Tax Compliance Shopify Apps – Analytics & Insights
(Updated September 2026) Track the top tax compliance Shopify apps with live rankings, market share, geography, and review data — updated weekly from the Shopify App Store. This keyword page shows where each app stands today and how its position has shifted over time.
Top Tax Compliance Shopify Apps Ranked Today
Top 10 tax compliance Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market Share | Reviews |
|---|---|---|---|
 Numeral Sales Tax | 1 | 78.00% 6.54 | 141 11 |
 Sidr ‑ Sales Tax Automation | 2 | 3.16% 0.33 | 71 2 |
 RA Term and Condition Checkbox | 3 1 | 6.49% 2.88 | 202 5 |
 TnC: Terms and Conditions Box | 4 1 | 11.12% 9.15 | 554 10 |
 Quaderno: Taxes & E‑Invoicing | 5 | 0.10% 0.39 | 11 0 |
 Shopify TSE (KassenSichV) | 6 2 | 0.00% | 21 0 |
 Invoice Hero | 7 | 0.61% 0.00 | 312 4 |
 Warn Checkout Country Warnings | 8 2 | 0.15% 0.18 | 18 1 |
 Anrok Sales Tax Automation | 9 1 | 0.00% | 0 0 |
 Terms and Conditions checkbox | 10 1 | 0.02% 0.03 | 21 0 |
Key Insights:
- Numeral Sales Tax commands 78.0% market share, 74.8pp ahead of Sidr ‑ Sales Tax Automation — a concentrated tax compliance category.
- In the last 30 days, 3 apps climbed and 3 dropped in ranking among the top 10 tracked tax compliance apps.
- Numeral Sales Tax added the most new reviews this month (+11) — strong adoption momentum.
Live Ranking and Market Share Trends for Tax Compliance Shopify Apps
Monthly ranking and market share trends for the top 5 tax compliance Shopify apps over the past year — see how each app's App Store position and market share have shifted month by month.
Charts Data
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| Numeral Sales Tax | — | #2 | #11 | #1 | #1 | #1 |
| Sidr ‑ Sales Tax Automation | — | #5 | #23 | #31 | #21 | #2 |
| RA Term and Condition Checkbox | — | #3 | #41 | #4 | #4 | #31 |
| TnC: Terms and Conditions Box | — | #6 | #51 | #5 | #32 | #41 |
| Quaderno: Taxes & E‑Invoicing | — | #4 | #95 | #9 | #54 | #5 |
Key Insights:
- Numeral Sales Tax's ranking improved from #2 to #1 over the charted period.
- 3 of 5 top tax compliance apps improved their position; 1 declined — a mixed picture.
- Numeral Sales Tax's market share is 78.0% — gaining +32.0pp since the start of the chart.
Tax Compliance Shopify Apps — Market Share by Country
Top 5 countries driving installs for tax compliance Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market Share | Change |
|---|---|---|
 United States | 86.5% | 1.81 |
 Canada | 2.4% | 0.82 |
 Australia | 2.2% | 0.11 |
 United Kingdom | 1.9% | 0.15 |
 Netherlands | 0.8% | 0.07 |
Key Insights:
- United States accounts for 86.5% of tax compliance app installs — the single largest market.
- Top 3 markets (United States, Canada, Australia) collectively cover 91.2% of all tracked tax compliance installs — highly concentrated demand.
Fastest to 1,000 Reviews — Tax Compliance Shopify Apps
Race-style view of how the top 5 tax compliance Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis.
Charts Data
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
| TnC: Terms and Conditions Box | Not yet reached | 517 |
| RA Term and Condition Checkbox | Not yet reached | 183 |
| Numeral Sales Tax | Not yet reached | 128 |
| Sidr ‑ Sales Tax Automation | Not yet reached | 63 |
| Quaderno: Taxes & E‑Invoicing | Not yet reached | 11 |
Key Insights:
- 5 of the top 5 tax compliance apps haven't yet crossed 1,000 reviews — TnC: Terms and Conditions Box is closest at 517 cumulative.
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Top Tax Compliance Shopify Apps Ranked by Position
Numeral Sales Tax dominates tax compliance with 78.0% market share — a clear category leader Shopify merchants gravitate to first, 74.8pp ahead of Sidr ‑ Sales Tax Automation (3.2%). RA Term and Condition Checkbox sits at #3 with 6.5% share, rounding out the top tier. Together, the top 3 apps absorb 87.6% of all tax compliance installs — a highly concentrated landscape with limited room for new entrants. Shopify TSE (KassenSichV) is the standout mover this month, climbing 2 positions — a momentum signal worth tracking.
Numeral Sales Tax's 78.0% share looks dominant, but Warn Checkout Country Warnings slipped 2 positions this month and the rest of the top 5 has reshuffled. Tax Compliance apps are settled at the top and contested below — for merchants whose needs aren't a perfect Numeral Sales Tax fit, the #2–#5 apps often surface better niche options.
Live Ranking and Market Share Trends Across Tax Compliance Shopify Apps
Numeral Sales Tax climbed from #2 (May 2026) to #1 (Sep 2026) — a 1-position gain among tax compliance apps over the charted window. Across the top 5 plotted tax compliance apps, 3 improved their ranking while 1 declined — the category is moving upward overall. Numeral Sales Tax's share expanded +32.0pp from 46.0% (May 2026) to 78.0% (Sep 2026) — a sustained widening of the gap against other tax compliance apps over this window.
4 of 5 plotted tax compliance apps moved positions in this window — recent trajectory beats current rank as a signal when a category is reshuffling this actively.
Review Growth Velocity in Tax Compliance — Which Apps Grew Fastest
None of the top 5 tax compliance apps tracked here have yet crossed 1,000 reviews. TnC: Terms and Conditions Box leads the set on current cumulative reviews with 517 — closest to the milestone, at roughly 52% of the way there.
With no app in this tax compliance set having crossed 1,000 reviews, the category is still in early adoption. TnC: Terms and Conditions Box is the closest to breaking out at 517 cumulative reviews — worth tracking its per-month review velocity to see whether it's on pace to cross the milestone first.
Top 5 Apps in Tax Compliance
- Numeral Sales Tax — Category leader for tax compliance with 78.0% market share and 4.5★.
- Sidr ‑ Sales Tax Automation — Ranks #2 for tax compliance with 3.2% market share and 5.0★.
- RA Term and Condition Checkbox — Climbed 1 position this month to rank #3 — 6.5% share, 4.9★.
- TnC: Terms and Conditions Box — Currently ranked #4 with 11.1% market share and 4.9★.
- Quaderno: Taxes & E‑Invoicing — Ranks #5 for tax compliance with 0.1% market share and 5.0★.
Tax Compliance Shopify Apps — Frequently Asked Questions
1. What is the best tax compliance app on Shopify?
Numeral Sales Tax is the leading tax compliance app on Shopify, holding 78.0% of category market share with 141 reviews — a clear default for most merchants.
2. Which tax compliance app has the highest market share on Shopify?
Numeral Sales Tax holds the highest market share among tax compliance apps at 78.0% (+6.54pp vs 30 days ago). Market share here is estimated from each app's recent review velocity, with rank-weighted adjustment because positions in keyword search drive most installs.
3. How many tax compliance apps are tracked on Shopify?
ShopDigest tracks 96 tax compliance apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which tax compliance app is growing the fastest on Shopify?
Shopify TSE (KassenSichV) has shown the strongest ranking momentum, climbing 2 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are tax compliance apps most popular on Shopify?
United States has the highest concentration of tax compliance app installs at 86.5%, followed by Canada at 2.4%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for tax compliance on Shopify keyword pages?
For keyword pages, 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. This reflects the reality that Shopify keyword search traffic concentrates heavily at the top of results.
