TopoKit: Offline Field GIS

TopoKit: Offline Field GIS

All your maps. One app.

2 ratings
5 reviews
$9.99

Details

  • Released
  • Updated
  • April 15, 2026
  • July 19, 2026

Features

TopoKit: Offline Field GIS screenshot #1 for iPhone
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TopoKit: Offline Field GIS screenshot #9 for iPhone
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About

This app allows professionals to create, organize, and use detailed maps in the field. It supports various data formats and coordinate systems, enabling offline access and data synchronization across devices. Users can import, style, and export map data seamlessly.

Project organization with hierarchical layer trees
Import GeoTIFFs, GeoPDFs, GPX, KML, and more
Automatic CRS detection and on-the-fly reprojection
Offline map tile downloads
GPS track recording and measurement tools
Customizable styles and feature search
iCloud sync for cross-device access
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What's New in TopoKit

1.1

July 19, 2026

TopoKit 1.1 — the biggest update yet. DRAW AND MEASURE, TOGETHER Add Line, Add Polygon, and the new Add Circle tool show live measurements while you draw — distance, area, radius, and more, with tappable unit switching. Just measuring? Read the numbers and close the tool — nothing is saved unless you press Save. MUCH FASTER WITH BIG PROJECTS Importing large files is dramatically faster, the map stays smooth while you pan and zoom, and project files are about half their previous size — so they open quicker and sync less. BETTER IMPORTED MAPS Very large maps keep their full detail without running out of memory, misaligned georeferenced PDFs place correctly, several Canadian coordinate systems are fixed, and PDF maps redraw much faster while zooming and panning. CHOOSE HOW IMPORTED FILES LOOK New Imported Line and Imported Polygon styles in Settings let imports look the way you want — independent from your drawing styles. SMOOTHER STARTUP Your last project starts opening much faster with far less flicker in the first seconds. ALSO FIXED • "Open in TopoKit" from the Files app now imports into your project • Style editors no longer open half-empty on iPhone • Edit panels only save what you actually changed • GPS files with bad values can no longer block a project from saving

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User reviews

well done

An exceptional app. I love the overlay of geo-pdfs (or if offline) over of the online base map when in internet range. Layers are easy to control. The layer opacity slide bar is exceptional. Better than Avenza. Better than most mapping apps.

So good

Best GIS app

Best GIS app ever

A mapping app that is easy to use and combines the best parts of every other app without any subscription bs.

Perfect for hiking and mapping

If you enjoy serious hiking, backroads, forest trails, or route planning around the world this App is very helpful.

Great bang for buck

Love the support for all types of data (especially tif and gpkg). Price is hard to beat and the privacy is great!

FAQ

What is TopoKit?

TopoKit is a professional mapping application designed for users who work with maps in the field. It allows for the import, organization, styling, and use of various geospatial data formats, including GeoTIFFs and vector files.

Does TopoKit have ads?

No, TopoKit is ad-free. The app is a one-time purchase with no subscriptions or feature gating, meaning all features are available upon purchase.

What devices does TopoKit support?

TopoKit is currently supported on iPhone. Projects and data can be built on a Mac and synced via iCloud to the iPhone for field use.

How does TopoKit handle offline use?

TopoKit allows you to download map tiles from connected tile servers for offline use. You can select specific areas and zoom levels to ensure access to your maps even without cell service.

What types of data can I import into TopoKit?

You can import a wide range of data formats including GeoTIFFs, GeoPDFs, GPX, KML, KMZ, GeoJSON, and GeoPackage. It also connects to XYZ or WMS tile servers.

How often is TopoKit updated?

TopoKit was last updated on May 5, 2026, with version 1.0.2. The app is built and supported by a single developer, indicating potential for regular updates based on user feedback.

What is the price of TopoKit?

TopoKit is available for a one-time purchase of $9.99. This single purchase unlocks all features of the app without any additional subscriptions or in-app purchases.

Is TopoKit suitable for beginners?

While TopoKit is powerful enough for professional data, it is designed to be simple enough to set up a field map in minutes. Its focus is on usability for those who work with maps professionally.