MAPinr - KML/KMZ/OFFLINE

Your GPS Doesn't Work There. MAPinr Does.

Forget buffering maps and dead zones. MAPinr transforms your Android device into a fully autonomous offline navigation engine, purpose-built for professional fieldwork, backcountry exploration, and aviation-grade flight planning. This isn't a watered-down consumer map app—it is a precision tool designed to handle KML and KMZ files natively, render complex vector data without a data signal, and keep you oriented when the grid goes dark.

Core Functionality & Offline Workflow

MAPinr is engineered around a single, uncompromising principle: total independence from cellular or Wi-Fi networks. The app provides a complete, self-contained mapping environment that loads and displays your own custom geographic data with zero latency.

• Native KML/KMZ Import & Rendering
  Drag and drop your existing placemarks, polygons, paths, and overlays directly into the app. MAPinr parses complex XML structures and renders them instantly on a high-contrast, daylight-readable map canvas. Supports nested folders, custom icons, and full attribute data preservation.

• True Offline Basemap Engine
  Pre-cache high-resolution satellite, topographic, and street-level tiles directly onto your device's internal storage or SD card. Choose your coverage area with precision rectangle or polygon selection. All map data is stored locally and remains fully interactive without any network connection.

• Real-Time GPS Tracking & Breadcrumb Trail
  Leverages your device's native GPS chipset to provide sub-meter positioning accuracy. Continuously records your path as a breadcrumb trail, even when the app is running in the background. Export your completed track as a GPX or KML file for later analysis.

• Advanced Waypoint & Route Management
  Create, edit, and delete waypoints with custom names, descriptions, and color-coded markers. Build multi-segment routes using drag-and-drop interface. Calculate bearing, distance, and estimated time of arrival between any two points on the map.

• Coordinate System & Grid Overlays
  Switch between WGS84, UTM, MGRS, and dozens of local grid systems on the fly. Display grid lines, lat/lon coordinates, and elevation contours directly on the map canvas. Perfect for survey-grade field work and military-style navigation.

• Point-to-Point Navigation Compass
  A dedicated heads-up compass mode overlays bearing and distance to your selected waypoint. Visual and haptic feedback guides you toward your target, even when the map is not displayed. Works entirely offline.

• Flight Planning Mode (KML/KMZ for Aviation)
  Import flight plan files in KML format and view them overlaid on aviation-specific basemaps. Display airspace boundaries, navaids, and terrain elevation. Calculate true track, magnetic variation, and fuel burn estimates for pre-flight planning.

Key Advantages Over Generic Map Apps

• Zero Data Dependency: No ads, no tracking, no background data usage. Once the basemap tiles are cached, the app requires zero network connectivity to function.
• Professional File Format Support: Unlike consumer apps that strip KML attributes, MAPinr preserves all custom data fields, including timestamps, altitude, and extended metadata.
• Battery-Optimized GPS Engine: Intelligent polling intervals reduce battery drain by up to 40% compared to continuous high-accuracy GPS modes, allowing for full-day field sessions.
• Customizable UI for Field Work: Adjustable font sizes, high-contrast color themes, and one-handed operation mode make it usable with gloves or in direct sunlight.
• No Account Required: Download, install, import your files, and go. No registration, no login, no data collection.

Key Features at a Glance

• Import KML/KMZ without conversion
• Cache satellite & topo maps offline
• Real-time GPS with breadcrumb trail
• Coordinate grids: UTM, MGRS, lat/lon
• Compass mode with bearing & distance
• Flight plan overlay for aviation

Download MAPinr now and take your navigation completely off the grid.

Heads up: you'll need Wi-Fi to cache your initial basemap tiles. The free version supports a limited number of cached tiles and waypoints; the full offline suite requires a one-time in-app purchase. All GPS and map rendering features work without a SIM card or data plan.