Hello, Sir. How are you?
Just i read your descriptions carefully.
I am very interested of this.
Bus Tracking app is no problem for me.
It is one of my main skills, and i have full experience about it.
Relevant Skills and Experience
I am an excellent full-time developer in mobile and web development for 8 + years.
I have developed already a lot of apps and websites.
Please check my skills and experiences in my profile.
Proposed Milestones
£500 GBP - I think we can set milestones steps correctly while chatting.
Your all 4 requirements is no problem and i think it is no problem enoughly to implement it using GPS.
UI design and mobile (android and iphone) will be needed and also backend apis must, too. (i think, admin panel also will be needed)
Please contact me and let's discuss about the project details.
I always will do my best for you and help you with many suggestions and advices!
I have done already several apps such as Social, Booking, Food & Drinking, Shopping, Traveling, Dating & Chatting, News & Events, Business & Finance, Photo/Video Editing & Sharing, Heath & Fitness, Map Navigation & Location Tracking, Music Apps and etc.
If you want, I can provide my other portfolios following your request.
So Hope to hear from you soon.
Thanks.