價格：免費
檔案大小：13.9 MB
版本需求：需要 iOS 12.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
- Draw great circle paths between two or several points, and evaluate instantly their lengths.
- Keep the north with a heading line which is instantly recomputed given your GPS position and track.
- Great circle paths are fast computed and defined trajectories show up intermediate waypoints at which your track changes naturally.
Make circles great again.
支援平台：iPhone, iPad