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APP Modernization
APP Modernization

A modern app without a full rewrite

We modernize apps step by step. Users keep the app they know, and your team gets code it can grow again.

WHO IT IS FOR
Early stage

The app looks outdated

The app still works, but its design and experience lag behind competitors, and store ratings are sliding.

Growth stage

Every release takes longer

The codebase is old, the original developers are gone, and even small changes take weeks and break something unexpected.

Scale stage

Old tech blocks growth

The app runs on libraries or frameworks that are no longer supported, and store requirements or security issues force a change.

WHAT IS INCLUDED
Audit of code, architecture, dependencies and store ratings
Modernization plan: what to refactor, what to rewrite, what to keep
Migration to current technologies: Swift, Kotlin, Flutter, React Native
Performance fixes: start-up time, crashes, memory, battery
UX/UI refresh based on analytics and user reviews
Automated tests and CI/CD so changes stop breaking releases
Gradual rollout without pausing current releases
PROCESS

From request to result

[ 01 ]free · 30 min

Clarity Session

We discuss what's wrong with the app today and what the business needs from it. You leave with the main risks. No sales pitch.

[ 02 ]14 business days

Audit and plan

Code, architecture and analytics audit. You get a modernization plan with priorities, timeline and cost.

[ 03 ]scoped per project

Modernization

We update the app module by module and ship improvements regularly instead of one big launch at the end.

[ 04 ]ongoing, monthly cycle

Support and growth

Monitoring, dependency updates and new features on the modernized base.

Frequently asked questions

and answers

Should we modernize or rewrite from scratch?+

It depends on the audit. A rewrite looks attractive, but it stops product growth for months and loses years of fixes hidden in the old code. Step-by-step modernization keeps the app working and shipping. We recommend a full rewrite only when the old base truly can't be saved, and we explain why.

Will users notice the changes?+

Only the good ones: faster start-up, fewer crashes, a clearer interface. We roll out changes gradually and track ratings and crash rates after every release, so problems are caught before they reach most users.

Can you work with code another team wrote?+

Yes, that's the typical case for modernization. The audit shows the state of the code and the risks, and we document the architecture as we go, so the knowledge no longer lives in one person's head.

How long does modernization take?+

It depends on the size of the app and the state of the code. We give an estimate after the audit, split into stages, so you see the effect of the first changes before committing to the full plan.

THE FINAL STEP TOWARD A SYSTEM

Ready to turn growth
into predictability?

Start with a free 30-minute Clarity Session.