Cross-Platform Productivity Tool App Development

I need a productivity tool mobile app developed for both iOS and Android platforms.

Requirements:
- User-friendly interface
- Task management features
-Image capture

Auto numbering

- Reminders and notifications
- Sync across devices
- Secure login

Ideal Skills and Experience:
- Proven experience in mobile app development
- Strong knowledge of iOS and Android platforms
- UI/UX design skills
- Experience with task management and productivity applications