Sales Tax Automation by TaxRex vs VAT Ai
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 6, 2026 for Sales Tax Automation by TaxRex, Feb 19, 2026 for VAT Ai.
The short answer
- VAT Ai lists 8 features Sales Tax Automation by TaxRex’s listing doesn’t mention, including Canada (HST, PST, GST), EU (VAT), Exemption managment.
Head to head
Automated US State sales tax return reports for your store
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
STARTUP
- · $0.05 for every additional order.
- · Economic Nexus Analysis Report
- · Email Support
- · Plan covers 200 orders / month
- · State Nexus wise sales reports
GROWTH
- · $0.04 for additional order
- · Economic Nexus Analysis Report
- · Email Support
- · Multi-store support
- · Plan covers 500 orders / month
- · State wise reports
ADVANCED
- · $0.02 for additional order
- · Economic Nexus Analysis Dashboard
- · Email Support
- · Multi-store support
- · Plan covers 1500 orders / month
- · State wise reports
ENTERPRISE
- · $0.01 for additional order
- · Economic Nexus Analysis Report
- · Email Support
- · Multi-store support
- · Plan covers 10000 orders / month
- · State wise reports
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureEmpower your Shopify e-commerce business with Tax Rex - our seamless all-in-one sales tax solution. From crafting accurate sales tax reports to timely filing on state portals, we've got you covered. Our economic nexus dashboard ensures you never miss a new state's threshold, helping you register in new US states with ease. Focus on growth; we'll handle the tax headaches. Simplify tax compliance today.
VAT Ai is a smart tax compliance tool for e-commerce. It deeply integrates with Shopify order data to automate sales tax calculations, filing prep, and risk monitoring. Whether you're a cross-border seller, a multi-region business, or a merchant seeking compliance efficiency, VAT Ai turns complex tax processes into one - click operations, eliminating manual reconciliation and regulatory uncertainties.
- 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
- Smart Order Data Analysis
- Automated Tax Report Generation
- Real - time Sales Tracking and Visualization
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Sales Tax Automation by TaxRex |  VAT Ai |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Sales Tax Automation by TaxRex | VAT Ai |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 135 | Not published |
| New reviews, 28 days | 5 | Not enough data |
| Reviewers a year or more in | 43% | Not enough data |
Pricing
| Measure | Sales Tax Automation by TaxRex | VAT Ai |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $10/month | No monthly plan listed |
| Longest free trial | 15 days | Not listed |
| Plans listed | 4 | Not published |
Listing
| Measure | Sales Tax Automation by TaxRex | VAT Ai |
|---|---|---|
| Shopify category rank | #8(ahead) | #62 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Sep 23, 2021 | Aug 19, 2025 |
| Languages | 1 | 2 |
| Developer | TaxRex Inc | VATAI Technology |
FAQ
Sales Tax Automation by TaxRex and VAT Ai: common questions
- What features does each app list that the other doesn’t?
- Sales Tax Automation by TaxRex lists 7 the others don’t mention, such as Compliance reporting, Data export, Liability calculation, Local tax returns. VAT Ai lists 8 the others don’t mention, such as Canada (HST, PST, GST), EU (VAT), Exemption managment, India (GST). A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 6, 2026 for Sales Tax Automation by TaxRex, Feb 19, 2026 for VAT Ai; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 6, 2026 for Sales Tax Automation by TaxRex, Feb 19, 2026 for VAT Ai. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.