SAN FRANCISCO--(BUSINESS WIRE)--For anyone looking to meet up with others in their area for sports and fitness activities, Jaha, a new iOS app that launched today, is the easiest way to bring people together. Jaha is a location-based app that helps find others in the users’ neighborhood to exercise, play a sport or work-out, together. With Jaha, it is easy to find a running/hiking partner, a tennis game, a fourth player for golf, a pick-up basketball/soccer/volleyball game, a yoga/Pilates partn