Stock Alerts Shopify Apps – Market Share Breakdown
(Updated October 2026) See which stock alerts 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.
Stock Alerts Shopify Apps — Full Market Share Table
All tracked stock alerts 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 |  Notify Me! Back in Stock Alert | 46.08% | 1.93 | Climbing |
| 2 |  Back In Stock,Notify Me: Kbite | 23.61% | 0.77 | Climbing |
| 3 |  Preorder, Back In Stock ‑ STOQ | 16.55% | 1.02 | Declining |
| 4 |  REZ Preorder, Back In Stock | 10.14% | 1.00 | Declining |
| 5 |  Essent Preorder Back in Stock | 2.58% | 0.19 | Declining |
| 6 |  PreOrder Globo | Back in Stock | 0.49% | 0.33 | Declining |
| 7 |  XFlow Back in Stock Alert | 0.22% | 0.01 | Climbing |
| 8 |  Preorder, Back in stock Duck | 0.12% | 0.04 | Climbing |
| 9 |  Bat Preorders | Preorder Now | 0.06% | 0.01 | Climbing |
| 10 |  Amp Back in Stock & Preorder + | 0.05% | 0.10 | Declining |
Showing 1-10 out of 26
Key Insights:
- Notify Me! Back in Stock Alert holds 46.1% share of stock alerts app installs — 22.5pp ahead of Back In Stock,Notify Me: Kbite (23.6%).
- Top 3 apps (Notify Me! Back in Stock Alert, Back In Stock,Notify Me: Kbite, Preorder, Back In Stock ‑ STOQ) account for 86.2% of all stock alerts install share — a concentrated market.
- Notify Me! Back in Stock Alert is gaining share fastest this month (+1.93pp) — the largest single gainer among the top stock alerts apps by share.
- Preorder, Back In Stock ‑ STOQ is losing share fastest (-1.02pp) — could indicate a churning user base or a stronger challenger gaining ground.
Stock Alerts Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 stock alerts 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 |
|---|---|---|---|---|---|---|
| Notify Me! Back in Stock Alert | 2.9% | 3.1%0.19 | 23.5%20.42 | 43.7%20.21 | 45.4%1.67 | 46.0%0.65 |
| Back In Stock,Notify Me: Kbite | 42.4% | 41.5%0.93 | 41.1%0.42 | 22.4%18.64 | 23.5%1.01 | 23.7%0.22 |
| Preorder, Back In Stock ‑ STOQ | 30.6% | 19.5%11.05 | 10.5%8.99 | 10.0%0.55 | 16.8%6.87 | 16.6%0.2 |
| REZ Preorder, Back In Stock | 17.9% | 30.5%12.57 | 20.9%9.61 | 19.7%1.23 | 10.4%9.31 | 10.0%0.32 |
| Essent Preorder Back in Stock | 4.8% | 4.1%0.68 | 2.9%1.23 | 2.8%0.11 | 2.6%0.16 | 2.6%0.02 |
Key Insights:
- Notify Me! Back in Stock Alert's share expanded from 2.9% → 46.0% over the charted period.
- Of the top 5 tracked stock alerts apps, 1 grew share and 4 lost share — leader is widening the gap.
Top Stock Alerts Shopify Apps by Country
Per-country market share rankings for stock alerts 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:
- Notify Me! Back in Stock Alert leads stock alerts apps in all 4 tracked markets — United States, India, China, United Kingdom.
⚠️ Data issue or feedback?
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Top 5 Apps in Stock Alerts
- Notify Me! Back in Stock Alert — Leads stock alerts apps with 46.0% install share, rated 4.9★ — gaining share this month.
- Back In Stock,Notify Me: Kbite — Holds 23.7% of stock alerts app install share, rated 5.0★ — gaining share this month.
- Preorder, Back In Stock ‑ STOQ — Holds 16.6% of stock alerts app install share, rated 5.0★ — losing share this month.
- REZ Preorder, Back In Stock — Holds 10.0% of stock alerts app install share, rated 5.0★ — losing share this month.
- Essent Preorder Back in Stock — Holds 2.6% of stock alerts app install share, rated 5.0★ — losing share this month.
Stock Alerts Shopify Apps — Frequently Asked Questions
1. Which stock alerts app has the highest market share on Shopify?
Notify Me! Back in Stock Alert dominates the stock alerts category on Shopify with 46.1% of installs — 22.5pp 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 stock alerts Shopify apps?
For stock alerts (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 stock alerts apps are gaining market share on Shopify?
Notify Me! Back in Stock Alert is gaining stock alerts app market share fastest this month, up +1.93pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which stock alerts apps are losing market share on Shopify?
Preorder, Back In Stock ‑ STOQ has lost the most market share this month among stock alerts apps (-1.02pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most stock alerts Shopify app installs?
United States drives the largest share of stock alerts app installs at 36.7%, followed by United Kingdom at 10.5% and Australia at 8.7%. Use the country picker on the third card to compare market leaders by country.
6. How many stock alerts apps does ShopDigest track on Shopify?
ShopDigest tracks 96 stock alerts apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
