Cross-Platform Productivity App Development

I need a complete mobile solution—a productivity-focused app that runs smoothly on both iOS and Android. I already have the core concept mapped out; what’s missing is the design, coding, and store-ready packaging.

Here’s how I picture the workflow:

• Discovery & wireframing: translate my notes into low-fidelity sketches, then polish them into Figma or Sketch mock-ups.
• UI/UX design: create a clean, distraction-free interface that scales gracefully on different screen sizes.
• Development: build the app natively (Swift + Kotlin) or with a solid cross-platform framework such as Flutter or React Native—whichever you feel delivers the best performance and maintainability.
• Testing & iteration: unit tests, usability walkthroughs, and device lab checks to make sure features stay snappy and bug-free.
• Store preparation: compile release builds, generate the required assets, and guide me through App Store and Google Play submission.

Acceptance criteria
– Feature set matches approved wireframes.
– No critical or major bugs in TestFlight / internal testing.
– App Store and Google Play listings accepted without compliance issues.

If you can own the end-to-end process—from first sketch right through to launch—let’s talk timelines and milestones.