(Updated September 2026) Track the top sst filing 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 10 sst filing Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market Share | Reviews |
|---|---|---|---|
1 | 45.54% 4.41 | 262 6 | |
2 | 47.35% 7.81 | 140 26 | |
3 1 | 0.00% | 0 0 | |
4 1 | 3.98% 3.43 | 104 4 | |
5 | 0.43% 0.14 | 27 0 | |
6 | 0.53% 0.02 | 71 2 | |
7 | 0.57% 0.34 | 18 10 | |
8 | 0.41% 0.09 | 228 6 | |
9 | 0.00% | 0 0 | |
10 | 0.01% 0.00 | 11 0 |
Key Insights:
Monthly ranking and market share trends for the top 5 sst filing Shopify apps over the past year — see how each app's App Store position and market share have shifted month by month.
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| — | #1 | #1 | #1 | #1 | #1 | |
| — | #5 | #41 | #4 | #22 | #2 | |
| — | #2 | #31 | #3 | #41 | #31 | |
| — | #3 | #21 | #2 | #31 | #41 | |
| — | #4 | #51 | #5 | #5 | #5 |
Key Insights:
Top 5 countries driving installs for sst filing Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market Share | Change |
|---|---|---|
51.2% | 4.04 | |
46.0% | 4.32 | |
1.0% | 0.29 | |
0.6% | 0.13 | |
0.5% | 0.03 |
Key Insights:
Race-style view of how the top 4 sst filing Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis.
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
Not yet reached | 251 | |
Not yet reached | 128 | |
Not yet reached | 95 | |
Not yet reached | 25 |
Key Insights:
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GST Pro: GST Invoice India dominates sst filing with 45.5% market share — a clear category leader Shopify merchants gravitate to first, -1.8pp ahead of Numeral Sales Tax (47.4%). Simple Invoice ‑ Order Printer sits at #3 with 0 share, rounding out the top tier. Together, the top 3 apps absorb 92.9% of all sst filing installs — a highly concentrated landscape with limited room for new entrants. Simple Invoice ‑ Order Printer is the standout mover this month, climbing 1 position — 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.
GST Pro: GST Invoice India's 45.5% lead has held stably this month, with the top 3 apps capturing 92.9% of all sst filing installs. Numeral Sales Tax (47.4%) is the natural alternative when store fit or pricing rules out GST Pro: GST Invoice India.
GST Pro: GST Invoice India held #1 steadily from May 2026 to Sep 2026 — an entrenched leader in sst filing that challengers haven't displaced. Across the top 5 plotted sst filing apps, 3 lost rank positions while only 1 improved — consolidation at the top. GST Pro: GST Invoice India's share held near 45.5% from May 2026 to Sep 2026 — a stable install base for sst filing apps rather than active gain or loss.
Stable rankings across the top 5 plotted sst filing apps mean merchants have largely settled on their preferences — challengers below the top 5 face an uphill path to break in.
None of the top 4 sst filing apps tracked here have yet crossed 1,000 reviews. GST Pro: GST Invoice India leads the set on current cumulative reviews with 251 — closest to the milestone, at roughly 25% of the way there.
With no app in this sst filing set having crossed 1,000 reviews, the category is still in early adoption. GST Pro: GST Invoice India is the closest to breaking out at 251 cumulative reviews — worth tracking its per-month review velocity to see whether it's on pace to cross the milestone first.
GST Pro: GST Invoice India is the leading sst filing app on Shopify, holding 45.5% of category market share with 262 reviews — a clear default for most merchants.
GST Pro: GST Invoice India holds the highest market share among sst filing apps at 45.5% (-4.41pp 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.
ShopDigest tracks 96 sst filing apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
Simple Invoice ‑ Order Printer has shown the strongest ranking momentum, climbing 1 position over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
United States has the highest concentration of sst filing app installs at 51.2%, followed by India at 46.0%. The Geography tab shows the full country-by-country breakdown.
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.
Rankings and trends across every Shopify app, category, and keyword.