Show HN: A GPS alternative to iBeacon – PinTip

Why not right? GPS technology will improve to within 3 feet by 2016--and why maintain the hardware when GPS is almost ubiquitous? PinTip is currently in Beta release for Android on GooglePlay and we'd like your feedback. To test, join our GooglePlus community here, https://plus.google.com/communities/115586755732147952883.