Real-Time GPS Tracking Solution

I need a dependable way to see one person’s whereabouts at any moment. The priority is GPS tracking only; no social-media or online-activity monitoring is required. The person carries a smartphone and also drives a car, so your solution must cover both devices seamlessly on the same map interface... (Budget: ₹1000 - ₹15000 INR, Jobs: Android, API Development, GPS, iOS, iPhone, Mobile App Development, PHP, Web Development)