Tax Calcluation Shopify Apps — Full Market Share Table
All tracked tax calcluation 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 |  Sales Tax Filings ‑ BreezyFile | 59.92% | 57.66 | Climbing |
| 2 |  Sales Tax Automation by TaxRex | 23.07% | 21.85 | Climbing |
| 3 |  TaxCloud Sales Tax Automation | 9.09% | 0.55 | Climbing |
| 4 |  Kintsugi Sales Tax Automation | 3.00% | 2.76 | Climbing |
| 5 |  Yonda Sales Tax Automation | 3.00% | 2.85 | Climbing |
| 6 |  Zonos Duty and Tax | 0.60% | 0.56 | Climbing |
| 7 |  Sidr ‑ Sales Tax Automation | 0.42% | 0.53 | Declining |
| 8 |  TAX Exemption & VAT e‑invoices | 0.32% | 0.23 | Climbing |
| 9 |  Easy Tabs ‑ Product Tabs | 0.27% | 0.16 | Climbing |
| 10 |  Navi+ Tab Bar & Mega Menu | 0.11% | 0.11 | Climbing |
Showing 1-10 out of 25
Key Insights:
- Sales Tax Filings ‑ BreezyFile holds 59.9% share of tax calcluation app installs — 36.9pp ahead of Sales Tax Automation by TaxRex (23.1%).
- Top 3 apps (Sales Tax Filings ‑ BreezyFile, Sales Tax Automation by TaxRex, TaxCloud Sales Tax Automation) account for 92.1% of all tax calcluation install share — a concentrated market.
- Sales Tax Filings ‑ BreezyFile is gaining share fastest this month (+57.66pp) — the largest single gainer among the top tax calcluation apps by share.
- Sidr ‑ Sales Tax Automation is losing share fastest (-0.53pp) — could indicate a churning user base or a stronger challenger gaining ground.
Tax Calcluation Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 tax calcluation Shopify apps over the past year — see who's gaining or losing install share month by month.
Charts Data
| App | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 | Nov 2026 |
|---|---|---|---|---|---|---|
| Sales Tax Filings ‑ BreezyFile | 2.0%0.12 | 1.6%0.39 | 0.6%1.07 | 1.6%0.99 | 61.2%59.66 | 59.9%1.29 |
| Sales Tax Automation by TaxRex | 30.8%0.12 | 1.6%29.24 | 0.4%1.19 | 1.2%0.84 | 23.6%22.35 | 23.1%0.50 |
| TaxCloud Sales Tax Automation | 13.9%9.52 | 20.5%6.66 | 11.5%8.99 | 9.3%2.22 | 9.3%0.03 | 9.1%0.19 |
| Kintsugi Sales Tax Automation | 0.3%0.08 | 0.1%0.23 | 0.1%0.07 | 0.2%0.14 | 1.0%0.83 | 3.0%1.98 |
| Yonda Sales Tax Automation | 0.0%0.03 | 0.0%– | 0.0%– | 0.1%0.11 | 1.8%1.69 | 3.0%1.16 |
Key Insights:
- Sales Tax Filings ‑ BreezyFile's share expanded from 1.9% → 59.9% over the charted period.
- Of the top 5 tracked tax calcluation apps, 3 grew share and 2 lost share — leader is widening the gap.
Top Tax Calcluation Shopify Apps by Country
Per-country market share rankings for tax calcluation 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 | Sales Tax Filings ‑ BreezyFile | Sales Tax Filings ‑ BreezyFile | Sales Tax Filings ‑ BreezyFile | Sales Tax Filings ‑ BreezyFile | Yonda Sales Tax Automation |
| 2 | Sales Tax Automation by TaxRex | Sales Tax Automation by TaxRex | Sales Tax Automation by TaxRex | Sales Tax Automation by TaxRex | Sidr ‑ Sales Tax Automation |
| 3 | TaxCloud Sales Tax Automation | TaxCloud Sales Tax Automation | TaxCloud Sales Tax Automation | TaxCloud Sales Tax Automation | Easy Tabs ‑ Product Tabs |
| 4 | Kintsugi Sales Tax Automation | Kintsugi Sales Tax Automation |  Stripe Tax | Stripe Tax | Navi+ Tab Bar & Mega Menu |
| 5 | Yonda Sales Tax Automation | Yonda Sales Tax Automation | Kintsugi Sales Tax Automation | Kintsugi Sales Tax Automation |  Tax & Duty King – Import Costs |
Key Insights:
- Sales Tax Filings ‑ BreezyFile leads tax calcluation apps in 3 of 4 tracked markets (United States, India, China).
- Sales Tax Filings ‑ BreezyFile leads worldwide, but United Kingdom bucks the trend — Yonda Sales Tax Automation leads there.
Top 5 Apps in Tax Calcluation
- Sales Tax Filings ‑ BreezyFile — Leads tax calcluation apps with 59.9% install share, rated 5.0★ — gaining share this month.
- Sales Tax Automation by TaxRex — Holds 23.1% of tax calcluation app install share, rated 5.0★ — gaining share this month.
- TaxCloud Sales Tax Automation — Holds 9.1% of tax calcluation app install share, rated 4.7★ — gaining share this month.
- Stripe Tax — Holds 0 of tax calcluation app install share.
- Kintsugi Sales Tax Automation — Holds 3.0% of tax calcluation app install share, rated 4.8★ — gaining share this month.
Tax Calcluation Shopify Apps — Frequently Asked Questions
1. Which tax calcluation app has the highest market share on Shopify?
Sales Tax Filings ‑ BreezyFile dominates the tax calcluation category on Shopify with 59.9% of installs — 36.9pp ahead of Sales Tax Automation by TaxRex. 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 tax calcluation Shopify apps?
For tax calcluation (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 tax calcluation apps are gaining market share on Shopify?
Sales Tax Filings ‑ BreezyFile is gaining tax calcluation app market share fastest this month, up +57.66pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which tax calcluation apps are losing market share on Shopify?
Sidr ‑ Sales Tax Automation has lost the most market share this month among tax calcluation apps (-0.53pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most tax calcluation Shopify app installs?
United States drives the largest share of tax calcluation app installs at 92.2%, followed by Canada at 2.8% and Norway at 2.0%. Use the country picker on the third card to compare market leaders by country.
6. How many tax calcluation apps does ShopDigest track on Shopify?
ShopDigest tracks 96 tax calcluation apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
