Multi-State Filing Shopify Apps – Market Share Breakdown
(Updated October 2026) See which multi-state filing 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.
Multi-State Filing Shopify Apps — Full Market Share Table
All tracked multi-state filing 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 |  GST Pro: GST Invoice India | 56.37% | 2.04 | Climbing |
| 2 |  WebPlanex: GST Invoice India | 26.30% | 2.05 | Declining |
| 3 |  TaxCloud Sales Tax Automation | 9.27% | 2.33 | Declining |
| 4 |  Numeral Sales Tax | 6.41% | 4.20 | Climbing |
| 5 |  Sales Tax Automation by TaxRex | 0.81% | 1.67 | Declining |
| 6 |  Sales Tax Filings ‑ BreezyFile | 0.32% | 0.00 | Declining |
| 7 |  Sidr ‑ Sales Tax Automation | 0.23% | 0.02 | Declining |
| 8 |  Filey ‑ Files Backup & Export | 0.09% | 0.00 | Declining |
| 9 |  Kintsugi Sales Tax Automation | 0.09% | 0.03 | Declining |
| 10 |  Quaderno: Taxes & E‑Invoicing | 0.05% | 0.01 | Declining |
Showing 1-10 out of 23
Key Insights:
- GST Pro: GST Invoice India holds 56.4% share of multi-state filing app installs — 30.1pp ahead of WebPlanex: GST Invoice India (26.3%).
- Top 3 apps (GST Pro: GST Invoice India, WebPlanex: GST Invoice India, TaxCloud Sales Tax Automation) account for 91.9% of all multi-state filing install share — a concentrated market.
- Numeral Sales Tax is gaining share fastest this month (+4.20pp) — the largest single gainer among the top multi-state filing apps by share.
- TaxCloud Sales Tax Automation is losing share fastest (-2.33pp) — could indicate a churning user base or a stronger challenger gaining ground.
Multi-State Filing Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 multi-state filing 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 |
|---|---|---|---|---|---|---|
| GST Pro: GST Invoice India | 68.2% | 54.4%13.77 | 55.8%1.31 | 43.6%12.13 | 48.6%4.99 | 46.1%2.52 |
| WebPlanex: GST Invoice India | 18.6% | 28.4%9.85 | 25.6%2.79 | 25.1%0.55 | 29.1%4.05 | 30.8%1.62 |
| Numeral Sales Tax | 1.0% | 2.1%1.14 | 7.7%5.59 | 26.4%18.63 | 17.7%8.67 | 18.4%0.74 |
| TaxCloud Sales Tax Automation | 8.0% | 11.6%3.62 | 9.3%2.31 | 3.7%5.62 | 2.6%1.09 | 2.5%0.12 |
| Sales Tax Filings ‑ BreezyFile | 0.6% | 0.3%0.25 | 0.3%0.07 | 0.3% | 0.6%0.35 | 0.8%0.19 |
Key Insights:
- GST Pro: GST Invoice India's share contracted from 68.2% → 46.1% over the charted period.
- Of the top 5 tracked multi-state filing apps, 3 grew share and 2 lost share — challengers are eating into leader's share.
Top Multi-State Filing Shopify Apps by Country
Per-country market share rankings for multi-state filing 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:
- GST Pro: GST Invoice India leads multi-state filing apps in 2 of 4 tracked markets (India, China).
- GST Pro: GST Invoice India leads worldwide, but 2 of 4 tracked markets crown a different leader — TaxCloud Sales Tax Automation in United States, Quaderno: Taxes & E‑Invoicing in United Kingdom.
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Top 5 Apps in Multi-State Filing
- GST Pro: GST Invoice India — Leads multi-state filing apps with 46.1% install share, rated 5.0★ — gaining share this month.
- WebPlanex: GST Invoice India — Holds 30.8% of multi-state filing app install share, rated 5.0★ — gaining share this month.
- Simple Invoice ‑ Order Printer — Holds 0 of multi-state filing app install share, rated 4.9★.
- Numeral Sales Tax — Holds 18.4% of multi-state filing app install share, rated 4.5★ — losing share this month.
- TaxCloud Sales Tax Automation — Holds 2.5% of multi-state filing app install share, rated 4.7★ — losing share this month.
Multi-State Filing Shopify Apps — Frequently Asked Questions
1. Which multi-state filing app has the highest market share on Shopify?
GST Pro: GST Invoice India dominates the multi-state filing category on Shopify with 56.4% of installs — 30.1pp ahead of WebPlanex: GST Invoice India. 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 multi-state filing Shopify apps?
For multi-state filing (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 multi-state filing apps are gaining market share on Shopify?
Numeral Sales Tax is gaining multi-state filing app market share fastest this month, up +4.20pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which multi-state filing apps are losing market share on Shopify?
TaxCloud Sales Tax Automation has lost the most market share this month among multi-state filing apps (-2.33pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most multi-state filing Shopify app installs?
India drives the largest share of multi-state filing app installs at 76.9%, followed by United States at 21.9% and Canada at 0.5%. Use the country picker on the third card to compare market leaders by country.
6. How many multi-state filing apps does ShopDigest track on Shopify?
ShopDigest tracks 96 multi-state filing apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
