---
title: "GTK-Field - Reviews, Revenue and Downloads in Ukraine | Apple App Store"
description: "GTK-Field is a field logging app for geotechnical site investigation. It works alongside you on site: record, describe, photograph, and produce a finished report on the same device.  MODULES  Trial pi"
---

# GTK-Field — Ukraine
> Geotechnische Feldversuche

![GTK-Field App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/ea/fd/d7/eafdd764-52af-36ef-2f91-a0e763fd79ec/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Matthias Kroell](https://apptail.io/developer/matthias-kroell-AqrYUb) (Germany)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.geotechnik-kroell.gtkfield
**Store:** Apple App Store
**Country:** Ukraine
**Version:** 1.8.4 (released 2026-09-20)
**Original Release:** 2026-03-27
**Languages:** German

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ua/app/app/id6760727960)
**AppTail Page:** [https://apptail.io/app/gtk-field-MApz/ukraine](https://apptail.io/app/gtk-field-MApz/ukraine)

## GTK-Field Description
GTK-Field is a field logging app for geotechnical site investigation. It
works alongside you on site: record, describe, photograph, and produce a
finished report on the same device.

MODULES

Trial pit with layer log and profile column
Core drilling
Dynamic probing
Infiltration test
Sieve analysis with grading curve
Sampling with lab tracking
Site walkover
General survey

TO STANDARD

Soil description and symbols to EN ISO 14688-1/2, presentation to
DIN 4023. Probing to EN ISO 22476-2, sampling to EN ISO 22475-1,
infiltration to OENORM B 4422-2. The standards profile can be switched
between Austria and Germany for each project.

IN THE FIELD

The app works entirely offline. All data stays on the device.
Coordinates and elevation come from GPS or are entered by hand, photos
belong to the exploration point. Reports are generated as PDF and can be
viewed and shared directly on the device.

ORDER

Exploration points and samples receive sequential identifiers, and
sample numbers are unique within a project. A sample register lists
every sample of a project, with or without lab results. A combined
export summarises the whole project.

FREE

GTK-Field is completely free. No subscription, no unlocking, no ads. On
Android there is a voluntary way to support development that unlocks
nothing.

NOTE

GTK-Field is developed privately and is not a service of a chartered
engineering practice. Calculated and estimated values must be checked by
the user; professional responsibility for logging and interpretation
remains with the user.

## GTK-Field Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e0/43/73/e0437327-d365-54fd-78ed-bc02d7a09ac1/ios_1320x2868_08.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/37/3b/e4/373be468-43c8-b37e-dd96-207c35e07103/ios_1320x2868_07.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/70/05/55/700555fd-6ecf-4969-2913-142793fb598d/ios_1320x2868_01.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/08/9b/d4/089bd479-820c-08bb-79ed-efed647e08e5/ios_1320x2868_03.png/1320x2868.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e8/b8/f6/e8b8f609-5d4c-47cd-e854-bc330940ddb7/ios_1320x2868_06.png/1320x2868.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/36/ef/4a/36ef4a1c-0c27-11d9-0adf-815752c3d073/ios_1320x2868_02.png/1320x2868.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ef/26/95/ef26958e-9158-8817-51f5-6fff18a53a43/ios_1320x2868_04.png/1320x2868.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8f/6d/a0/8f6da0eb-d8d7-32c8-a376-0a95010b4b9b/ios_1320x2868_05.png/1320x2868.png)







## GTK-Field Available In
- [Germany](https://apptail.io/app/gtk-field-MApz/germany)
- [Ukraine](https://apptail.io/app/gtk-field-MApz/ukraine)

---

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