Apps tracked
Category leader
R Terms and Condition CheckboxTop region
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 |
|---|---|---|---|
 Sidr ‑ Sales Tax Automation | 11 | 16.62%13.49 | 721 |
| R Terms and Condition Checkbox | 21 | 39.18%32.31 | 2043 |
 Quaderno: Taxes & E‑Invoicing | 32 | 1.66%1.57 | 132 |
 TN Term and Condition Checkbox | 4– | 37.99%26.47 | 5654 |
 Anrok Sales Tax Automation | 54 | 0.00%– | 0– |
 Shopify TSE (KassenSichV) | 6– | 0.00%– | 21– |
 Sales Tax Automation by TaxRex | 78 | 2.49%2.42 | 1311 |
 TaxCloud Sales Tax Automation | 84 | 0.93%0.81 | 1051 |
 Terms and Conditions checkbox | 91 | 0.19%0.17 | 221 |
 DRINKS ASSURE | 107 | 0.03%0.03 | 31– |
Key Insights:
- Sidr ‑ Sales Tax Automation commands 16.6% market share, -22.6pp ahead of R Terms and Condition Checkbox — a fragmented tax compliance category.
- In the last 30 days, 8 apps climbed in ranking among the top 10 tracked tax compliance apps.
- TN Term and Condition Checkbox added the most new reviews this month (+4) — strong adoption momentum.
- Note: R Terms and Condition Checkbox holds higher market share (39.2%) than the rank-#1 app Sidr ‑ Sales Tax Automation — share and App Store rank don't align in this category, so cross-checking both views matters.
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 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Sidr ‑ Sales Tax Automation | #5– | #23 | #31 | #21 | #2– | #11 |
| R Terms and Condition Checkbox | #3– | #41 | #4– | #4– | #31 | #21 |
| Quaderno: Taxes & E‑Invoicing | #4– | #95 | #9– | #54 | #5– | #32 |
| TN Term and Condition Checkbox | #6– | #51 | #5– | #32 | #41 | #4– |
| Anrok Sales Tax Automation | #8– | #102 | #73 | #103 | #91 | #54 |
Key Insights:
- Sidr ‑ Sales Tax Automation's ranking improved from #5 to #1 over the charted period.
- 5 of 5 top tax compliance apps improved their position; 0 declined — a mixed picture.
- Sidr ‑ Sales Tax Automation's market share is 16.6% — gaining +12.1pp 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 | 56.2% | 29.86 |
 Australia | 6.5% | 4.22 |
 Canada | 5.5% | 3.26 |
 United Kingdom | 5.3% | 3.35 |
 Germany | 3.7% | 2.75 |
Key Insights:
- United States accounts for 56.2% of tax compliance app installs — the single largest market.
- Top 3 markets (United States, Australia, Canada) collectively cover 68.2% of all tracked tax compliance installs — highly concentrated demand.
- Australia is the fastest-growing market this month (+4.2pp) — emerging demand worth watching.
Fastest to 1,000 Reviews — Tax Compliance Shopify Apps
Race-style view of how the top 4 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 |
|---|---|---|
| TN Term and Condition Checkbox | Not yet reached | 566 |
| R Terms and Condition Checkbox | Not yet reached | 201 |
| Sidr ‑ Sales Tax Automation | Not yet reached | 72 |
| Quaderno: Taxes & E‑Invoicing | Not yet reached | 12 |
Key Insights:
- 4 of the top 4 tax compliance apps haven't yet crossed 1,000 reviews — TN Term and Condition Checkbox is closest at 566 cumulative.
Top Tax Compliance Shopify Apps Ranked by Position
Sidr ‑ Sales Tax Automation ranks #1 for tax compliance with 16.6% share — the leader position in a fragmented field where many apps are within striking distance, -22.6pp ahead of R Terms and Condition Checkbox (39.2%). Quaderno: Taxes & E‑Invoicing sits at #3 with 1.7% share, rounding out the top tier. The top 3 apps together control 57.5% of tax compliance installs — a clear leadership tier with a meaningful long tail behind them. Sales Tax Automation by TaxRex is the standout mover this month, climbing 8 positions — a momentum signal worth tracking. Worth noting: the top-ranked app and the highest-share app aren't the same here — App Store rank and our market share metric (computed from review counts and other factors) move on independent dynamics, so cross-checking both views matters in this category.
Tax Compliance is a fragmented market — the top 3 apps together hold only 57.5% of installs, leaving Sidr ‑ Sales Tax Automation's 16.6% lead modest in absolute terms and Quaderno: Taxes & E‑Invoicing at 1.7% still capturing meaningful share. With this many viable apps, pricing model and integration depth differentiate tax compliance options more than rank does.
Live Ranking and Market Share Trends Across Tax Compliance Shopify Apps
Sidr ‑ Sales Tax Automation climbed from #5 (May 2026) to #1 (Oct 2026) — a 4-position gain among tax compliance apps over the charted window. Across the top 5 plotted tax compliance apps, 5 improved their ranking while 0 declined — the category is moving upward overall. Sidr ‑ Sales Tax Automation's share expanded +12.1pp from 4.6% (May 2026) to 16.6% (Oct 2026) — a sustained widening of the gap against other tax compliance apps over this window.
A 4-position move for the leader over the charted tax compliance window is large enough to reflect real merchant adoption shifts, not just App Store noise — Sidr ‑ Sales Tax Automation's climb as of Oct 2026 is the strongest trajectory signal in this chart.
Review Growth Velocity in Tax Compliance — Which Apps Grew Fastest
None of the top 4 tax compliance apps tracked here have yet crossed 1,000 reviews. TN Term and Condition Checkbox leads the set on current cumulative reviews with 566 — closest to the milestone, at roughly 57% of the way there.
With no app in this tax compliance set having crossed 1,000 reviews, the category is still in early adoption. TN Term and Condition Checkbox is the closest to breaking out at 566 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
- Sidr ‑ Sales Tax Automation — Tops the tax compliance rankings with 16.6% market share and 5.0★.
- R Terms and Condition Checkbox — Climbed 1 position this month to rank #2 — 39.2% share, 5.0★.
- Quaderno: Taxes & E‑Invoicing — Climbed 2 positions this month to rank #3 — 1.7% share, 4.4★.
- TN Term and Condition Checkbox — Ranks #4 for tax compliance with 38.0% market share and 4.9★.
- Anrok Sales Tax Automation — Climbed 4 positions this month to rank #5 — 0 share, 0 reviews.
Tax Compliance Shopify Apps — Frequently Asked Questions
1. What is the best tax compliance app on Shopify?
tax compliance is a fragmented market on Shopify — Sidr ‑ Sales Tax Automation ranks #1 with 16.6% market share, but multiple apps capture meaningful share. Compare the top 5 on rankings, market share, and reviews to find the right fit for your store.
2. Which tax compliance app has the highest market share on Shopify?
Sidr ‑ Sales Tax Automation holds the highest market share among tax compliance apps at 16.6% (+13.49pp 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?
Sales Tax Automation by TaxRex has shown the strongest ranking momentum, climbing 8 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 56.2%, followed by Australia at 6.5%. 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.
