To use Billdu to its full extent, you need a subscription. You can obtain a monthly or a yearly subscription and also choose between several subscription types. Subscription plans usually differ according to the number of active clients and document types, but also on number of other listed features.

Our subscriptions are auto-renewable.

If your payment method allows it, you will be charged automatically next time. We will notified by an e-mail message if this is the case or you'll get a message from Apple or Google. The message contains information on how to cancel the subscription renewal.

You can subscribe either directly with Billdu, with Apple App Store or with Google Play Store. Please note that by subscribing with another platform as Billdu the terms and conditions of respective services apply.


  • Tap on ⚙ Settings and select Subscription

  • Look up all available subscription types by sliding horizontally

  • In the upper row, choose Annually or Monthly depending on whether you wish to buy a monthly or an annual subscription. Changing the switcher changes the subscription price. Document types (Invoice, Estimate, Quote, etc.) and available active clients are shown in the description

  • Tap on the green button with a price to buy a subscription

  • Confirm the charge for selected subscription. You have to be signed into your Apple/Google account to buy the subscription

  • You'll receive an invoice from Apple/Google


  • Click on Settings and go to Subscription

  • Click on the Buy subscription button

  • Choose a subscription type and click Order

  • Choose a period: 1 month or 12 months

  • Select a payment method

  • After a successful payment your subscription is activated and you'll receive an invoice from us 

In case of a bank transfer (only for € payments) it may take up to 7 days until the subscription is activated. You're welcome to send us a proof of payment to speed up the activation of your subscription.

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