Bad Elf Flex

This is the free companion utility app for the Bad Elf Flex, a flexible, intuitive, and affordable survey-grade GNSS receiver.

Designed for GIS and survey professionals, the Bad Elf Flex connects to your phone or tablet via Bluetooth and provides high-accuracy location data to ANY and ALL field data collection apps in your workflow.

This app allows you to view the health of the Flex hardware, change settings, and perform firmware updates. The app also supports purchasing and loading Flex Tokens into the hardware for standalone use of higher-accuracy features and correction sources. Several correction sources are supported including SBAS, RTK via NTRIP, and L-band.

Visit to learn more about the Bad Elf Flex and our other GNSS receivers.


* This app requires a Bad Elf Flex to operate.

* This app does not support our mapping-grade receivers: Bad Elf GPS Pro, GPS Pro+, Surveyor, and GPS for Lightning dongle.

* Continued use of the GPS running in the background can dramatically decrease battery life.
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What's New

* Added single button access to the nationwide Point One Navigation RTK corrections service. Start your free 2-week trial today!
* In-app and background app notifications re: RTK and Bluetooth connectivity.
* Numerous bug fixes.

NOTE: This app requires your Flex to be running firmware version 1.0.21 or newer, available here: .
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Additional Information

March 30, 2021
Current Version
Requires Android
5.0 and up
Content Rating
Offered By
Bad Elf, LLC
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