Geopurl: Offline Map Lab

A native GeoPackage and MBTiles field workbench for inspecting layers, tile pyramids, attributes, bounds, coordinate metadata, and offline map-package health.

Geopurl: Offline Map Lab is a focused, fully on-device app. A native GeoPackage and MBTiles field workbench for inspecting layers, tile pyramids, attributes, bounds, coordinate metadata, and offline map-package health.

KEY FEATURES

• Open GeoPackage and MBTiles containers from Files
• Inventory vector, raster, tile, and attribute tables
• Inspect zoom coverage, bounds, CRS, and row counts
• Preview bundled offline vector and raster layers
• Export a package-health report without uploading data
• Complete bundled sample and local comparison workflow
• Local PDF report and Apple system share export
• Original offline technical reference library

ONE-TIME AND PRIVATE

• One paid download; no subscription or in-app purchase
• No account, advertising, analytics, tracking, or developer-operated backend
• Core features and bundled content work offline
• Work remains on device unless you deliberately share or export it through an Apple system interface

Inspection and field-review aid only. Confirm survey control, CRS transformations, topology, and authoritative source data in approved GIS software.