E-Invoice Solutions
Simple. Efficient. Intuitive.
Introduction of E-Invoicing in Europe
The EU is rolingout a mandatory switch away from paper invoices to eInvoices, these last years. eInvoices will be mandatory for companies handling public contracts and B2B transactions. This means that companies must adapt their processes to meet new digital standards to comply with legal requirements. Our solutions support you in mastering this transition effortlessly and professionally.
Electronic invoices (e-invoices) are digital documents that replace traditional paper invoices. This enables automatic processing and reduces the risk of errors and fraud. The invoice information is stored in a digital format, which is created as an XML file or as an attachment to a PDF document.
Our E-Invoice Solutions
eInvoice Viewer for macOS – View, print, and compare e-invoices, an intuitive app to integrate into your workflow. (iOS app coming soon)
eInvoice Archiver – Store e-invoices in an audit-proof manner (in development)
eInvoice Converter – Create invoices as usual and convert them into e-invoices (in development)
eInvoice Complete Solution – digital invoice management (in planning)
Our Solutions for Apple Users: Simple, Efficient, and Intuitive
We offer specialized solutions for macOS, iPhone, and iPad that make using e-invoices as simple as possible. With our innovative software, we make handling digital invoices uncomplicated and user-friendly – supported by the latest AI technology to provide you with maximum convenience. Whether on the go or in the office, we ensure that you can always work flexibly and efficiently.
App Support
If you experience issues with specific invoice files, please contact our support team and, if possible, include the problematic file so we can immediately understand and resolve your problem. We're here to ensure smooth processing of your e-invoices.
Custom Solutions for Mac/iPhone/iPad
We understand that every company is different and that while most programs handle 80% of their tasks smoothly, they often can't meet specific requirements. These "small details" can significantly impact the workflow. Contact us for a quote on custom adaptations to your workflow, so you no longer have to worry about it. We are working on several products for your e-invoice workflow that will be released in the coming months.
Privacy
Our programs run locally on your computer without any data collection or similar - our app sandbox even prevents the programs from connecting to the internet. This way, you and your data are 100% secure!
Who WE are
Vogelbusch & Co is a German software company specializing in usability. Under the label TheKeptPromise, we have released various programs for Mac, iPhone, and iPad, some of which are used by millions of users. We also provide custom-tailored contract work for national and international companies. For over 15 years, we have kept our promise to make programs user-friendly and intuitive.

Clean code is the path to fast development, avoiding bugs and ensure code survival.

An intuitive stunning UI, attracts customers and delivers a great product experience.