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Best alternatives for Tax Rex ‑ Sales Tax Automation Shopify app in 2026 [Updated]
Tax Rex ‑ Sales Tax Automation
by
Rexific Apps
From $10/month. Free trial available.
US State Sales Tax return Reports & Automated Filing for your store. Easy, Accurate & Time Saving!!!
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6 min read
•
May 21, 2026
Handle tax compliance and documentation effortlessly with specialized Shopify apps for sales tax automation, GST/VAT management, and professional invoice generation. From US sales tax filing to EU/UK compliance, these apps help merchants generate tax-compliant invoices, manage multiple tax rates, automate returns, and create detailed reports. Whether you need GST solutions for India, VAT handling for Europe, or state-by-state tax management for the US, these tools simplify complex tax requirements while ensuring accuracy and compliance.
| Name | Rate on Shopify | Price | Free trial | Key features |
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#1. GST Compliant Invoices, Credit notes, Reports, Estimates, Multi Location, e-Invoice & e-Credit notes
This app automatically generates GST compliant invoices, e-invoices, e-credit notes, estimates, and POS receipts for your Shopify store. It handles CGST, SGST, and IGST calculations with HSN codes for both B2B and B2C transactions. The app supports multi-location fulfillment with different GSTIN numbers and lets you customize invoice templates, branding, and numbering. Invoices are sent instantly to customers via email and WhatsApp. You can create offline sales invoices and manage bulk downloads. The report center includes GSTR-1, GSTR-2, GSTR-3B, GSTR-9, and HSN reports ready for filing. It also provides shipping labels and Tally-ready exports to simplify your GST compliance and business operations. -
#2. Professional invoicing that goes beyond order printing. Supports Peppol e-invoicing.
Sufio is a smart invoicing solution built for modern Shopify businesses that need more than basic order printing. This app automatically creates and sends professional invoices, credit notes, receipts, and reminders while ensuring full compliance across all major regions. The app generates legislation-compliant documents translated into multiple languages, making it perfect for global merchants. It includes advanced multi-language and multi-currency support to handle international sales seamlessly. Sufio offers native integration with Shopify B2B and supports e-invoicing standards like Peppol, ZUGFeRD, and Factur-X, making it future-ready for businesses that need compliant, context-driven automation in their invoicing workflow. -
#3. Simple Invoice is a modern and minimalistic invoicing application that offers unique features.
Simple Invoice is a modern invoicing application designed to create minimalistic invoices for Shopify stores. This app focuses on what really matters for invoicing while eliminating unnecessary features, delivering quality without complexity. The app works seamlessly with Shopify and takes under a minute to set up. You can process invoices directly from your Shopify dashboard without switching between platforms. Create compliant invoices that meet your country's requirements, supporting multiple currencies and languages. Send invoices automatically or manually to your customers. The app handles invoices, quotes, and drafts, helping you get paid quickly. You can also upload documents like invoices, packing slips, and drafts to the cloud for easy access and organization. Simple Invoice offers a pure, stunning design that maintains professional quality while keeping everything simple and functional for your store's invoicing needs. -
#4. We create GST Invoices for your clients and precise reports for your accountants/CA.
GST Pro helps Indian Shopify merchants create compliant GST invoices and generate detailed reports for accountants and CAs. This app makes it simple to handle both B2B and B2C sales while meeting all GST compliance requirements in India. Generate professional GST invoices for customers automatically and send them via email. The app includes multiple preset GST reports including GSTR1, GSTR1 B2B, GSTR1 B2C, and GSTR3B formats. You'll have all the sales information needed for your GST filings ready to go. Key features include automated e-invoicing for B2B transactions, advanced packing slips, refund management, and bulk report downloads. Set up takes just minutes, and you can customize reports based on specific requirements from your accountant. Perfect for staying compliant with Indian GST rules without the hassle. -
#5. Automated PDF Invoice Generator for Compliant Invoices, Quotes, Credit Notes, Packing Slips and More
Oxilayer is an automated invoice generator that helps merchants create and send PDF invoices, refunds, packing slips, quotes, fulfillments, proforma invoices, receipts, and return documents. Start quickly with ready-made PDF templates or customize documents using the drag-and-drop editor—no coding required. Build flexible workflows to automate invoice delivery and reduce manual work. Features include 1-click automations, 20+ Shopify Flow actions, integration with emails, customer accounts, checkout, POS, and Shopify admin. Create branded invoices with the template builder, configure flexible tax settings for compliant invoices, and generate sales reports in CSV and PDF formats using date range filters. -
#6. Show tax includes prices and tax excludes prices for all your products and set tax rules you need.
This dual price display app helps stores serve both B2B and B2C customers by showing tax-inclusive and tax-exclusive prices throughout your shop. Display both pricing options on your homepage, product catalog, search results, and product detail pages. Create custom tax rules based on specific countries, products, or customer tags, each with adjustable tax rates. Customize how prices appear with flexible design options and size ratios to match your store's theme. Choose to show both prices simultaneously or select tax-included/excluded only, giving you complete control over price presentation for different customer segments. The app makes it simple to implement clear, consistent pricing that works for all your customers, whether they're businesses or individual buyers. -
#7. Sidr Tax is a US-based fully managed US sales tax solution. Automate your sales tax returns.
Simplify your US sales tax management with Sidr Tax, a comprehensive solution built in the USA. Our automated system handles your complete sales tax compliance journey - from nexus tracking and permit registration to report generation and filing. We create accurate tax reports based on your actual collected sales tax and submit them directly to state websites. Stay compliant with automated filing schedules while our economic nexus dashboard keeps you informed about tax collection requirements. Need assistance? Our responsive support team is available via chat and email to help with your sales tax questions. Let Sidr Tax manage your sales tax obligations so you can focus on growing your business. -
#8. All-in-one order and document management tool with heroic support!
Easy Order Manager+ is an all-in-one order and document management solution with reliable support. Create, print, and send invoices quickly while managing orders with precision. Handle automatic and manual invoicing for regular Shopify orders, and generate legislation-compliant invoices for countries where you make sales. Process and fulfill multiple orders at once using batch tools to save time and scale your workflow. The app includes everything you need: invoices, credit notes, packing slips, and return forms, all seamlessly integrated. Features multi-language and multi-currency support. No tech skills required, backed by fast and responsive support. -
#9. The sales tax filing partner for your brand, handling registration, filing, and multi-channel nexus.
TaxCloud provides comprehensive sales tax automation for Shopify merchants, specializing in registration, filing, and multi-channel nexus management. As a certified Streamlined Sales Tax (SST) service provider, we help businesses save on tax filing costs across 24 member states. Our solution features daily order synchronization, ensuring precise and timely tax filings. The U.S.-based support team guides merchants through every aspect of sales tax compliance, from initial setup to ongoing management. With automated nexus tracking, state-specific compliance alerts, and seamless TIC mapping using Shopify categories, TaxCloud delivers reliable sales tax management for multi-channel sellers. We make switching tax providers straightforward and ensure your records remain audit-ready. -
#10. TSE | RKSV | Switzerland: Compliant POS for DACH 🇩🇪🇦🇹🇨🇭. Z-report, cashbook, accounting.
OpenFiskal provides essential fiscalization services for Shopify POS merchants operating in Germany, Austria, and Switzerland. The platform ensures full compliance with KassenSichV and RKSV regulations through real-time receipt signing with QR codes for TSE and RKSV requirements. Compatible with all Shopify printers, the system handles sales, refunds, and exchanges while maintaining secure documentation. Merchants benefit from automated Z-reports for simplified bookkeeping, comprehensive cash book management with CSV exports, and specialized exports for tax audits including DSFinV-K and DEP7 formats. For Austrian businesses, the platform includes FinanzOnline integration for required receipt reporting. Personal support is available to help merchants maintain compliance and manage their POS operations effectively.