
Coordinate Mapper
Coordinate Converter Plus
ConvertGeoData
Coordinate Master
GPS Coordinates
Table & Map
Convert between 9 coordinate formats — from DD and UTM to MGRS, SWEREF99, RT90, and VOR navigation.

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| Website | coordtool.se | opalstack.com |
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| Company | Startup from Sweden · 1 - 9 employees · 2025 | — |
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In their own words, as submitted to SaaSHub.


CoordTool is an iOS coordinate conversion app that lets you convert between multiple coordinate formats including DD, DMS, UTM, MGRS, Plus Codes, SWEREF99, RT90, and VOR navigation. It’s designed as a practical mapping tool for accurate coordinate input, conversion, and verification using GPS or...
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As answered by people managing CoordTool and Opalstack.
CoordTool's answer
CoordTool supports a wide range of coordinate systems in a single, focused iOS app — including DD, DMS, UTM, MGRS, Plus Codes, SWEREF99, RT90, and VOR-based navigation. It combines precise conversions with GPS input and map-based selection for practical field use.
CoordTool's answer
Many coordinate converters are limited to a few formats or require multiple tools. CoordTool brings advanced coordinate systems and aviation-style navigation references into one simple and reliable mobile app, without unnecessary features or complexity.
CoordTool's answer
CoordTool's answer
Professionals, technicians, and enthusiasts who work with geographic coordinates — such as surveyors, GIS users, pilots, emergency services, and outdoor professionals — and need accurate coordinate conversion on iPhone.
CoordTool's answer
CoordTool was created to provide a compact and dependable coordinate conversion tool for situations where accuracy matters. The goal was to support multiple coordinate systems and workflows in a single app that works reliably in the field.
CoordTool's answer
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