Native App Update

I'm seeking an experienced mobile app developer to update my existing Android/iOS native app.

Requirements:
- De-activate the subscription option
- Update screens to make the app 100% free
- Remove feature restrictions
- Publish app on Google Play and Apple Store

Ideal Skills and Experience:
- Proven experience in developing and updating native Android and iOS apps
- Strong knowledge of UI/UX design principles
- Familiarity with subscription models and app monetization strategies
- Ability to make seamless updates without disrupting current user experience

Please share your portfolio and relevant experience.