Sales Tax Automation by TaxRex vs TaxWisp: Automate TaxExemption
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, Nov 8, 2026 for TaxWisp.
The short answer
- Only TaxWisp lists a free plan. Paid plans start at $10/month for Sales Tax Automation by TaxRex and $8/month for TaxWisp.
- Sales Tax Automation by TaxRex lists 10 features TaxWisp’s listing doesn’t mention, including Compliance reporting, Data export, Liability calculation.
Head to head
Automated US State sales tax return reports for your store
- United States
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
Basic Plan
- · Advanced styling options for Store Theme
- · Approve up to 30 tax-exemption requests
- · Auto & custom exempt customer tagging
- · Automated email notifications & tracking
- · Guided tax-exemption request submission
- · Instant tax-exempt checkout, no refunds
Standard Plan
- · Advanced Analytics on Exempted Customers
- · Advanced Analytics on Exempted Sales
- · All features in Basic Plan
- · Auto Tax Jurisdiction & Compliance Match
- · Automated certificate expiry reminders
- · Customizable exemption request flow
Premium Plan
- · AI Co-Pilot for document validation
- · AI-powered insights on exemption request
- · All features in Basic & Standard Plans
- · Automated exempt certificate validation
- · Bulk import of tax-exempt customers
- · Pre/Post-Checkout Exemption Verification
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.
TaxWisp automates sales tax exemption workflows for Shopify stores dealing with Resellers, Nonprofits, Schools, Government agencies & B2B customers. Collect, validate, approve & securely store exemption certificates with centralized dashboards, email alerts & audit-ready storage. Reduce manual errors, speed up tax-exempt checkout, improve compliance & customer experience, eliminate refunds and grow tax-exempt sales.
- 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
- Let customers request sales tax exemption directly from your store.
- Review and approve exemption requests with ease.
- Collect and store exemption certificates securely.
- Enable automated tax exemption approval workflows.
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 |  TaxWisp |
|---|---|---|
| Detected stores | Not published | 8 |
| 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 | Food, Beverages & Tobacco, Home & Garden, Apparel & Accessories |
| Top store countries | Not published | United States |
Reviews
| Measure | Sales Tax Automation by TaxRex | TaxWisp |
|---|---|---|
| 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 | 44% | Not enough data |
Pricing
| Measure | Sales Tax Automation by TaxRex | TaxWisp |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $10/month | $8/month(ahead) |
| Longest free trial | 15 days | 30 days |
| Plans listed | 4 | 3 |
Listing
| Measure | Sales Tax Automation by TaxRex | TaxWisp |
|---|---|---|
| Shopify category rank | #7(ahead) | #69 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Sep 23, 2021 | Oct 14, 2024 |
| Languages | 1 | 1 |
| Developer | TaxRex Inc | Smaitik Ventures |
FAQ
Sales Tax Automation by TaxRex and TaxWisp: common questions
- Is Sales Tax Automation by TaxRex or TaxWisp cheaper?
- Only TaxWisp lists a free plan. Paid plans start at $10/month for Sales Tax Automation by TaxRex and $8/month for TaxWisp. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Sales Tax Automation by TaxRex lists 10 the others don’t mention, such as Compliance reporting, Data export, Liability calculation, Local tax returns. 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, Nov 8, 2026 for TaxWisp; 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, Nov 8, 2026 for TaxWisp. 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.