Mobile Billing App Development

I am looking for an app for organic products including vegetables, fruits etc. YOu may contact me on nine-five-nine-eight-three-seven-two-triple seven

I'm looking for an experienced mobile app developer to create a billing app that operates on both iOS and Android platforms.

Key Requirements:
- The app should be user-friendly and efficient for managing bills.
- Experience in mobile app development is essential.
- Please include relevant experience in your application.

Ideal Skills and Experience:
- Proficiency in developing apps for both iOS and Android.
- Strong UI/UX design skills.
- Experience with secure payment processing integration.
- Ability to provide ongoing support and updates post-launch.

Please provide a portfolio showcasing similar projects.