Avalara Tax Compliance Shopify Apps — Full Market Share Table
All tracked avalara tax compliance Shopify apps ranked by current install share, with change vs 30 days ago and Leader / Climbing / Declining / Stable status — filterable by country and date range.
| # | App | Market Share | Change | Status |
|---|---|---|---|---|
| 1 |  Pandectes GDPR Compliance | 81.86% | 42.87 | Climbing |
| 2 |  Judge.me Product Reviews App | 11.71% | 2.25 | Climbing |
| 3 |  Sales Tax Automation by TaxRex | 2.72% | 2.69 | Climbing |
| 4 |  Sales Tax Filings ‑ BreezyFile | 2.18% | 2.17 | Climbing |
| 5 |  TaxCloud Sales Tax Automation | 0.56% | 0.25 | Declining |
| 6 |  TestParty: ADA Compliance | 0.44% | 0.09 | Climbing |
| 7 |  Hoppy GDPR Compliance | 0.19% | 0.00 | Declining |
| 8 |  Zonos Duty and Tax | 0.13% | 0.10 | Climbing |
| 9 |  Omnibus Owl EU Compliance | 0.06% | 0.05 | Climbing |
| 10 |  Yonda Sales Tax Automation | 0.04% | 0.03 | Climbing |
Showing 1-10 out of 24
Key Insights:
- Pandectes GDPR Compliance holds 81.9% share of avalara tax compliance app installs — 70.1pp ahead of Judge.me Product Reviews App (11.7%).
- Top 3 apps (Pandectes GDPR Compliance, Judge.me Product Reviews App, Sales Tax Automation by TaxRex) account for 96.3% of all avalara tax compliance install share — a concentrated market.
- Pandectes GDPR Compliance is gaining share fastest this month (+42.87pp) — the largest single gainer among the top avalara tax compliance apps by share.
- TaxCloud Sales Tax Automation is losing share fastest (-0.25pp) — could indicate a churning user base or a stronger challenger gaining ground.
Avalara Tax Compliance Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 avalara tax compliance Shopify apps over the past year — see who's gaining or losing install share month by month.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Pandectes GDPR Compliance | — | 47.9% | 46.7%1.16 | 43.4%3.33 | 38.1%5.29 | 81.9%43.74 |
| Judge.me Product Reviews App | — | — | — | — | 9.5% | 11.7%2.22 |
| Sales Tax Automation by TaxRex | — | 0.9% | 0.1%0.87 | 0.0%0.02 | 0.1%0.01 | 2.7%2.67 |
| Sales Tax Filings ‑ BreezyFile | — | 0.0% | 0.0%0.02 | 0.0%0.01 | 0.0%– | 2.2%2.14 |
| TaxCloud Sales Tax Automation | — | 0.5% | 0.8%0.36 | 1.0%0.15 | 0.8%0.15 | 0.6%0.25 |
Key Insights:
- Pandectes GDPR Compliance's share expanded from 47.9% → 81.9% over the charted period.
- Of the top 5 tracked avalara tax compliance apps, 5 grew share and 0 lost share — leader is widening the gap.
Top Avalara Tax Compliance Shopify Apps by Country
Per-country market share rankings for avalara tax compliance Shopify apps across 5 markets — see which apps lead in each country and where regional leaders diverge from the global leader.
| # | Worldwide |  United States |  India |  China |  United Kingdom |
|---|---|---|---|---|---|
| 1 | Pandectes GDPR Compliance | Pandectes GDPR Compliance | Judge.me Product Reviews App | Judge.me Product Reviews App | Pandectes GDPR Compliance |
| 2 | Judge.me Product Reviews App | Judge.me Product Reviews App | Pandectes GDPR Compliance | Hoppy GDPR Compliance | Judge.me Product Reviews App |
| 3 | Sales Tax Automation by TaxRex | Sales Tax Automation by TaxRex | Hoppy GDPR Compliance | Pandectes GDPR Compliance | Hoppy GDPR Compliance |
| 4 | Sales Tax Filings ‑ BreezyFile | Sales Tax Filings ‑ BreezyFile | Sales Tax Automation by TaxRex | Sales Tax Automation by TaxRex | Yonda Sales Tax Automation |
| 5 | TaxCloud Sales Tax Automation | TaxCloud Sales Tax Automation | Sales Tax Filings ‑ BreezyFile | Sales Tax Filings ‑ BreezyFile |  Sidr ‑ Sales Tax Automation |
Key Insights:
- Pandectes GDPR Compliance leads avalara tax compliance apps in 2 of 4 tracked markets (United States, United Kingdom).
- Pandectes GDPR Compliance leads worldwide, but 2 of 4 tracked markets crown a different leader — Judge.me Product Reviews App in India, Judge.me Product Reviews App in China.
Top 5 Apps in Avalara Tax Compliance
- Pandectes GDPR Compliance — Leads avalara tax compliance apps with 81.9% install share, rated 5.0★ — gaining share this month.
- Sales Tax Automation by TaxRex — Holds 2.7% of avalara tax compliance app install share, rated 5.0★ — gaining share this month.
- Sales Tax Filings ‑ BreezyFile — Holds 2.2% of avalara tax compliance app install share, rated 5.0★ — gaining share this month.
- TaxCloud Sales Tax Automation — Holds 0.6% of avalara tax compliance app install share, rated 4.7★ — losing share this month.
- Zonos Duty and Tax — Holds 0.1% of avalara tax compliance app install share, rated 4.4★ — gaining share this month.
Avalara Tax Compliance Shopify Apps — Frequently Asked Questions
1. Which avalara tax compliance app has the highest market share on Shopify?
Pandectes GDPR Compliance dominates the avalara tax compliance category on Shopify with 81.9% of installs — 70.1pp ahead of Judge.me Product Reviews App. This is a clear leader by share, so most merchants default to it unless they have a niche-fit reason to pick differently.
2. How is market share calculated for avalara tax compliance Shopify apps?
For avalara tax compliance (a keyword page), market share is rank-weighted — apps at position #1 carry roughly 40× the weight of apps at position #22, and apps beyond #22 are excluded. Each app's weighted score is divided by the total weighted score across the keyword to give the share %. This reflects Shopify search behaviour: most installs come from the top of the results.
3. Which avalara tax compliance apps are gaining market share on Shopify?
Pandectes GDPR Compliance is gaining avalara tax compliance app market share fastest this month, up +42.87pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which avalara tax compliance apps are losing market share on Shopify?
TaxCloud Sales Tax Automation has lost the most market share this month among avalara tax compliance apps (-0.25pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most avalara tax compliance Shopify app installs?
United States drives the largest share of avalara tax compliance app installs at 22.9%, followed by Germany at 22.9% and United Kingdom at 9.3%. Use the country picker on the third card to compare market leaders by country.
6. How many avalara tax compliance apps does ShopDigest track on Shopify?
ShopDigest tracks 96 avalara tax compliance apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
