Desktop billing app

Download Free Billing Software

Invoiso is free billing software for Windows, Linux, and macOS. Create GST-ready PDF invoices offline with no account, no subscription, and no cloud login.

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Invoiso
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First launch? Log in with the default credentials — username admin and password admin. You'll be prompted to set a new password on first login for your security.

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Installation Guide

Step-by-step setup instructions for each platform.

  1. 1

    Download the installer

    Download the .exe setup file from the releases section above. Look for the file named Invoiso-Setup-x.x.x.exe.

  2. 2

    Run the installer

    Double-click the downloaded .exe file. If Windows SmartScreen shows a warning, click More info → Run anyway. The app is safe — it may show this warning because it's not yet widely known.

  3. 3

    Follow the setup wizard

    Accept the license agreement, choose your install location (default is fine), and click Install. The wizard will complete in under a minute.

  4. 4

    Launch Invoiso

    Open Invoiso from the Start Menu or the desktop shortcut created by the installer.

  5. 5

    Log in for the first time

    Use the default credentials — username admin and password admin. You'll be prompted to set a new password immediately after your first login.

Invoiso stores all data locally on your PC. No internet connection or account is required after installation.
  1. 1

    Run the one-line installer (recommended)

    Open a terminal and run:

    curl -fsSL https://invoiso.co.in/install.sh | bash -s -- --deb

    The script fetches the latest release from GitHub, downloads the .deb package, and installs it automatically. Requires curl and sudo access.

  2. 2

    Or install manually

    Download invoiso_x.x.x_amd64.deb from the releases above, then run:

    sudo dpkg -i invoiso_*.deb
  3. 3

    Launch Invoiso

    Find Invoiso in your application launcher or run invoiso in the terminal.

  4. 4

    Log in for the first time

    Use username admin and password admin. You'll be asked to set a new password on your first login.

DEB packages are officially supported on Ubuntu 22.04 and Ubuntu 24.04. For other distros, use the AppImage instead.
  1. 1

    Run the one-line installer (recommended)

    Open a terminal and run:

    curl -fsSL https://invoiso.co.in/install.sh | bash -s -- --appimage

    The script downloads the AppImage, sets it as executable, and creates a desktop entry for you.

  2. 2

    Or install manually

    Download Invoiso-x.x.x-x86_64.AppImage from the releases above, then make it executable:

    chmod +x Invoiso-*.AppImage
  3. 3

    Run the AppImage

    Double-click the file in your file manager, or run it from the terminal: ./Invoiso-*.AppImage

  4. 4

    Log in for the first time

    Use username admin and password admin. You'll be asked to set a new password on your first login.

AppImage runs on any 64-bit Linux distribution without installation. No sudo access needed. Your data is stored in ~/.local/share/invoiso/.
  1. 1

    Download the macOS package

    Download the .dmg file from the releases section above. Look for the file named similar to Invoiso-x.x.x.dmg.

  2. 2

    Open the disk image

    Double-click the downloaded .dmg file, then drag Invoiso into the Applications folder if the installer window asks you to do so.

  3. 3

    Launch Invoiso

    Open Invoiso from the Applications folder or Launchpad. If macOS shows a security prompt, open System Settings → Privacy & Security and allow Invoiso to run.

  4. 4

    Log in for the first time

    Use username admin and password admin. You'll be asked to set a new password on your first login.

Invoiso stores your billing data locally on your Mac. No cloud account or internet connection is required after installation.
View all releases on GitHub