AtomicTax Sales Tax Automation vs EAS EU & UK Compliance
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for AtomicTax Sales Tax Automation, Oct 30, 2026 for EAS EU & UK Compliance.
The short answer
- On the Shopify App Store: AtomicTax Sales Tax Automation 5.0 from 2 reviews and EAS EU & UK Compliance 4.0 from 78 reviews.
- EAS EU & UK Compliance lists 7 features AtomicTax Sales Tax Automation’s listing doesn’t mention, including EU (VAT), Exemption managment, IOSS and OSS (EU).
Head to head
Automate your EU taxes (IOSS, OSS and FBA)
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Sales Tax Filing
EAS Connector fee
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAtomicTax helps Shopify merchants manage sales tax compliance after orders are placed. The app uses Shopify order data to support economic nexus monitoring, state registration requests, and sales tax filing preparation. Merchants review their data before any registration or filing is submitted. AtomicTax does not replace checkout tax calculation; it focuses on post-sale compliance workflows and filing records.
Sell to EU customers with IOSS registration, automated VAT reporting and filing through EAS. Connect your store to your EAS VAT service, with guided onboarding and help configuring your store. Spend less time on VAT paperwork and more time growing your European sales. EAS services include IOSS, GPSR, EPR, OSS, Non-Union OSS and UK VAT, supporting physical products and digital sales.
- Sales Tax reporting dashboard with real time tax obligation calculation.
- We help your business automate sales tax filing for all US states.
- Economic nexus monitoring for your nexus compliance across all states.
- We help with state registration and obtaining your sales tax ID for each state.
- Works for physical and digital sales! IOSS, OSS, Non-Union OSS and UK VAT
- Provide Europeans a seamless experience without any charges upon delivery!
- IOSS Registration included - Fully automated tax reports and filing - no CSVs!
- Save money with automated VAT corrections for returns and post-sale discounts!
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 |  AtomicTax Sales Tax Automation |  EAS EU & UK Compliance |
|---|---|---|
| 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 | AtomicTax Sales Tax Automation | EAS EU & UK Compliance |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.0 ★ |
| App Store reviews | 2 | 78(ahead) |
| New reviews, 28 days | 0 | 3(ahead) |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | AtomicTax Sales Tax Automation | EAS EU & UK Compliance |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $5.90/month |
| Longest free trial | Not listed | 30 days |
| Plans listed | 1 | 1 |
Listing
| Measure | AtomicTax Sales Tax Automation | EAS EU & UK Compliance |
|---|---|---|
| Shopify category rank | #136 | #21(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Dec 12, 2023 | Mar 25, 2022 |
| Languages | 1 | 1 |
| Developer | AtomicTax | EAS Project |
FAQ
AtomicTax Sales Tax Automation and EAS EU & UK Compliance: common questions
- Which has better reviews, AtomicTax Sales Tax Automation or EAS EU & UK Compliance?
- On the Shopify App Store: AtomicTax Sales Tax Automation 5.0 from 2 reviews and EAS EU & UK Compliance 4.0 from 78 reviews.
- What features does each app list that the other doesn’t?
- AtomicTax Sales Tax Automation lists 2 the others don’t mention, such as Multi-state filing, US (Sales tax). EAS EU & UK Compliance lists 7 the others don’t mention, such as EU (VAT), Exemption managment, IOSS and OSS (EU), Liability calculation. 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 Oct 13, 2026 for AtomicTax Sales Tax Automation, Oct 30, 2026 for EAS EU & UK Compliance; 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 Oct 13, 2026 for AtomicTax Sales Tax Automation, Oct 30, 2026 for EAS EU & UK Compliance. 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.