Contact person: Cross-Platform Productivity Mobile App

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Location: New York, United States

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I’m building a productivity-focused mobile application that must feel identical on both iOS and Android. The goal is a clean, intuitive tool that helps users stay organised and complete tasks quickly, without the distractions common in heavier suites. I will supply the core workflow and rough wireframes; your job is to turn them into a polished, store-ready experience.

The tech stack is flexible as long as performance and maintainability stay high—Swift/Kotlin, Flutter, or React Native are all acceptable. Local data storage with optional cloud sync, smooth offline-online transitions, and standard push notifications will be required. Once the app is stable, I’ll also need guidance through TestFlight and Google Play Console so the first public build rolls out without hiccups.

Deliverables
• Complete, well-commented source code in a single repository.
• Release candidates uploaded to TestFlight and Google internal testing.
• A concise build & deployment guide I can follow for future updates.

Acceptance criteria
• Installs and runs on the two most recent OS versions for both platforms.
• No critical crashes during a 30-minute exploratory test.
• UI matches provided wireframes within a 5-pixel tolerance across common devices.

If this aligns with your expertise, let’s make a lightweight yet powerful productivity tool that users will rely on every day." (client-provided description)