continuous improvement

Let's Build Something Great Together!

However, we approach things a bit differently around here.

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