Hello Sir,
We have a team of dedicated software and mobile app developers. We can deliver you the windows based standalone application or android app (as per your requirement) for this task within 6 working days.
We are GDPR compliant organization and would love to maintain privacy. Just to add one more point overhere, the bid amount is exclusive of third party application charges like SMS Gateways, etc.
Wold love to do business with you, kindly let us know more to this.
Regards,
Increpe Technologies