Inventory Reports Shopify Apps – Market Share Breakdown
(Updated October 2026) See which inventory reports 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.
Inventory Reports Shopify Apps — Full Market Share Table
All tracked inventory reports 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 |  REZ Preorder, Back In Stock | 54.17% | 1.89 | Climbing |
| 2 |  Back In Stock,Notify Me: Kbite | 20.52% | 0.95 | Declining |
| 3 |  Notify Me! Back in Stock Alert | 13.41% | 0.02 | Climbing |
| 4 |  Preorder, Back In Stock ‑ STOQ | 9.62% | 0.84 | Declining |
| 5 |  Essent Preorder Back in Stock | 1.35% | 0.14 | Declining |
| 6 |  Stockie Inventory Management | 0.43% | 0.10 | Climbing |
| 7 |  EasyScan Inventory & Barcode | 0.12% | 0.01 | Declining |
| 8 |  Prediko Inventory Management | 0.11% | 0.02 | Climbing |
| 9 |  Preorder, Back in stock Duck | 0.09% | 0.07 | Declining |
| 10 |  Report Pundit: Custom Reports | 0.06% | 0.06 | Climbing |
Showing 1-10 out of 27
Key Insights:
- REZ Preorder, Back In Stock holds 54.2% share of inventory reports app installs — 33.7pp ahead of Back In Stock,Notify Me: Kbite (20.5%).
- Top 3 apps (REZ Preorder, Back In Stock, Back In Stock,Notify Me: Kbite, Notify Me! Back in Stock Alert) account for 88.1% of all inventory reports install share — a concentrated market.
- REZ Preorder, Back In Stock is gaining share fastest this month (+1.89pp) — the largest single gainer among the top inventory reports apps by share.
- Back In Stock,Notify Me: Kbite is losing share fastest (-0.95pp) — could indicate a churning user base or a stronger challenger gaining ground.
Inventory Reports Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 inventory reports 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 |
|---|---|---|---|---|---|---|
| Preorder, Back In Stock ‑ STOQ | 50.8% | 10.4%40.36 | 9.6%0.89 | 7.8%1.73 | 48.6%40.82 | 48.6%0.08 |
| Back In Stock,Notify Me: Kbite | 21.4% | 21.4%0.03 | 20.5%0.96 | 42.0%21.51 | 23.0%18.99 | 23.0%0.02 |
| Notify Me! Back in Stock Alert | 7.0% | 13.4%6.38 | 13.5%0.11 | 24.7%11.21 | 15.8%8.9 | 16.1%0.27 |
| REZ Preorder, Back In Stock | 16.6% | 52.3%35.7 | 54.2%1.85 | 20.4%33.73 | 7.8%12.67 | 7.8%0.01 |
 Preorder Now Presale Timesact | — | — | — | 3.0% | 2.9%0.1 | 2.9%0.01 |
Key Insights:
- Preorder, Back In Stock ‑ STOQ's share contracted from 50.8% → 48.6% over the charted period.
- Of the top 5 tracked inventory reports apps, 2 grew share and 3 lost share — challengers are eating into leader's share.
Top Inventory Reports Shopify Apps by Country
Per-country market share rankings for inventory reports 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:
- REZ Preorder, Back In Stock leads inventory reports apps in all 4 tracked markets — United States, India, China, United Kingdom.
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Top 5 Apps in Inventory Reports
- Preorder, Back In Stock ‑ STOQ — Leads inventory reports apps with 48.6% install share, rated 5.0★ — gaining share this month.
- Back In Stock,Notify Me: Kbite — Holds 23.0% of inventory reports app install share, rated 5.0★ — losing share this month.
- Notify Me! Back in Stock Alert — Holds 16.1% of inventory reports app install share, rated 4.9★ — losing share this month.
- Preorder Now Presale Timesact — Holds 2.9% of inventory reports app install share, rated 5.0★ — losing share this month.
- REZ Preorder, Back In Stock — Holds 7.8% of inventory reports app install share, rated 5.0★ — losing share this month.
Inventory Reports Shopify Apps — Frequently Asked Questions
1. Which inventory reports app has the highest market share on Shopify?
REZ Preorder, Back In Stock dominates the inventory reports category on Shopify with 54.2% of installs — 33.7pp ahead of Back In Stock,Notify Me: Kbite. 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 inventory reports Shopify apps?
For inventory reports (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 inventory reports apps are gaining market share on Shopify?
REZ Preorder, Back In Stock is gaining inventory reports app market share fastest this month, up +1.89pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which inventory reports apps are losing market share on Shopify?
Back In Stock,Notify Me: Kbite has lost the most market share this month among inventory reports apps (-0.95pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most inventory reports Shopify app installs?
United States drives the largest share of inventory reports app installs at 36.9%, followed by United Kingdom at 10.5% and Australia at 9.4%. Use the country picker on the third card to compare market leaders by country.
6. How many inventory reports apps does ShopDigest track on Shopify?
ShopDigest tracks 96 inventory reports apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
