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 | 45.87% | 2.67 | Climbing |
| 2 |  WebPlanex: GST Invoice India | 36.35% | 8.06 | Climbing |
| 3 |  Sales Tax Filings ‑ BreezyFile | 8.16% | 7.39 | Climbing |
| 4 |  Simple Invoice ‑ Order Printer | 4.98% | 2.46 | Declining |
| 5 |  Sales Tax Automation by TaxRex | 2.45% | 1.98 | Climbing |
| 6 |  TaxCloud Sales Tax Automation | 0.76% | 1.51 | Declining |
| 7 |  Yonda Sales Tax Automation | 0.70% | 0.46 | Climbing |
| 8 |  Kintsugi Sales Tax Automation | 0.39% | 0.24 | Climbing |
| 9 |  Filey ‑ Files Backup & Export | 0.15% | 0.06 | Climbing |
| 10 |  Sidr ‑ Sales Tax Automation | 0.11% | 0.20 | Declining |
Showing 1-10 out of 23
Key Insights:
- GST Pro: GST Invoice India holds 45.9% share of multi-state filing app installs — 9.5pp ahead of WebPlanex: GST Invoice India (36.3%).
- Top 3 apps (GST Pro: GST Invoice India, WebPlanex: GST Invoice India, Sales Tax Filings ‑ BreezyFile) account for 90.4% of all multi-state filing install share — a concentrated market.
- WebPlanex: GST Invoice India is gaining share fastest this month (+8.06pp) — the largest single gainer among the top multi-state filing apps by share.
- Simple Invoice ‑ Order Printer is losing share fastest (-2.46pp) — 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 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 | Nov 2026 |
|---|---|---|---|---|---|---|
| GST Pro: GST Invoice India | 50.8%1.73 | 52.7%1.90 | 42.5%10.24 | 45.8%3.35 | 46.2%0.40 | 45.9%0.33 |
| WebPlanex: GST Invoice India | 25.6%11.61 | 23.0%2.60 | 24.1%1.04 | 26.6%2.60 | 36.6%9.96 | 36.4%0.26 |
| Sales Tax Filings ‑ BreezyFile | 0.3%0.14 | 0.2%0.07 | 0.2%0.01 | 0.6%0.31 | 8.2%7.67 | 8.2%0.06 |
| Simple Invoice ‑ Order Printer | 8.0%15.42 | 7.0%0.99 | 3.5%3.45 | 7.2%3.68 | 5.0%2.19 | 5.0%0.03 |
| Sales Tax Automation by TaxRex | 2.0%0.10 | 0.7%1.33 | 0.5%0.16 | 0.5%0.08 | 1.2%0.77 | 2.5%1.22 |
Key Insights:
- GST Pro: GST Invoice India's share contracted from 52.5% → 45.9% 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.
United States
India
China
United Kingdom
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 — Sales Tax Filings ‑ BreezyFile in United States, Yonda Sales Tax Automation in United Kingdom.
Top 5 Apps in Multi-State Filing
- GST Pro: GST Invoice India — Leads multi-state filing apps with 45.9% install share, rated 5.0★ — gaining share this month.
- WebPlanex: GST Invoice India — Holds 36.3% of multi-state filing app install share, rated 5.0★ — gaining share this month.
- Sales Tax Filings ‑ BreezyFile — Holds 8.2% of multi-state filing app install share, rated 5.0★ — gaining share this month.
- Simple Invoice ‑ Order Printer — Holds 5.0% of multi-state filing app install share, rated 4.9★ — losing share this month.
- Sales Tax Automation by TaxRex — Holds 2.4% of multi-state filing app install share, rated 5.0★ — gaining 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 45.9% of installs — 9.5pp 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?
WebPlanex: GST Invoice India is gaining multi-state filing app market share fastest this month, up +8.06pp 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?
Simple Invoice ‑ Order Printer has lost the most market share this month among multi-state filing apps (-2.46pp). 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 82.2%, followed by United States at 13.0% and Australia at 0.6%. 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.
