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How to Create Invoices with an App - and does this work with Accountable?

Sophia Merzbach avatar
Written by Sophia Merzbach
Updated over a week ago

In short: Yes — and Accountable is an excellent solution for it.
The app lets you create, design, and send invoices directly on your smartphone or laptop — ideal for freelancers and self-employed people who want maximum flexibility.
Here’s how you can easily create an invoice using an app.

Why a mobile invoicing app is useful

An invoicing app on your phone gives you several advantages:

  • You can create an invoice on the go as soon as the service is delivered — no need to wait until you're back at your desk.

  • Fast email delivery directly from the app saves time.

  • All data (clients, products/services, invoice numbers) is stored in the app — accurate, consistent, and always available.

  • Mobile app + cloud sync: Your invoices are also accessible on your desktop, so you can review or edit them later if needed.


How does this work with Accountable on your phone?

Here’s how the app workflow looks:

1. Download the app

Download Accountable from the App Store (iOS) or Play Store (Android). According to the provider, the app is designed so you can create invoices even while on the go.

2. Check your basic settings

Before creating your first invoice, enter your business and payment information:

  • Your address

  • IBAN/BIC

  • VAT ID or tax number (if applicable)

You’ll find these settings under “Settings” → “Personal information” in the app.

3. Create an invoice

In the app, choose “Create invoice.” Then:

  • Enter client details (name, address)

  • Add line items: service or product, quantity, and price

  • Review invoice date, service date, and invoice number

  • Select the VAT rate (if applicable)

The official guide shows these steps as well.

4. Layout & sending

  • You can add your logo or adjust the template’s colors and design.

  • When you're done, you can:

    • Save the invoice

    • Download it as a PDF

    • Send it directly by email from the app

5. Mobile use & synchronization

  • Your invoices are stored in the app and can be accessed anytime — on your phone or later in the web version.

  • You can also check whether an invoice has been paid if you connect your bank account to the app.


Key advantages of Accountable as an invoicing app

  • Unlimited invoices: According to the provider, you can create unlimited invoices in the FREE plan — including e-invoices.

  • E-invoice support: In addition to classic PDF invoices, the app supports structured formats like XRechnung and ZUGFeRD — ideal for digital workflows or when working with public-sector clients.

  • Mobile and desktop: You’re not tied to a computer — write invoices on the go and later continue working or run analyses on your desktop.


Important tips for creating invoices on mobile

  • Make sure your invoice contains all legally required information (address, tax number or VAT ID, invoice number, service date, etc.). The app helps, but always double-check.

  • When creating invoices while out and about, take a moment to review your entries — typos in client details often lead to delays or questions.

  • Use the “Send directly from the app” option when possible — it saves time. If you choose to download the PDF instead, be sure to store it safely.

  • If you connect your bank account, you can track incoming payments faster — giving you an overview even while mobile.

  • Create a template with your logo and colors — it makes your invoices look more professional and saves time on every new invoice.

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