Hello, I can make your Android app within 3~4 days as the price you suggested.
After that, I can also make the iOS app within 3 days.
I am a professional iOS/Android/Web developer, so I can make the admin page also.
Your project requires to develop web backend service to upload images.
The mobile app will be communicated with backend web API by using JSON/XML format.
I am very familiar with development of the mobile app based on web service like your project.
I can complete your project perfectly and delivery quality production.
You can see some of my incredible apps on my portfolio.
I kindly look forward to your response.
Best regards,
DaTian Wu