TransektCount
A butterfly monitoring app for transect counters.
- Developer
- Wilhelm Stein
- License
- Apache-2.0
- Package
com.wmstein.transektcount- Category
- Science & Education
- Latest version
- 5.1.6 · Aug 31, 2026
- Minimum Android
- Android 11
Screenshots
Description
TransectCount supports the species-specific counting of butterflies per transect section according to the European Butterfly Monitoring Scheme method. It is meant for transect counters to ease registering butterflies and day-flying moth during transect surveys.
New in Version 5.1.6:
• Code improvements
• GPX file import recognizes also files having 1 track with n track segments instead of having n tracks
• Entering species notes proposed with predefined wordings like "Photo", "Flyby", "New species", …
• Cloud %-values rounded to multiples of 10
• More restrictive plausi for input of metadata numbers
• Name composition for exported files changed
• "Help" text updated
• Docs updated
• Bugfix for importing a species list
Features:
• Data collection is based on a transect inspection.
• Databases refer to a transect and can be individually created and customised within the app with regard to metadata, transect sections and expected species.
• The app contains an internal list with many European species and has a prepared database for a transect section with the most common species to be expected in Germany as a starting point for direct use.
• Export of the current species list for later re-import by TransektCount or import by the complementary app TourCount.
• Separate counters for internal/external counting areas and separately for ♂-♀-indeterminate, ♂, ♀, pupa, caterpillar or egg.
• Results page with prepared presentation for transfer to the input mask of Butterfly Monitoring Germany (web.app.ufz.de/tagfalter-monitoring/).
• The results can be exported in formatted XLSX or CSV format, as well as in an SQLite database file (e.g. to transfer them to a PC, for easier reading in a spreadsheet program, or for further processing).
• The help contains detailed user instructions.
• TransektCount supports counting in German, English, French, Italian and Spanish language and provides locale species names in these languages.
Functions:
• Duplicate and delete transect sections.
• Editing the transect section lists (adding and deleting species and editing terms).
• Editor for metadata in preparation for an inspection.
• Counter page per section with scroll-down list for species selection.
• Species editor for annotation and bulk counter entries.
• Optionally, GPS support for an info to change the current section.
• The results page shows metadata, notes, totals and counting results per species and transect section.
Prerequisites:
The app requires permits for
• storage access for importing and exporting counting data, results, species lists or track data,
• preventing the sleep mode und
• (optionally) the GPS controlled signaling of the current transect section.
The device screen should have a minimum resolution of 1024 x 1920 pixels.
The app can be used with Android version 11 or newer.
Documentation is provided under:
https://github.com/wistein/TransektCount/tree/master/docs.
TransektCount is one of two apps for monitoring European butterflies.
The second app, TourCount, supports the species-specific and individually GPS-localised counting of butterflies on any walk in nature.
Both apps use the coding scheme of Karsholt/Razowski for European butterflies and thus contain only European butterfly pictures.
New in Version 5.1.6:
• Code improvements
• GPX file import recognizes also files having 1 track with n track segments instead of having n tracks
• Entering species notes proposed with predefined wordings like "Photo", "Flyby", "New species", …
• Cloud %-values rounded to multiples of 10
• More restrictive plausi for input of metadata numbers
• Name composition for exported files changed
• "Help" text updated
• Docs updated
• Bugfix for importing a species list
Features:
• Data collection is based on a transect inspection.
• Databases refer to a transect and can be individually created and customised within the app with regard to metadata, transect sections and expected species.
• The app contains an internal list with many European species and has a prepared database for a transect section with the most common species to be expected in Germany as a starting point for direct use.
• Export of the current species list for later re-import by TransektCount or import by the complementary app TourCount.
• Separate counters for internal/external counting areas and separately for ♂-♀-indeterminate, ♂, ♀, pupa, caterpillar or egg.
• Results page with prepared presentation for transfer to the input mask of Butterfly Monitoring Germany (web.app.ufz.de/tagfalter-monitoring/).
• The results can be exported in formatted XLSX or CSV format, as well as in an SQLite database file (e.g. to transfer them to a PC, for easier reading in a spreadsheet program, or for further processing).
• The help contains detailed user instructions.
• TransektCount supports counting in German, English, French, Italian and Spanish language and provides locale species names in these languages.
Functions:
• Duplicate and delete transect sections.
• Editing the transect section lists (adding and deleting species and editing terms).
• Editor for metadata in preparation for an inspection.
• Counter page per section with scroll-down list for species selection.
• Species editor for annotation and bulk counter entries.
• Optionally, GPS support for an info to change the current section.
• The results page shows metadata, notes, totals and counting results per species and transect section.
Prerequisites:
The app requires permits for
• storage access for importing and exporting counting data, results, species lists or track data,
• preventing the sleep mode und
• (optionally) the GPS controlled signaling of the current transect section.
The device screen should have a minimum resolution of 1024 x 1920 pixels.
The app can be used with Android version 11 or newer.
Documentation is provided under:
https://github.com/wistein/TransektCount/tree/master/docs.
TransektCount is one of two apps for monitoring European butterflies.
The second app, TourCount, supports the species-specific and individually GPS-localised counting of butterflies on any walk in nature.
Both apps use the coding scheme of Karsholt/Razowski for European butterflies and thus contain only European butterfly pictures.
All versions
| Version | Released | Minimum Android | Size |
|---|---|---|---|
| 5.1.6 | Aug 31, 2026 | Android 11 | 27.1 MB |
| 5.1.5 | Jul 31, 2026 | Android 11 | 27.1 MB |
| 5.1.4 | Jul 19, 2026 | Android 11 | 27.1 MB |
| 5.1.3 | Jun 30, 2026 | Android 11 | 27 MB |
| 5.1.2 | Jun 25, 2026 | Android 11 | 27 MB |
| 5.1.1 | Jun 2, 2026 | Android 11 | 27 MB |
| 5.1.0 | May 27, 2026 | Android 11 | 26.9 MB |
| 5.0.9 | May 27, 2026 | Android 11 | 26.9 MB |
| 5.0.8 | May 2, 2026 | Android 7.1 | 26 MB |
| 5.0.7 | Apr 14, 2026 | Android 7.1 | 26 MB |
| 5.0.6 | Apr 9, 2026 | Android 7.1 | 26 MB |
| 5.0.5 | Apr 2, 2026 | Android 7.1 | 26 MB |
| 5.0.4 | Feb 23, 2026 | Android 7.1 | 25.7 MB |
| 5.0.3 | Feb 22, 2026 | Android 7.1 | 25.7 MB |
| 5.0.2 | Feb 1, 2026 | Android 7.1 | 25.5 MB |
| 5.0.1 | Jan 16, 2026 | Android 7.1 | 25.5 MB |
| 5.0.0 | Jan 5, 2026 | Android 7.1 | 25.5 MB |
| 4.2.8 | Aug 13, 2025 | Android 7.1 | 25.5 MB |
| 4.2.7 | Jul 24, 2025 | Android 7.1 | 25.5 MB |
| 4.2.6 | Jul 11, 2025 | Android 7.1 | 25 MB |
| 4.2.5 | May 21, 2025 | Android 7.1 | 25 MB |
| 4.2.4 | Apr 22, 2025 | Android 7.1 | 25 MB |
| 4.2.3 | Mar 28, 2025 | Android 7.1 | 25 MB |
| 4.2.2 | Mar 23, 2025 | Android 7.1 | 25 MB |
| 4.2.1 | Feb 26, 2025 | Android 7.1 | 24.6 MB |
| 4.2.0 | Dec 21, 2024 | Android 7.1 | 24.6 MB |
| 4.1.0 | Aug 31, 2024 | Android 7.1 | 24.7 MB |
| 4.0.3 | Mar 28, 2024 | Android 7.1 | 18.7 MB |
| 4.0.2 | Mar 5, 2024 | Android 7.1 | 18.7 MB |
| 4.0.1 | Dec 20, 2023 | Android 7.1 | 18.6 MB |
| 3.4.2 | Aug 1, 2023 | Android 7.1 | 18.3 MB |
| 3.4.0 | Jul 9, 2023 | Android 7.1 | 18 MB |
| 3.3.8 | Jun 25, 2023 | Android 7.1 | 18.8 MB |
| 3.3.6 | Apr 6, 2023 | Android 4.4 | 18.7 MB |
| 3.3.5 | Oct 23, 2022 | Android 4.4 | 18.4 MB |
| 3.3.3 | Jul 24, 2022 | Android 4.4 | 18.4 MB |
| 3.3.1 | May 25, 2022 | Android 4.4 | 18.2 MB |
| 3.3.0 | Apr 20, 2022 | Android 4.4 | 17.7 MB |
| 3.2.8 | Sep 1, 2021 | Android 4.4 | 16 MB |
| 3.2.7 | Jul 20, 2021 | Android 4.4 | 15.6 MB |
| 3.2.6 | Oct 20, 2020 | Android 4.4 | 15.3 MB |
| 3.2.5 | Sep 13, 2020 | Android 4.4 | 15.4 MB |
| 3.2.4 | May 9, 2020 | Android 4.4 | 15.3 MB |
| 3.2.3 | Apr 29, 2020 | Android 4.4 | 15.1 MB |
| 3.2.2 | Apr 23, 2020 | Android 4.4 | 14.8 MB |
| 3.2.1 | Apr 21, 2020 | Android 4.4 | 14.7 MB |
| 3.1.6 | Mar 5, 2020 | Android 4.4 | 14.3 MB |
| 3.1.5 | Dec 20, 2019 | Android 4.4 | 15.1 MB |
| 3.1.2 | Jun 16, 2019 | Android 4.4 | 14.8 MB |
| 3.1.1 | Apr 23, 2019 | Android 4.4 | 14.8 MB |
| 3.1.0 | Apr 20, 2019 | Android 4.4 | 14.8 MB |
| 3.0.7 | Mar 31, 2019 | Android 4.4 | 14 MB |
| 3.0.6 | Dec 18, 2018 | Android 4.2 | 12.6 MB |
| 3.0.4 | Aug 9, 2018 | Android 4.2 | 12.7 MB |
| 3.0.3 | May 6, 2018 | Android 4.2 | 12.7 MB |
| 3.0.2 | Apr 8, 2018 | Android 4.2 | 12.6 MB |
| 3.0.1 | Apr 3, 2018 | Android 4.2 | 12.6 MB |
| 2.1.6 | Mar 23, 2018 | Android 4.2 | 12.7 MB |
| 2.1.5 | Mar 23, 2018 | Android 4.2 | 12.7 MB |
| 2.1.4 | Mar 23, 2018 | Android 4.2 | 12.7 MB |
| 2.1.0 | Oct 3, 2017 | Android 4.2 | 12.7 MB |
| 2.0.5 | Sep 11, 2017 | Android 4.2 | 12.5 MB |
| 2.0.4 | Sep 2, 2017 | Android 4.2 | 12.5 MB |
| 2.0.2 | Jul 18, 2017 | Android 4.2 | 11.8 MB |
| 2.0.1 | May 29, 2017 | Android 4.2 | 11.8 MB |
| 2.0.0 | Jan 10, 2017 | Android 4.2 | 11.1 MB |
| 1.3.9 | Dec 5, 2016 | Android 4.2 | 10.8 MB |
| 1.3.8 | Nov 14, 2016 | Android 4.2 | 2.1 MB |
| 1.3.4 | Oct 4, 2016 | Android 4.2 | 2.1 MB |
| 1.3.1 | Aug 4, 2016 | Android 4.2 | 2.2 MB |
How to install an older version of an Android app · How to install an APK file on Android
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