Inventory Tracking Shopify Apps – Analytics & Insights
(Updated October 2026) Track the top inventory tracking 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 Inventory Tracking Shopify Apps Ranked Today
Top 10 inventory tracking Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market Share | Reviews |
|---|---|---|---|
 Preorder, Back In Stock ‑ STOQ | 1 4 | 49.53% 41.25 | 3,773 114 |
 Back In Stock,Notify Me: Kbite | 2 1 | 23.48% 21.41 | 4,202 114 |
 Notify Me! Back in Stock Alert | 3 1 | 16.41% 6.91 | 3,852 123 |
 Stockie Inventory Management | 4 1 | 0.95% 0.57 | 164 21 |
 REZ Preorder, Back In Stock | 5 3 | 7.92% 25.71 | 1,562 53 |
 Preorder, Back in stock Duck | 6 2 | 0.47% 0.28 | 527 16 |
 Essent Preorder Back in Stock | 7 1 | 0.88% 0.67 | 1,292 41 |
 EasyScan Inventory & Barcode | 8 1 | 0.10% 0.05 | 372 16 |
 Stockroom ‑ Purchase Orders | 9 1 | 0.00% | 0 0 |
 Bat Preorders | Preorder Now | 10 5 | 0.06% 0.03 | 276 9 |
Key Insights:
- Preorder, Back In Stock ‑ STOQ commands 49.5% market share, 26.1pp ahead of Back In Stock,Notify Me: Kbite — a concentrated inventory tracking category.
- In the last 30 days, 5 apps climbed and 5 dropped in ranking among the top 10 tracked inventory tracking apps.
- Notify Me! Back in Stock Alert added the most new reviews this month (+123) — strong adoption momentum.
Live Ranking and Market Share Trends for Inventory Tracking Shopify Apps
Monthly ranking and market share trends for the top 5 inventory tracking 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 |
|---|---|---|---|---|---|---|
| Preorder, Back In Stock ‑ STOQ | #21 | #53 | #5 | #5 | #23 | #11 |
| Back In Stock,Notify Me: Kbite | #11 | #1 | #1 | #1 | #1 | #21 |
| Notify Me! Back in Stock Alert | #41 | #4 | #4 | #4 | #31 | #3 |
| Stockie Inventory Management | #56 | #32 | #3 | #3 | #41 | #4 |
| REZ Preorder, Back In Stock | #3 | #21 | #2 | #2 | #53 | #5 |
Key Insights:
- Preorder, Back In Stock ‑ STOQ's ranking held steady from #1 to #1 over the charted period.
- 1 of 5 top inventory tracking apps improved their position; 1 declined — a stable market.
- Preorder, Back In Stock ‑ STOQ's market share is 49.5% — losing -3.9pp since the start of the chart.
Inventory Tracking Shopify Apps — Market Share by Country
Top 5 countries driving installs for inventory tracking Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market Share | Change |
|---|---|---|
 United States | 37.0% | 3.21 |
 United Kingdom | 10.5% | 1.23 |
 Australia | 9.3% | 2.47 |
 Canada | 5.8% | 0.13 |
 Germany | 3.7% | 0.76 |
Key Insights:
- United States accounts for 37.0% of inventory tracking app installs — the single largest market.
- Top 3 markets (United States, United Kingdom, Australia) collectively cover 56.8% of all tracked inventory tracking installs — highly concentrated demand.
Fastest to 1,000 Reviews — Inventory Tracking Shopify Apps
Race-style view of how the top 5 inventory tracking 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 |
|---|---|---|
| REZ Preorder, Back In Stock | 13 | 1,562 |
| Back In Stock,Notify Me: Kbite | 35 | 4,210 |
| Preorder, Back In Stock ‑ STOQ | 38 | 3,755 |
| Notify Me! Back in Stock Alert | 46 | 3,842 |
| Stockie Inventory Management | Not yet reached | 160 |
Key Insights:
- REZ Preorder, Back In Stock reached 1,000 reviews fastest — in 13 months since launch.
- Back In Stock,Notify Me: Kbite crossed 1,000 reviews in 35 months — 22 months behind REZ Preorder, Back In Stock.
- Stockie Inventory Management is still building toward 1,000 reviews — currently at 160 cumulative.
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Top Inventory Tracking Shopify Apps Ranked by Position
Preorder, Back In Stock ‑ STOQ dominates inventory tracking with 49.5% market share — a clear category leader Shopify merchants gravitate to first, 26.1pp ahead of Back In Stock,Notify Me: Kbite (23.5%). Notify Me! Back in Stock Alert sits at #3 with 16.4% share, rounding out the top tier. Together, the top 3 apps absorb 89.4% of all inventory tracking installs — a highly concentrated landscape with limited room for new entrants. Bat Preorders | Preorder Now is the standout mover this month, climbing 5 positions — a momentum signal worth tracking.
Preorder, Back In Stock ‑ STOQ's 49.5% lead has held stably this month, with the top 3 apps capturing 89.4% of all inventory tracking installs. Back In Stock,Notify Me: Kbite (23.5%) is the natural alternative when store fit or pricing rules out Preorder, Back In Stock ‑ STOQ.
Live Ranking and Market Share Trends Across Inventory Tracking Shopify Apps
Preorder, Back In Stock ‑ STOQ held #1 steadily from Oct 2025 to Oct 2026 — an entrenched leader in inventory tracking that challengers haven't displaced. Among the top 5 plotted inventory tracking apps, 1 improved and 1 declined — rankings reshuffled without a single category-wide direction. Preorder, Back In Stock ‑ STOQ's share contracted -3.9pp from 53.4% (Oct 2025) to 49.5% (Oct 2026) — a meaningful narrowing of the leader's gap against other inventory tracking apps over this window.
Stable rankings across the top 5 plotted inventory tracking apps mean merchants have largely settled on their preferences — challengers below the top 5 face an uphill path to break in.
Review Growth Velocity in Inventory Tracking — Which Apps Grew Fastest
REZ Preorder, Back In Stock reached 1,000 reviews in 13 months since launch — the fastest ramp among the top 5 inventory tracking apps tracked here. Back In Stock,Notify Me: Kbite in 35 months, Preorder, Back In Stock ‑ STOQ in 38 months, and Notify Me! Back in Stock Alert took 46 months to cross the same milestone, a 33-month spread between the fastest and slowest in the set.
1 app on this chart hasn't yet crossed 1,000 reviews: Stockie Inventory Management at 160 cumulative reviews. Stockie Inventory Management is closest to the milestone — its current count puts it roughly 16% of the way to 1,000.
The 33-month gap between REZ Preorder, Back In Stock's and Notify Me! Back in Stock Alert's time-to-1,000 highlights how unevenly product-market fit landed across this inventory tracking set — the leader found its merchant audience early, while late-rampers took multiple years to reach the same review depth. For merchants comparing these apps today, slower-ramping apps may have closed the functionality gap but still operate on smaller review bases.
Top 5 Apps in Inventory Tracking
- Preorder, Back In Stock ‑ STOQ — Category leader for inventory tracking with 49.5% market share and 5.0★.
- Back In Stock,Notify Me: Kbite — Currently ranked #2 with 23.5% market share and 5.0★.
- Notify Me! Back in Stock Alert — Climbed 1 position this month to rank #3 — 16.4% share, 4.9★.
- Stockie Inventory Management — Currently ranked #4 with 1.0% market share and 4.9★.
- REZ Preorder, Back In Stock — Currently ranked #5 with 7.9% market share and 5.0★.
Inventory Tracking Shopify Apps — Frequently Asked Questions
1. What is the best inventory tracking app on Shopify?
Preorder, Back In Stock ‑ STOQ is the leading inventory tracking app on Shopify, holding 49.5% of category market share with 3,773 reviews — a clear default for most merchants.
2. Which inventory tracking app has the highest market share on Shopify?
Preorder, Back In Stock ‑ STOQ holds the highest market share among inventory tracking apps at 49.5% (+41.25pp 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 inventory tracking apps are tracked on Shopify?
ShopDigest tracks 96 inventory tracking apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which inventory tracking app is growing the fastest on Shopify?
Bat Preorders | Preorder Now has shown the strongest ranking momentum, climbing 5 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are inventory tracking apps most popular on Shopify?
United States has the highest concentration of inventory tracking app installs at 37.0%, followed by United Kingdom at 10.5%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for inventory tracking 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.
7. Which inventory tracking app reached 1,000 reviews fastest on Shopify?
REZ Preorder, Back In Stock hit 1,000 reviews in 13 months since launch — the fastest review ramp among tracked inventory tracking Shopify apps. See the Review Champions chart above for the full race.
