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invoice, quote, delivery note

Invoice in 10 seconds — bundle quotes and delivery notes into invoices!
New in version 1.9.1
1.9.1 — Fix for a bug that could hide documents.

v1.9
- Factur-X/ZUGFeRD and CII XML export (electronic invoicing)
- Customisable fonts for your documents
- Tag delivery notes and quotes with a status
- Lock invoices
- New fields: bank details (IBAN/BIC), payment methods, payment terms, VAT exemption mention
- Multi-business: dedicated menu, per-company numbering
- Database restore button
Invoice in 10 seconds and convert your quotes and delivery notes into invoices!

▸ Quote, DN → Invoice
Turn quotes or delivery notes into an invoice, or create an invoice directly. No re-typing.

▸ Pro invoices, electronic format
Create professional invoices. Export as PDF, Factur-X or CII-XML: the standard formats for electronic invoicing. Import into your registered platform or accounting software.

▸ Advanced management
See overdue invoices at a glance and send reminders in one tap.
Tag your invoices, add a "Paid" stamp. Generate credit notes and corrective invoices.

▸ Fits your trade
Prices excl. or incl. tax, your choice — automatic calculation. Any unit
(kg, hour, piece, bunch...). Multiple prices per product depending on the
customer. Multi-business support. Custom VAT rates.

▸ Personalisation
Add your logo, write your descriptions, payment methods, terms of sale, footer or references.
Change the font of your documents to match your style.

▸ Sharing
Send by email, SMS, instant messaging, QuickShare... or print!

▸ No bloat
Turn features on or off to fit your needs and keep the app lean and effective.

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✨ FREE
Unlimited invoices, delivery notes, credit notes, clients and products.
5 quotes. Multi-business.

🌟 PREMIUM
Unlimited quotes. Factur-X and CII export.

━━━━━━━━━━━━━━━━━━

Designed for producers, self-employed workers, artisans, freelancers, and any small business.

🦇 Free and open-source software. Your data stays on your device.
Zero ads • Zero trackers • No sharing with third parties

An account is only required for the premium subscription.

A question, an idea, a need? There's always support — contact Aude at contact@the-gate.fr
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.9.1 (63) suggested Added on Sep 12, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • com.a4a.g8invoicing.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 13 MiB PGP Signature | Build Log

  • Version 1.8.2 (60) - Added on Aug 27, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • com.a4a.g8invoicing.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 9 MiB PGP Signature | Build Log

    • New in version 1.8.1
    v1.8.1

    - Withholding tax (IRPF, Ritenuta, ISR/IVA...) for issuers in Spain, Portugal, Italy, Japan, Chile, Peru, Mexico, Brazil, Colombia
    - Withholding line added automatically on invoices and credit notes, editable + hideable per invoice
  • Version 1.8.1 (59) - Added on Aug 23, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • com.a4a.g8invoicing.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 9 MiB PGP Signature | Build Log

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