iOS Utility App Development

I'm seeking an experienced iOS app developer to create a utility app with offline capabilities and device integrations such as GPS and camera.

Key Requirements:
- Build for iOS platform
- Core functionalities:
- Offline capabilities
- Integrate device features like GPS and camera

Ideal Skills:
- Proven iOS development experience
- Strong knowledge of offline data handling
- Expertise in device integration and API usage
- Previous experience with utility apps is a plus

Please provide examples of similar work done and a rough timeline for completion.