What is Treasure Storage?
Treasure Storage is a professional mobile application for metal detectorists, archaeological prospections and find documentation. The application works 100% offline and all data is stored locally in a database on your device.
The application was developed with a strong emphasis on user privacy - no data is transmitted to servers, no analytics data is collected, and you have absolute control over your data.
Version 2.0 brings significant improvements including track recording, 4 new export formats, a built-in manual, and full multilingual support.
Offline By Design
Internet connection is not required for daily use in the field
Local Database
Data stored exclusively on your device
Open Source
Source code available on GitHub
Free Desktop version
Windows and Linux app as a companion to the mobile app
Who is the App For?
Metal Detectorists
For cataloging finds, recording GPS locations, and photo documentation of discoveries.
Archaeologists
For field prospections with GPS accuracy and exporting data to GIS software.
Outdoor Enthusiasts
For documenting interesting places, track recording, and offline maps.
Why Treasure Storage?
| Feature | Treasure Storage | Other Apps |
|---|---|---|
| 100% Offline operation | check_circle | cancel |
| GPS location recording | check_circle | cancel |
| Track Recording with GPX export | check_circle | remove |
| 7 export formats | check_circle | remove |
| Local Database | check_circle | cancel |
| Offline maps | check_circle | check_circle |
| Multilingual (CS, EN, DE, FR, PL, UK) | check_circle | remove |
| Open Source | check_circle | cancel |
| Price | Mobile: Paid Desktop: Free |
Paid / Subscription |
Privacy and Security
Full Control over Data
Your data is stored exclusively locally in the database on your device. The app does not transmit data to any servers without your knowledge. To secure your data, you can optionally use encrypted backup to your personal Google Drive.
Data Privacy
Your "hot spots" and finds stay only on your device. No data is shared with third parties or sent to servers.
No Analytics
The application does not collect any analytical data, does not use trackers, and contains no ads. Your privacy comes first.
Export & Control
You can export all your data in 7 different formats at any time. You have absolute control over your data and can move it elsewhere whenever you need to.
Open Source
Source Code on GitHub
The entire application is open source and the source code is available on GitHub. You can view the code, contribute to development, or compile the application yourself.
License
Treasure Storage is licensed under the MIT license. You can freely use, modify, and distribute the application. The source code is available to the community for inspection, auditing, and contributions.
Author
Treasure Storage is developed by Michal Miskovsky, a developer and metal detecting enthusiast. The application was born from the need to have a professional tool for documenting finds with an emphasis on privacy and offline use.
Version 2.0 represents a significant milestone with the addition of track recording and many other features requested by the community.
Technology
Flutter
Framework
Dart
Language
SQLite
Database
OpenStreetMap
Maps
Ready to start?
Download Treasure Storage and start cataloging your finds today.
download Download App