Professional-grade, new generation GPS system that works in both Stand-Alone Mode and Network Mode.
[Trusted name in smartphone GPS app since 2009. For both iPhone and iPad. Subscription is required for app use.]

1) Stand-Alone Mode (smartphone only)
In this mode, GPS-Trk works as traditional professional-grade GPS app.
• Full functionalities packed into clean easy-to-use UI.
• Reliability (several days of continuous measurement).
• Scalability (very long track like around the earth).
• Store all past tracks of several years on smartphone. Effectively, you never have to delete tracks to save space.
• Minimal usage of battery, network data and disk storage.
• Track with photos.
• Import / export track file in KML, KMZ, eKML, eKMZ, GPX format (with photo for KMZ, eKMZ) via email attachment, Dropbox.
• Apple Maps, Google Maps, OpenStreetMap (Offline map for OpenStreetMap)
• Track measurement works even without network (Cellphone, Wi-Fi).
• Track measurement by time or by distance.
• Track animation.
• Single app supports both iPhone and iPad. (screen optimized differently.)



2) Network Mode (smartphone + GPS-Trk Net)
The easiest way to share your GPS track path (with photos) with friends in real-time!
[Check it out at https://gpstrk.hc-eng.com]
During adventures (climbing, biking, airplane, ship) or business (fleet management), your friends, support team can watch your movement.
The user records track (movement, photos) with GPS-Trk app on smartphone. The other persons can watch the track moves remotely in real-time with any web browser (smartphones, PCs).

Free - create public tracks. (for Hobby. Show it to the world!)
Subscription - create shared or private tracks. (for Business)

You carry smartphone and friends watch your movement with Web browsers.
or
You put smartphone on target (scientific research, car, kid, pet etc.) and you monitor its movement with Web browsers.

[Continued use of GPS running in the background can dramatically decrease battery life.

Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase.

Terms and Conditions: https://hc-eng.com/terms-and-conditions/
Privacy Policy: https://hc-eng.com/privacy-policy
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