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ID: com.topodroid.DistoX

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The description of TopoDroid

TopoDroid - Cave surveying on Android

For the latest apks go to speleoapps.

TopoDroid helps you to take survey data and accurate sketches while you are in the cave, so that you can detect errors in the data while you are still on the spot and correct them. TopoDroid has many functions to help you get the most out of a surveying trip. In this way, by the time you finish it, a working map is almost ready.

TopoDroid is designed to work *ONLY* with the DistoX, SAP5 and BRIC4. The survey data can be also entered by hand. TopoDroid has DistoX calibration functions, as well as other advanced DistoX functions.
The DistoX is not a Leica product, and TopoDroid does not work with any Leica Disto.

TopoDroid handles one survey session at a time. It is not a cave survey project manager. For that purpose there are many good PC programs, and TopoDroid exports survey data in several cave program formats (among them: therion, compass, visualtopo, walls, survex), as well as dxf, csv, kml, trackfile, shapefile. Sketches can be exported as therion, csurvey, dxf, svg, shapefile, and png image.

Full list of features, user manual, and docs on

This app is open-source, free and ad-free. It has no warranty. By using it you agree that the author is not responsible for any loss of data you might incur, or damage whatsoever, including damages to DistoX devices.

- TopoDroid requires the following permissions: WRITE_EXTERNAL_STORAGE, BLUETOOTH, BLUETOOTH_ADMIN
- Certain functions depend on these permissions:
CAMERA (photos at stations and legs), RECORD_AUDIO (audio recording station comments), ACCESS_FINE_LOCATION (entrances geolocation).
- INTERNET permission is necessary only if you plan to install translations of the user manual.

Before complaining for a crash, switch to English.
Other languages may cause crashes due to missing translations.

TopoDroid has an open-beta program: opt-in link on the website.
A few apks of old versions are available on the website.

M. Guerrero (spanish), D. Ros (french), A. Kozhenkov (russian), V. Georgiev (bulgarian), M. Keller (german), F. Toso (italian), H.-J. Luo (chinese), P. Suru (hungarian), R. Severo (potuguese), M. Jurecka (slovak), K. Borgiel (polish), A. Pologea (romanian)
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TopoDroid 5.1.40 APK for Android 4.3+

Version 5.1.40 for Android 4.3+
Update on 2021-12-17
Installs 100.000++
File size 4.308.643 bytes
Permissions view permissions
What's new DXF export with colors (thanks to B. Holl).
Generic "options" directive for point symbols.
Apk for Android-11 and later elsewhere (thanks to Google)

Versions history:

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