價格：免費
檔案大小：1.9 MB
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Propel is a minimalist vehicle companion that helps you track:
- Speed in kilometres, miles or knots
- Elevation in meters or feet
- Direction (north, south, etc)
- Time in 12 or 24 hour format
Propel is designed to be simple and easy to read, hands-free, while operating any vehicle.
Portrait and landscape modes are supported.
支援平台：iPhone