Compass Pro

Professional Compass

High-precision compass with magnetic and true north display. Real-time direction indication with calibration functionality based on Core Motion framework.

GPS Speedometer

Accurate speed measurement using Core Location. Real-time speed display with maximum and average speed statistics. Multiple units support (km/h, mph, knots).

Spirit Level

Bubble level tool based on accelerometer data. Roll and pitch angle display with zero calibration and horizontal status indication.

Multi-language Support

Supports 13 languages including English, Chinese (Simplified & Traditional), Japanese, German, French, Korean, Spanish, Portuguese, Italian, Arabic, Hindi, and Russian.

Premium Features

In-app purchase system with lifetime version and subscription options. Ad-free experience for Pro users with purchase restoration functionality.

Native iOS Design

Built with SwiftUI and Combine for smooth performance. Requires iOS 14.0+ with modern interface design and intuitive user experience.

System Requirements

• iOS 14.0 or later
• iPhone, iPad, and iPod touch
• Location Services required for GPS features
• Motion sensors for compass and level

Core Technologies

• Swift 5.0+ programming language
• SwiftUI + Combine frameworks
• Core Motion for sensor data
• Core Location for GPS functionality
• StoreKit 2 for in-app purchases