Measure sea current speed and direction using your iPhone's GPS. Ideal for sailors, coaches, and race teams to map readings, review history, and share data for tactical advantage. Works offline.






10+ similar apps compared and reviewed
Looking for something like The R.O.C.? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.











Measure sea current speed and direction using your iPhone's GPS. Ideal for sailors, coaches, and race teams to map readings, review history, and share data for tactical advantage. Works offline.





This app serves as a digital companion for a major international youth sailing regatta. It provides information for young sailors aged 8-18 participating in this prestigious event, which attracts competitors globally.