Invoicing Software Billomat

We have been using Billomat for 5 years now and were previously using the old shopify app (now deprecated) to connect to Billomat. This new app is far superior and improved in many ways. The best feature imo is to be able to precisely define at what stage (ie order created/fulfilled/payed) invoices are created and sent to the customer.
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We use Billomat because it allows us to customise invoice design and email notification design, thus helping us to keep our customer facing consistent.
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We recommend this app.
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Here are some ideas on how to further improve the app:
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Fix:
- the app adds labels with the invoice number to orders. If the order already has labels, those labels are overwritten instead of the new Billomat label being added to the current set of labels.
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Enhancement:
- add support to import shipping address in addition to billing address
- add support to display payment status and method on invoices (paid with Visa ***1234)
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Feature Request:
- custom mapping of shopify metafields (ie customer / orders) to Billomat "Benutzerdefinierte Attribute"

Ich nutze Billomat schon seit längerem und bin sehr zufrieden damit.
Würde es jederzeit weiterempfehlen.