Comparisons
Invoicing software compared: sevDesk, Lexware Office, easybill & co. vs Backbone
Billy is now Backbone: the back office for freelancers and small businesses in Germany and Austria — time tracking, invoices with ZUGFeRD, dunning, receipts and an AI assistant, from €19 a month incl. VAT. Here we compare Backbone honestly with the big tools in your market — including when another tool is the better choice. For a US-based business, that is often a US tool.
Comparisons for your country:
The full market comparison
Invoicing software compared (2026)The market overview with feature matrix: sevDesk, Lexware Office, easybill, FastBill and Odoo honestly compared with Backbone — competitors as of July 2026, Backbone as of October 2026.Head-to-heads for Germany
- Backbone vs. sevDeskThe accounting incumbent — Backbone for everyone who bills their work, wants to get paid and leaves the books to a tax advisor.
- Backbone vs. Lexware OfficeFormerly lexoffice — solid accounting, but Germany-only and without automatic dunning.
- Backbone vs. easybillStrong for e-commerce sellers — Backbone for everyone who bills client work instead of syncing marketplace receipts.
- Backbone vs. FastBillInvoicing plus VAT filing — Backbone bets on an AI assistant, time tracking, receipts and dunning with interest instead.
- Backbone vs. OdooThe simpler alternative to the ERP suite — one back office for time, invoices and receipts instead of dozens of modules.
- Backbone vs. RunpleBusiness suite with inventory — Backbone deliberately sticks to time, invoicing, dunning and receipts.
Alternatives guides
- The best sevDesk alternativesThe 5 best sevDesk alternatives in 2026 — honestly compared, from an AI back office to full accounting.
- The best Lexware Office alternativesThe 5 best Lexware Office alternatives in 2026 — for anyone who needs automatic dunning, Austria or an honest entry price.
- The best easybill alternativesThe 5 best easybill alternatives in 2026 — for service businesses that need dunning without a premium tier, not marketplace sync.
- The best FastBill alternativesThe 5 best FastBill alternatives in 2026 — dunning without an add-on, Austria included, or full accounting instead.
- The best Odoo alternativesThe 5 best Odoo alternatives in 2026 — simpler than the ERP suite, from AI invoicing to full accounting.
The full market comparison
Invoicing software compared (2026)The market overview with feature matrix: sevDesk, Lexware Office, easybill, FastBill and Odoo honestly compared with Backbone — competitors as of July 2026, Backbone as of October 2026.Head-to-heads for Austria
- Backbone vs. sevDeskThe accounting incumbent — Backbone for everyone who bills their work, wants to get paid and leaves the books to a tax advisor.
- Backbone vs. OdooThe simpler alternative to the ERP suite — one back office for time, invoices and receipts instead of dozens of modules.
- Backbone vs. kalkülA solid free tool from Austria — Backbone adds an AI assistant, dunning with interest and a receipt export for your accountant.
- Backbone vs. ProSaldo.netThe Austrian accounting classic — Backbone for everyone thinking about invoices and receipts, not bookkeeping.
- Backbone vs. FreeFinanceAustrian cloud accounting — Backbone for everyone who cares more about invoices and dunning than VAT returns.
Alternatives guides
- The best sevDesk alternativesThe 5 best sevDesk alternatives in 2026 — honestly compared, from an AI back office to full accounting.
- The best Odoo alternativesThe 5 best Odoo alternatives in 2026 — simpler than the ERP suite, from AI invoicing to full accounting.
- The best kalkül alternativesThe 5 best kalkül alternatives in 2026 — honestly compared, from AI invoicing to full Austrian accounting.
- The best ProSaldo.net alternativesThe 5 best ProSaldo.net alternatives in 2026 — honestly compared, from AI invoicing to free tools.
- The best FreeFinance alternativesThe 5 best FreeFinance alternatives in 2026 — honestly compared, from €19 incl. VAT AI invoicing to free tools.
- The best Runple alternativesThe 5 best Runple alternatives in 2026 — honestly compared, from focused AI invoicing to full accounting.
Head-to-heads for the US
- Backbone vs. QuickBooksThe US accounting giant — Backbone is the focused option for German and Austrian freelancers billing US clients.
- Backbone vs. FreshBooksPopular with US freelancers — but with client caps and no AI assistant. Backbone is the option for DE/AT.
- Backbone vs. WaveFree accounting from North America — Backbone makes the case for paying if you are based in Germany or Austria.
- Backbone vs. Zoho InvoiceFree as the on-ramp to the Zoho ecosystem — Backbone as the focused alternative without the upsell path (for DE/AT).
- Backbone vs. Square InvoicesFree invoicing inside the Square payments ecosystem — Backbone for anyone in DE/AT avoiding the processing lock-in.
Alternatives guides
- The best QuickBooks alternativesThe 5 best QuickBooks alternatives in 2026 — honestly compared, from AI invoicing to genuinely free tools.
- The best FreshBooks alternativesThe 5 best FreshBooks alternatives in 2026 — honestly compared, client caps included.
- The best Wave alternativesThe 5 best Wave alternatives in 2026 — honestly compared, including what "free" actually costs.
- The best Zoho Invoice alternativesThe 5 best Zoho Invoice alternatives in 2026 — honestly compared, from the base-currency limit to the ecosystem upsell.
- The best Square Invoices alternativesThe 5 best Square Invoices alternatives in 2026 — honestly compared, from the free-plan card rate to country availability.