Download Calc PL

Road calculations on your computer, tablet and phone. Calc PL works offline on Windows and Android, with a Polish interface and Polish WR-D guidance.

Windows 1.0.0

Windows 10/11 · Microsoft Edge or Google Chrome · no account

Download Windows installer Portable Windows app

Installation steps

Download and run the installer.
Read the responsibility and privacy information.
Choose a folder and complete installation.
Open the application, acknowledge the information and name your project.
Export existing projects to JSON before updating.

20.10.2026 · APK · 50.4 MiB

Android 1.0

Android 8.0 or later · phones and tablets · up-to-date Android System WebView / Chrome

Download for Android · APK ↓

APK for direct installation; Google Play is not required. Calculations and documentation work offline. Print / PDF uses the Android system service.

Install the APK

Download the APK to your phone or tablet.
Open the downloaded file. If Android asks, allow the browser or Files app you used to install apps from this source.
Choose Install, open Calc PL and read the responsibility and privacy information.
To update an earlier version, install without uninstalling the app. Export a JSON backup before updating.

APK checksum · SHA-256

Documentation

User manual PDF

PL · PDF

User manual PDF

File verification

SHA-256

Full application documents (Polish)

Projects are stored locally. The application has no accounts, telemetry or automatic project uploads. Website links open external pages with separate privacy policies.

Projects across devices

Choose Save project, transfer the JSON file to your other device and select Open. Working data stays local; the exported JSON is your backup.