Sidr ‑ Sales Tax Automation vs Tax Rex ‑ Sales Tax Automationfor Shopify (2026)
Both Sidr Tax and Tax Rex offer fully managed US sales tax solutions aimed at automating the complexities of sales tax reporting and filing for Shopify merchants. Both apps boast a perfect 5/5 rating, indicating high user satisfaction. However, Tax Rex has a significantly higher number of reviews (91) compared to Sidr Tax (52), suggesting a larger user base and potentially more established presence. Sidr Tax emphasizes its US-based development and a focus on a quick and effortless solution, appealing to merchants who prioritize localized support and simplicity. Tax Rex positions itself as an all-in-one solution, focusing on seamless integration and efficient handling of sales tax, potentially attracting merchants seeking a comprehensive and hands-off approach.
At a Glance
Sidr ‑ Sales Tax Automation
52 reviews
Tax Rex ‑ Sales Tax Automation
91 reviews
Detailed Overview
Sidr ‑ Sales Tax Automation
Sidr Tax is a US-based fully managed US sales tax solution. Automate your sales tax returns.
Key Features
- Autofile: Fully automate your sales tax filing and always stay on schedule.
- Economic Nexus Dashboard: Know exactly when you need to start collecting taxes.
- Accurate Tax Reports: Sales tax calculations always up to date and export ready.
- Registration: Obtain sales tax permit for you at the right time.
- Chat Support: Have questions? Chat with us and we respond as soon as we can.
Tax Rex ‑ Sales Tax Automation
US State Sales Tax return Reports & Automated Filing for your store. Easy, Accurate & Time Saving!!!
Key Features
- Timely Autofile: Ensure on-time tax return filings while you focus on business
- Accurate Tax Reports: Precise sales tax reports tailored to state's requirements
- Economic Nexus Alerts: Stay informed on new state nexus thresholds
- Effortless State Registration: Simplified new state registration for compliance
- Ability to Ignore orders imported from Marketplaces like Amazon, Ebay, etc
Feature Comparison
| Rating | 5/5 | 5/5 |
Rating Sidr ‑ Sales Tax Automation5/5 Tax Rex ‑ Sales Tax Automation5/5 | ||
| Reviews | 52 | 91 |
Reviews Sidr ‑ Sales Tax Automation52 Tax Rex ‑ Sales Tax Automation91 | ||
| Autofile | Fully automated | Timely |
Autofile Sidr ‑ Sales Tax AutomationFully automated Tax Rex ‑ Sales Tax AutomationTimely | ||
| Economic Nexus | Dashboard | Alerts |
Economic Nexus Sidr ‑ Sales Tax AutomationDashboard Tax Rex ‑ Sales Tax AutomationAlerts | ||
| Registration | Sales tax permit obtained | Simplified new state registration |
Registration Sidr ‑ Sales Tax AutomationSales tax permit obtained Tax Rex ‑ Sales Tax AutomationSimplified new state registration | ||
| Marketplace Integration | Not specified | Ignore orders from marketplaces |
Marketplace Integration Sidr ‑ Sales Tax AutomationNot specified Tax Rex ‑ Sales Tax AutomationIgnore orders from marketplaces | ||
| Support | Chat and Email | Not specified |
Support Sidr ‑ Sales Tax AutomationChat and Email Tax Rex ‑ Sales Tax AutomationNot specified | ||
| Target Audience | Merchants prioritizing US-based support and simplicity | Merchants seeking a comprehensive, hands-off solution |
Target Audience Sidr ‑ Sales Tax AutomationMerchants prioritizing US-based support and simplicity Tax Rex ‑ Sales Tax AutomationMerchants seeking a comprehensive, hands-off solution | ||
Our Verdict
Choosing between Sidr Tax and Tax Rex depends on specific merchant needs. Sidr Tax, with its emphasis on being "Proudly built in the USA" and providing chat/email support, is a good choice for merchants who value US-based support and a streamlined, easy-to-use interface. Tax Rex, with its higher number of reviews and the ability to ignore orders from marketplaces like Amazon and eBay, is a better fit for merchants who sell across multiple platforms and require more robust features for managing diverse sales channels. Tax Rex's "Effortless State Registration" also gives it an edge for merchants anticipating rapid expansion into new states.
Common Questions
Which app has more users?
Tax Rex has more reviews (91) compared to Sidr Tax (52), suggesting a larger user base.
Does either app handle multi-channel sales tax?
Tax Rex explicitly allows ignoring orders imported from marketplaces like Amazon and Ebay. Sidr Tax does not mention marketplace integration.
Which app offers better support?
Sidr Tax specifies providing timely chat and email support, while Tax Rex does not specify its support channels. Based on the information, Sidr Tax appears to offer more explicit support.
How do these apps ensure accurate tax reporting?
Both apps state that they provide accurate sales tax reports tailored to each state's requirements, based on the taxes collected in Shopify.
Which app focuses more on the registration process?
Both apps offer registration assistance, but Tax Rex emphasizes "Effortless State Registration", potentially making it the better choice for merchants expecting to register in multiple new states frequently. Sidr Tax focuses on obtaining a sales tax permit at the right time.
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