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

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | coordtool.se | diffyn.com |
| Pricing | ||
| Platforms | ||
| Company | Startup from Sweden · 1 - 9 employees · 2025 | — |
| Listed in |
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...
No description of Diffyn yet.
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No CoordTool videos yet. You could help us improve this page by suggesting one.
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CoordTool and Diffyn.
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.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
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.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
CoordTool's answer
Diffyn's answer:
React, Next.js, POSTGRESQL
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.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
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.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
CoordTool's answer
Share your experience with using CoordTool and Diffyn. For example, how are they different and which one is better?
When comparing CoordTool and Diffyn, you can also consider the following products.

Convert coordinates instantly between latitude/longitude, UTM, MGRS and UK grid references. Paste any format, map it, and export as CSV, DXF or KML.
Compare Coordinate Mapper to CoordTool or Diffyn:

Coordinate Converter Plus app provides features through which users can convert coordinates into longitude, latitude, degrees, decimal minutes, minute seconds, UTM, and various other formats.
Compare Coordinate Converter Plus to CoordTool or Diffyn:
Convert geospatial data between GeoJSON, Shapefile, KML, GeoPackage, GPX, CSV, GeoTIFF and more. Free online converter with CRS reprojection.
Compare ConvertGeoData to CoordTool or Diffyn:

GPS Coordinates is an app by Financept that comes up with features to help you in getting the GPS coordinates of your current location.
Compare GPS Coordinates to CoordTool or Diffyn:

Coordinate Master app allows users to convert given coordinates into a variety of different formats such as the world’s coordinate system, geoid system, and geocentric system, etc.
Compare Coordinate Master to CoordTool or Diffyn:

Visualize your location data in an interactive map. Upload an excel or csv file with addresses or latitudes and longitudes to get started.
Compare Table & Map to CoordTool or Diffyn: