Instead of SumUp Invoices
SumUp Invoices alternatives
SumUp Invoices provides a free starting point for sending unlimited invoices and quotes, managing customers, issuing credit and delivery notes, scheduling recurring invoices, and sending automatic payment reminders. It supports online payments, inventory management, employee permissions, sales reporting, multi-location use, offline mode, and browser, iOS, and Android access. Invoices Plus costs £7.00 per month when billed annually and adds multi-currency invoicing, customization, 14 invoice languages, and bank transfers to any bank account.
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Loyverse
by LoyverseFree plan AndroidAPIiPhone+1Restaurants and merchants needing mobile POS tools — Loyverse adds mobile point-of-sale management for sales, inventory, employees, customers, and restaurant tickets assigned to tables.
Free plan · paid from $5/mo · 14-day trial Visit site - 2
RetailPOS
Free plan AndroidiPhoneLinux+4Open-source retail with e-commerce synchronization — RetailPOS adds open-source physical retail checkout, e-commerce synchronization, broad hardware connections, and offline order queuing.
Free plan Visit site - 3
GoDaddy POS
Free plan AndroidAPIiPhone+1In-person selling with dedicated terminal hardware — GoDaddy POS combines Smart Terminal hardware with product catalogs, printed or digital receipts, refunds, tips, and AI-assisted descriptions.
Free plan · 30-day trial Visit site - 4
Imonggo
Free plan AndroidAPIiPhone+4Small multi-branch businesses with POS needs — Imonggo offers POS operations with multi-location support, while its free tier limits accounts to 1 user, 1 branch, 30 products, and 300 invoices monthly.
Free plan · paid from $30/mo · 30-day trial Visit site - 5
Open Source Point of Sale
Free plan LinuxMacSelf-hosted+2Self-hosted retail and detailed operational controls — Open Source Point of Sale adds self-hosted retail operations such as stock kits, taxation, expenses, gift cards, restaurant tables, and permission-based reporting.
Free plan Visit site - 6
POSfix
by POSfixFree plan AndroidiPhoneWeb+1Multi-location POS with employee controls — POSfix provides inventory, employee permissions, multi-location support, and hardware compatibility, but no offline mode.
Free plan · 30-day trial Visit site - 7
Biyo POS
by Biyo POSFree plan AndroidiPhoneLinux+3Stores wanting broad platform coverage — Biyo POS is an all-in-one store POS with employee permissions, multi-location support, and coverage across Android, iOS, Linux, macOS, web, and Windows.
Free plan · paid from $47/mo · 14-day trial Visit site - 8
InvoiceShelf
Free plan Open source AndroidAPISelf-hosted+1 - 9
Lago
Free plan Open source APISelf-hostedWeb - 10
InvoicePlane
Free plan Open source Self-hostedWeb - 11
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Express Invoice
Free plan AndroidiPhoneMac+2 - 16
Inkvoice
Free plan APILinuxSelf-hosted+1 - 17
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Fakturka.bg
Free plan AndroidAPIiPhone+1 - 21
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InvoiceASAP
Free plan AndroidiPhoneWeb - 27
Factu.me
Free plan AndroidiPhoneWeb - 28
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An alternative may fit better if cards-only payments are restrictive or annual billing does not match your budget. The options below focus more heavily on point-of-sale work, including restaurant tickets, retail checkout, stock control, e-commerce synchronization, and hardware connections. When switching, compare each free plan or paid tier, supported platforms, offline operation, inventory scope, reporting, employee controls, location support, and payment options. Consider whether you need a full physical checkout system or primarily want SumUp Invoices’ recurring billing, customer tools, and reminders.