Comparisons
Billy compared with other tools
Billy is the AI invoicing app for freelancers and small businesses in Germany, Austria and the US. Here we compare Billy honestly with the big tools in your market — including when another tool is the better choice.
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 Billy — as of July 2026.Head-to-heads for Germany
- Billy vs. sevDeskThe accounting incumbent — Billy for everyone whose core job is invoicing and getting paid.
- Billy vs. Lexware OfficeFormerly lexoffice — solid accounting, but Germany-only and without an AI assistant.
- Billy vs. easybillStrong for e-commerce sellers — Billy for everyone who writes client invoices instead of syncing marketplace receipts.
- Billy vs. FastBillInvoicing plus VAT filing — Billy bets on AI prompts, design and automatic dunning instead.
- Billy vs. OdooThe simpler alternative to the ERP suite — focused on invoicing instead of dozens of modules.
- Billy vs. RunpleBusiness suite with inventory — Billy deliberately sticks to invoicing and dunning.
Alternatives guides
- The best sevDesk alternativesThe 5 best sevDesk alternatives in 2026 — honestly compared, from AI invoicing 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 Billy — as of July 2026.Head-to-heads for Austria
- Billy vs. sevDeskThe accounting incumbent — Billy for everyone whose core job is invoicing and getting paid.
- Billy vs. OdooThe simpler alternative to the ERP suite — focused on invoicing instead of dozens of modules.
- Billy vs. kalkülA solid free tool from Austria — Billy adds an AI assistant and automatic dunning.
- Billy vs. ProSaldo.netThe Austrian accounting classic — Billy for everyone thinking about invoices, not bookkeeping.
- Billy vs. FreeFinanceAustrian cloud accounting — Billy 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 AI invoicing 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 €9 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
- Billy vs. QuickBooksThe US accounting giant — Billy is the focused, cheaper AI invoicing assistant.
- Billy vs. FreshBooksPopular with US freelancers — but with client caps and no AI assistant.
- Billy vs. WaveFree accounting from North America — Billy makes the case for paying anyway.
- Billy vs. Zoho InvoiceFree as the on-ramp to the Zoho ecosystem — Billy as the focused alternative without the upsell path.
- Billy vs. Square InvoicesFree invoicing inside the Square payments ecosystem — Billy for anyone 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.