Provide a clear example of a similar job you have done in the past.
Once you provide us detailed requirements, then we can show you some similar portfolio, as I am not sure what Applications to show you, because our team has developed many Applications.
Proposal:
Dear Sir,
I have read Project Description but really need more detailed requirements or at least high level features to estimate it precisely, because based on the project description, it is hard for me to give you any estimate.
Please click on the chat button for further discussion about your project..
Please ignore the bid & once requirements are finalized, I will then give you firm bid.
Look forward to hearing from you & start further discussion thru' private chat.
Regards,
YK
LEADconcept