Back-In-Stock Alerts Shopify Apps – Analytics & Insights
(Updated October 2026) Track the top back-in-stock alerts 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 Back-In-Stock Alerts Shopify Apps Ranked Today
Top 10 back-in-stock alerts Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market Share | Reviews |
|---|---|---|---|
 Notify Me! Back in Stock Alert | 1 | 49.28% 4.87 | 3,849 122 |
 Preorder, Back In Stock ‑ STOQ | 2 2 | 28.81% 18.54 | 3,770 115 |
 Back In Stock,Notify Me: Kbite | 3 1 | 15.74% 7.23 | 4,199 120 |
 XFlow Back in Stock Alert | 4 1 | 0.64% 0.23 | 66 7 |
 Back in Stock Alert & Preorder | 5 7 | 0.00% | 0 0 |
 REZ Preorder, Back In Stock | 6 3 | 4.20% 15.76 | 1,562 59 |
 Essent Preorder Back in Stock | 7 1 | 0.93% 0.51 | 1,292 41 |
 Bat Preorders | Preorder Now | 8 2 | 0.15% 0.07 | 276 9 |
 Back In Stock Alert‑ Notify Me | 9 2 | 0.00% | 0 0 |
 Back In Stock! Alert Engine | 10 3 | 0.00% 0.02 | 23 0 |
Key Insights:
- Notify Me! Back in Stock Alert commands 49.3% market share, 20.5pp ahead of Preorder, Back In Stock ‑ STOQ — a concentrated back-in-stock alerts category.
- In the last 30 days, 5 apps climbed and 4 dropped in ranking among the top 10 tracked back-in-stock alerts apps.
- Notify Me! Back in Stock Alert added the most new reviews this month (+122) — strong adoption momentum.
Live Ranking and Market Share Trends for Back-In-Stock Alerts Shopify Apps
Monthly ranking and market share trends for the top 5 back-in-stock alerts 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 |
|---|---|---|---|---|---|---|
| Notify Me! Back in Stock Alert | #19 | #223 | #121 | #1 | #1 | — |
| Preorder, Back In Stock ‑ STOQ | #1 | #43 | #51 | #41 | #22 | — |
| Back In Stock,Notify Me: Kbite | #2 | #11 | #32 | #21 | #31 | — |
| XFlow Back in Stock Alert | #5 | #32 | #41 | #51 | #41 | — |
| Back in Stock Alert & Preorder | #30 | #322 | #284 | #1216 | #57 | — |
Key Insights:
- Notify Me! Back in Stock Alert's ranking improved from #19 to #1 over the charted period.
- 3 of 5 top back-in-stock alerts apps improved their position; 2 declined — a mixed picture.
- Notify Me! Back in Stock Alert's market share is 49.3% — gaining +49.1pp since the start of the chart.
Back-In-Stock Alerts Shopify Apps — Market Share by Country
Top 5 countries driving installs for back-in-stock alerts Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market Share | Change |
|---|---|---|
 United States | 37.7% | 0.97 |
 United Kingdom | 10.1% | 0.34 |
 Australia | 9.2% | 1.31 |
 Canada | 5.4% | 0.24 |
 Germany | 3.7% | 0.45 |
Key Insights:
- United States accounts for 37.7% of back-in-stock alerts app installs — the single largest market.
- Top 3 markets (United States, United Kingdom, Australia) collectively cover 57.0% of all tracked back-in-stock alerts installs — highly concentrated demand.
- Australia is the fastest-growing market this month (+1.3pp) — emerging demand worth watching.
Fastest to 1,000 Reviews — Back-In-Stock Alerts Shopify Apps
Race-style view of how the top 4 back-in-stock alerts 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 |
|---|---|---|
| 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 |
| XFlow Back in Stock Alert | Not yet reached | 66 |
Key Insights:
- Back In Stock,Notify Me: Kbite reached 1,000 reviews fastest — in 35 months since launch.
- Preorder, Back In Stock ‑ STOQ crossed 1,000 reviews in 38 months — 3 months behind Back In Stock,Notify Me: Kbite.
- XFlow Back in Stock Alert is still building toward 1,000 reviews — currently at 66 cumulative.
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Top Back-In-Stock Alerts Shopify Apps Ranked by Position
Notify Me! Back in Stock Alert dominates back-in-stock alerts with 49.3% market share — a clear category leader Shopify merchants gravitate to first, 20.5pp ahead of Preorder, Back In Stock ‑ STOQ (28.8%). Back In Stock,Notify Me: Kbite sits at #3 with 15.7% share, rounding out the top tier. Together, the top 3 apps absorb 93.8% of all back-in-stock alerts installs — a highly concentrated landscape with limited room for new entrants. Back in Stock Alert & Preorder is the standout mover this month, climbing 7 positions — a momentum signal worth tracking.
Notify Me! Back in Stock Alert's 49.3% share looks dominant, but REZ Preorder, Back In Stock slipped 3 positions this month and the rest of the top 5 has reshuffled. Back-In-Stock Alerts apps are settled at the top and contested below — for merchants whose needs aren't a perfect Notify Me! Back in Stock Alert fit, the #2–#5 apps often surface better niche options.
Live Ranking and Market Share Trends Across Back-In-Stock Alerts Shopify Apps
Notify Me! Back in Stock Alert climbed from #19 (May 2026) to #1 (Sep 2026) — a 18-position gain among back-in-stock alerts apps over the charted window. Across the top 5 plotted back-in-stock alerts apps, 3 improved their ranking while 2 declined — the category is moving upward overall. Notify Me! Back in Stock Alert's share expanded +49.1pp from 0.2% (May 2026) to 49.3% (Oct 2026) — a sustained widening of the gap against other back-in-stock alerts apps over this window.
A 18-position move for the leader over the charted back-in-stock alerts window is large enough to reflect real merchant adoption shifts, not just App Store noise — Notify Me! Back in Stock Alert's climb as of Sep 2026 is the strongest trajectory signal in this chart.
Review Growth Velocity in Back-In-Stock Alerts — Which Apps Grew Fastest
Back In Stock,Notify Me: Kbite reached 1,000 reviews in 35 months since launch — the fastest ramp among the top 4 back-in-stock alerts apps tracked here. Preorder, Back In Stock ‑ STOQ in 38 months, and Notify Me! Back in Stock Alert took 46 months to cross the same milestone, a 11-month spread between the fastest and slowest in the set.
1 app on this chart hasn't yet crossed 1,000 reviews: XFlow Back in Stock Alert at 66 cumulative reviews. XFlow Back in Stock Alert is closest to the milestone — its current count puts it roughly 7% of the way to 1,000.
Back In Stock,Notify Me: Kbite and Notify Me! Back in Stock Alert reached 1,000 reviews within 11 months of each other — a tight cluster suggesting the top back-in-stock alerts apps had similarly strong early adoption curves. Merchants picking among these are choosing between apps that all earned merchant trust at a comparable pace.
Top 5 Apps in Back-In-Stock Alerts
- Notify Me! Back in Stock Alert — Category leader for back-in-stock alerts with 49.3% market share and 4.9★.
- Preorder, Back In Stock ‑ STOQ — Climbed 2 positions this month to rank #2 — 28.8% share, 5.0★.
- Back In Stock,Notify Me: Kbite — Currently ranked #3 with 15.7% market share and 5.0★.
- XFlow Back in Stock Alert — Climbed 1 position this month to rank #4 — 0.6% share, 5.0★.
- Back in Stock Alert & Preorder — Climbed 7 positions this month to rank #5 — 0 share, 5.0★.
Back-In-Stock Alerts Shopify Apps — Frequently Asked Questions
1. What is the best back-in-stock alerts app on Shopify?
Notify Me! Back in Stock Alert is the leading back-in-stock alerts app on Shopify, holding 49.3% of category market share with 3,849 reviews — a clear default for most merchants.
2. Which back-in-stock alerts app has the highest market share on Shopify?
Notify Me! Back in Stock Alert holds the highest market share among back-in-stock alerts apps at 49.3% (+4.87pp 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 back-in-stock alerts apps are tracked on Shopify?
ShopDigest tracks 96 back-in-stock alerts apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which back-in-stock alerts app is growing the fastest on Shopify?
Back in Stock Alert & Preorder has shown the strongest ranking momentum, climbing 7 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are back-in-stock alerts apps most popular on Shopify?
United States has the highest concentration of back-in-stock alerts app installs at 37.7%, followed by United Kingdom at 10.1%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for back-in-stock alerts 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 back-in-stock alerts app reached 1,000 reviews fastest on Shopify?
Back In Stock,Notify Me: Kbite hit 1,000 reviews in 35 months since launch — the fastest review ramp among tracked back-in-stock alerts Shopify apps. See the Review Champions chart above for the full race.
