Tax Calcluation Shopify Apps – Market Share Breakdown
(Updated October 2026) See which tax calcluation Shopify apps dominate installs and how their share has shifted over time. This keyword page shows the full market share table, monthly share trends for the leaders, and a country-level breakdown so you can compare global vs regional dominance.
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 |  Numeral Sales Tax | 68.30% | 39.88 | Climbing |
| 2 |  TaxCloud Sales Tax Automation | 23.29% | 5.02 | Climbing |
| 3 |  Sales Tax Filings ‑ BreezyFile | 2.39% | 0.27 | Declining |
| 4 |  Sales Tax Automation by TaxRex | 1.95% | 43.73 | Declining |
| 5 |  Zonos Duty and Tax | 1.23% | 0.28 | Climbing |
| 6 |  Tabs Studio | 0.82% | 0.76 | Climbing |
| 7 |  Sidr ‑ Sales Tax Automation | 0.61% | 0.53 | Declining |
| 8 |  Easy Tabs ‑ Product Tabs | 0.51% | 1.01 | Declining |
| 9 |  TA MAPPY: Store Locator & Maps | 0.39% | 0.39 | Climbing |
| 10 |  Sale max ‑ Slide Cart Drawer | 0.14% | 0.20 | Declining |
Showing 1-10 out of 25
Key Insights:
- Numeral Sales Tax holds 68.3% share of tax calcluation app installs — 45.0pp ahead of TaxCloud Sales Tax Automation (23.3%).
- Top 3 apps (Numeral Sales Tax, TaxCloud Sales Tax Automation, Sales Tax Filings ‑ BreezyFile) account for 94.0% of all tax calcluation install share — a concentrated market.
- Numeral Sales Tax is gaining share fastest this month (+39.88pp) — the largest single gainer among the top tax calcluation apps by share.
- Sales Tax Automation by TaxRex is losing share fastest (-43.73pp) — 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 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Numeral Sales Tax | 15.5% | 28.5%13.05 | 72.6%44.08 | 86.2%13.63 | 86.1%0.1 | 86.4%0.28 |
| TaxCloud Sales Tax Automation | 32.3% | 18.9%13.36 | 20.6%1.69 | 11.7%8.96 | 9.3%2.33 | 8.6%0.75 |
| Sales Tax Filings ‑ BreezyFile | 2.6% | 2.8%0.14 | 1.6%1.12 | 0.6%1.07 | 1.6%0.98 | 2.0%0.43 |
| Sales Tax Automation by TaxRex | 44.9% | 44.7%0.21 | 1.7%42.99 | 0.4%1.26 | 1.3%0.86 | 1.3% |
| Sidr ‑ Sales Tax Automation | 0.2% | 1.2%0.97 | 0.5%0.65 | 0.1%0.41 | 0.9%0.83 | 1.0%0.01 |
Key Insights:
- Numeral Sales Tax's share expanded from 15.5% → 86.4% over the charted period.
- Of the top 5 tracked tax calcluation apps, 2 grew share and 3 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 | | | | | |
| 2 | | | | | |
| 3 | | | | |  |
| 4 | | | | |  |
| 5 | | | | | |
Key Insights:
- Numeral Sales Tax leads in United States; Sale max ‑ Slide Cart Drawer leads in India.
- Numeral Sales Tax leads worldwide, but 3 of 4 tracked markets crown a different leader — Sale max ‑ Slide Cart Drawer in India, TA MAPPY: Store Locator & Maps in China, and others.
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Top 5 Apps in Tax Calcluation
- Numeral Sales Tax — Leads tax calcluation apps with 86.4% install share, rated 4.5★ — gaining share this month.
- TaxCloud Sales Tax Automation — Holds 8.6% of tax calcluation app install share, rated 4.7★ — losing share this month.
- Tabs Studio — Holds 0.2% of tax calcluation app install share, rated 5.0★.
- Sales Tax Filings ‑ BreezyFile — Holds 2.0% of tax calcluation app install share, rated 5.0★ — gaining share this month.
- Sidr ‑ Sales Tax Automation — Holds 1.0% of tax calcluation app install share, rated 5.0★ — gaining share this month.
Tax Calcluation Shopify Apps — Frequently Asked Questions
1. Which tax calcluation app has the highest market share on Shopify?
Numeral Sales Tax dominates the tax calcluation category on Shopify with 68.3% of installs — 45.0pp ahead of TaxCloud Sales Tax Automation. 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?
Numeral Sales Tax is gaining tax calcluation app market share fastest this month, up +39.88pp 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?
Sales Tax Automation by TaxRex has lost the most market share this month among tax calcluation apps (-43.73pp). 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 95.5%, followed by Canada at 2.0% and United Kingdom at 0.9%. 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.
