Tax Calculation Shopify Apps — Full Market Share Table
All tracked tax calculation 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 |  Order Printer Pro: PDF Invoice | 82.53% | 0.21 | Declining |
| 2 |  MS Order Printer ‑ PDF Invoice | 10.11% | 0.20 | Declining |
| 3 |  GST Pro: GST Invoice India | 2.59% | 0.89 | Climbing |
| 4 |  WebPlanex: GST Invoice India | 2.00% | 1.72 | Climbing |
| 5 |  Invoice Falcon | 1.46% | 0.99 | Climbing |
| 6 |  Avada PDF Invoice Generator | 0.36% | 2.48 | Declining |
| 7 |  Oxilayer PDF Invoice Generator | 0.36% | 0.52 | Declining |
| 8 |  Vify Order Printer PDF Invoice | 0.24% | 0.07 | Climbing |
| 9 |  Easyteam POS Time Clock In | 0.15% | 0.26 | Declining |
| 10 |  Lexware Office (lexoffice) | 0.05% | 0.02 | Climbing |
Showing 1-10 out of 24
Key Insights:
- Order Printer Pro: PDF Invoice holds 82.5% share of tax calculation app installs — 72.4pp ahead of MS Order Printer ‑ PDF Invoice (10.1%).
- Top 3 apps (Order Printer Pro: PDF Invoice, MS Order Printer ‑ PDF Invoice, GST Pro: GST Invoice India) account for 95.2% of all tax calculation install share — a concentrated market.
- WebPlanex: GST Invoice India is gaining share fastest this month (+1.72pp) — the largest single gainer among the top tax calculation apps by share.
- Avada PDF Invoice Generator is losing share fastest (-2.48pp) — could indicate a churning user base or a stronger challenger gaining ground.
Tax Calculation Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 tax calculation 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 |
|---|---|---|---|---|---|---|
| Order Printer Pro: PDF Invoice | 79.6% | 77.5%2.05 | 84.4%6.89 | 82.7%1.68 | 82.6%0.17 | 82.5%0.03 |
| MS Order Printer ‑ PDF Invoice | 7.5% | 9.5%2.02 | 9.0%0.52 | 10.3%1.38 | 10.1%0.29 | 10.1%0.06 |
| GST Pro: GST Invoice India | 2.1% | 2.0%0.11 | 3.1%1.18 | 1.7%1.44 | 1.7%0.01 | 2.6%0.89 |
| WebPlanex: GST Invoice India | 0.2% | 0.5%0.29 | 0.5%0.09 | 0.3%0.28 | 0.3%0.01 | 2.0%1.73 |
| Invoice Falcon | 0.0% | 0.2%0.15 | 0.3%0.11 | 0.6%0.25 | 1.4%0.89 | 1.5%0.02 |
Key Insights:
- Order Printer Pro: PDF Invoice's share expanded from 79.6% → 82.5% over the charted period.
- Of the top 5 tracked tax calculation apps, 5 grew share and 0 lost share — leader is widening the gap.
Top Tax Calculation Shopify Apps by Country
Per-country market share rankings for tax calculation 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 | Order Printer Pro: PDF Invoice | Order Printer Pro: PDF Invoice | GST Pro: GST Invoice India | Order Printer Pro: PDF Invoice | Order Printer Pro: PDF Invoice |
| 2 | MS Order Printer ‑ PDF Invoice | MS Order Printer ‑ PDF Invoice | WebPlanex: GST Invoice India | MS Order Printer ‑ PDF Invoice | MS Order Printer ‑ PDF Invoice |
| 3 | GST Pro: GST Invoice India | Invoice Falcon | Order Printer Pro: PDF Invoice | GST Pro: GST Invoice India | Invoice Falcon |
| 4 | WebPlanex: GST Invoice India | Easyteam POS Time Clock In | MS Order Printer ‑ PDF Invoice | WebPlanex: GST Invoice India | Oxilayer PDF Invoice Generator |
| 5 | Invoice Falcon | Avada PDF Invoice Generator | Invoice Falcon | Invoice Falcon | Avada PDF Invoice Generator |
Key Insights:
- Order Printer Pro: PDF Invoice leads tax calculation apps in 3 of 4 tracked markets (United States, China, United Kingdom).
- Order Printer Pro: PDF Invoice leads worldwide, but India bucks the trend — GST Pro: GST Invoice India leads there.
Top 5 Apps in Tax Calculation
- Order Printer Pro: PDF Invoice — Leads tax calculation apps with 82.5% install share, rated 4.9★ — losing share this month.
- MS Order Printer ‑ PDF Invoice — Holds 10.1% of tax calculation app install share, rated 5.0★ — losing share this month.
- GST Pro: GST Invoice India — Holds 2.6% of tax calculation app install share, rated 5.0★ — gaining share this month.
- WebPlanex: GST Invoice India — Holds 2.0% of tax calculation app install share, rated 5.0★ — gaining share this month.
- Invoice Falcon — Holds 1.5% of tax calculation app install share, rated 4.9★ — gaining share this month.
Tax Calculation Shopify Apps — Frequently Asked Questions
1. Which tax calculation app has the highest market share on Shopify?
Order Printer Pro: PDF Invoice dominates the tax calculation category on Shopify with 82.5% of installs — 72.4pp ahead of MS Order Printer ‑ PDF Invoice. 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 calculation Shopify apps?
For tax calculation (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 calculation apps are gaining market share on Shopify?
WebPlanex: GST Invoice India is gaining tax calculation app market share fastest this month, up +1.72pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which tax calculation apps are losing market share on Shopify?
Avada PDF Invoice Generator has lost the most market share this month among tax calculation apps (-2.48pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most tax calculation Shopify app installs?
United States drives the largest share of tax calculation app installs at 19.9%, followed by Germany at 11.2% and Australia at 9.4%. Use the country picker on the third card to compare market leaders by country.
6. How many tax calculation apps does ShopDigest track on Shopify?
ShopDigest tracks 96 tax calculation apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
