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BillingEngine
BillingEngine · Hamburg, Germany · founded 2014
What it is
BillingEngine is cloud invoicing and accounting software for freelancers and small businesses. It creates electronic invoices in ZUGFeRD and XRechnung formats compliant with EN 16931, and every plan includes an unlimited email inbox for incoming e-invoices. Accepted quotes can become invoices, reminders can be sent at several dunning levels, and receipt recognition extracts the amount, date, tax rate, and supplier before matching a receipt to an expense. Users can export data in DATEV, CSV, XLS, XML, or PDF formats; listed integrations include DATEV export and a REST API for customers, invoices, and payments.
The free plan allows three invoices, three quotes, and three receipts per month for one user. Basic costs €6.00 per month plus VAT and allows 30 of each per month for two users. Premium costs €12.00 per month plus VAT and provides unlimited invoices, quotes, and receipts for five users. BillingEngine says data is encrypted in transit, stored on servers in Germany, and archived in a GoBD-compliant manner. For AI receipt recognition, it says only the encrypted document is sent to OpenAI, content is not used to train AI models, and documents remain on its Frankfurt server.
For and against
For
- Creates ZUGFeRD and XRechnung e-invoices
- Unlimited incoming e-invoice email inbox on every plan
- Exports data in DATEV, CSV, XLS, XML, or PDF
- Includes REST API access
- Free plan includes one user
Against
- Free plan allows three invoices per month
- Free plan allows three quotes per month
- Free plan allows three receipts per month
The verdict
BillingEngine combines invoicing, accounting, e-invoice handling, receipt recognition, and several export formats. The free plan has monthly document limits, while paid plans increase those limits and user counts.
Who it suits
BillingEngine suits freelancers and small businesses that need invoicing, accounting, e-invoices, and receipt recognition. Its plans range from a limited free tier to paid options with more document capacity and users.
Plans and prices
Free
3 invoices/month · 3 quotes/month · 3 receipts/month · 1 user
Read 21 Oct 2026 · billingengine.com
Basic
30 invoices/month · 30 quotes/month · 30 receipts/month · 2 users
Read 21 Oct 2026 · billingengine.com
Premium
Unlimited invoices · unlimited quotes · unlimited receipts · 5 users
Read 21 Oct 2026 · billingengine.com
On the record
- AI data handling
- For AI receipt recognition, the site says only the document is sent encrypted to OpenAI, document content is not used to train AI models, and documents remain on its Frankfurt server.billingengine.com · read 29 Sep 2026
- AI data processing
- Receipt documents are encrypted to OpenAI for extraction, are not used to train models, and remain stored on a Frankfurt server.billingengine.com · read 21 Oct 2026
- AI receipt capture
- Receipt recognition extracts the amount, date, tax rate and supplier and matches the receipt to an expense.billingengine.com · read 29 Sep 2026
- API
- Paid plans include a documented REST API for customers, invoices and payments.billingengine.com · read 21 Oct 2026
- Asset depreciation
- Fixed assets support straight-line or declining-balance depreciation with schedules and retirements.billingengine.com · read 21 Oct 2026
- Company address
- The contact page lists Timo Kleemann (DesignBits) at an address in Hamburg, Germany.billingengine.com · read 29 Sep 2026
- Company history
- BillingEngine says it launched in 2014 and was created to offer small businesses a simple invoicing solution.billingengine.com · read 29 Sep 2026
- Company users
- The home page reports more than 2,500 active users and 14 years on the market.billingengine.com · read 21 Oct 2026
- Compliance
- BillingEngine states that document archiving is GoBD-compliant and data protection follows GDPR requirements.billingengine.com · read 21 Oct 2026
- Currencies
- BillingEngine supports invoicing in 32 currencies, including EUR, CHF, USD and GBP.billingengine.com · read 21 Oct 2026
- Dunning
- The software supports staged payment reminders that show the amount still owed.billingengine.com · read 21 Oct 2026
- E-invoices
- It creates e-invoices in ZUGFeRD and XRechnung formats compliant with EN 16931.billingengine.com · read 29 Sep 2026
- E-invoice standards
- Invoices are generated in XRechnung and ZUGFeRD formats compliant with EN 16931.billingengine.com · read 21 Oct 2026
- Expense tracking
- Operating expenses can be recorded and analyzed in the application.billingengine.com · read 21 Oct 2026
- Exports
- Data can be exported at any time in DATEV, CSV, XLS, XML or PDF formats on every plan.billingengine.com · read 21 Oct 2026
- Incoming e-invoice inbox
- Every account receives a permanent email inbox for unlimited incoming e-invoices.billingengine.com · read 21 Oct 2026
- Incoming invoices
- Each plan includes a free, unlimited email inbox for incoming e-invoices.billingengine.com · read 29 Sep 2026
- Independent integration criticism
- An e-invoicing review site says BillingEngine has a very small selection of interfaces compared with competitors.erechnung-anbieter.de · read 21 Oct 2026
