This one displays tracks really quickly, you can delete added map sources, and many other improvements. If you are interested when we plan to replace the main version of Gaia GPS, you can get a sense of what we feel like we have to do from the Trello board: https://trello.com/b/NID7hmGi/android
All of us at Trailbehind now use the new version instead of the old, but we don't quite have the feature parity we want to replace yet.