Custom Alerts Shopify Apps – Reviews & Rating Trends
(Updated October 2026) Compare reviews and ratings for custom alerts Shopify apps and see which apps are gaining the most install momentum. Review counts are the closest proxy to actual installs — Shopify doesn't publish install numbers — so review velocity is one of the strongest signals of merchant adoption for custom alerts apps.
Custom Alerts Shopify Apps — Full Reviews Table
All tracked custom alerts Shopify apps ranked by total review count, with new reviews gained vs 30 days ago and average rating. Filter by country and date range; sort by reviews or review velocity.
| App | Reviews | Rating |
|---|---|---|
 Back In Stock,Notify Me: Kbite | 3,890159 | 5.0 |
 Notify Me! Back in Stock Alert | 3,546165 | 4.9 |
 Preorder, Back In Stock ‑ STOQ | 3,499143 | 5.0 |
 PreOrder Globo | Back in Stock | 1,82039 | 4.8 |
 REZ Preorder, Back In Stock | 1,366247 | 5.0 |
 Essent Preorder Back in Stock | 1,18764 | 5.0 |
 CWILL Back in Stock Notify Me! | 6036 | 4.9 |
 Preorder, Back in stock Duck | 47715 | 5.0 |
 Chargeflow Prevent Chargebacks | 4008 | 4.8 |
 Easyteam POS Time Clock In | 3056 | 4.9 |
Showing 1-10 out of 88
Key Insights:
- Back In Stock,Notify Me: Kbite leads custom alerts apps with 3,890 total reviews — 344 more than Notify Me! Back in Stock Alert (3,546).
- Top 3 apps (Back In Stock,Notify Me: Kbite, Notify Me! Back in Stock Alert, Preorder, Back In Stock ‑ STOQ) hold 64.0% of all reviews across the top 10 tracked custom alerts apps.
- REZ Preorder, Back In Stock is gaining reviews fastest this month (+247) — strong recent install momentum.
- 10 of 10 top-reviewed custom alerts apps gained new reviews this period; 0 saw no net additions.
Custom Alerts Shopify Apps — Cumulative Review Trend
Monthly cumulative review count for the top 5 custom alerts Shopify apps over the past year — a longitudinal view of which apps keep accumulating reviews and which have flattened.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Back In Stock,Notify Me: Kbite | 3,622107 | 3,738116 | 3,901163 | 4,057156 | 4,207150 | 4,22316 |
| Notify Me! Back in Stock Alert | 3,227130 | 3,389162 | 3,561172 | 3,715154 | 3,844129 | 3,87127 |
| Preorder, Back In Stock ‑ STOQ | 3,198175 | 3,362164 | 3,503141 | 3,630127 | 3,755125 | 3,77419 |
| PreOrder Globo | Back in Stock | 1,72847 | 1,78153 | 1,82544 | 1,88661 | 1,93448 | 1,9384 |
| REZ Preorder, Back In Stock | 930145 | 1,129199 | 1,385256 | 1,504119 | 1,57167 | 1,5787 |
Key Insights:
- Back In Stock,Notify Me: Kbite's cumulative reviews grew from 1,931 to 4,223 over the charted period — 2,292 new reviews accumulated.
- Back In Stock,Notify Me: Kbite's 4,223 cumulative reviews sit 2.7× above REZ Preorder, Back In Stock's 1,578 at the bottom of the plotted custom alerts set — a wide spread between long-running leaders and newer entrants.
- Back In Stock,Notify Me: Kbite's cumulative review lead compounds over time — an established review base acts as a trust signal for merchants comparing apps, and continued adoption keeps the review count climbing, a flywheel newcomers struggle to interrupt.
Fastest to 1,000 Reviews — Custom Alerts Shopify Apps
Race-style view of how the top 5 custom alerts Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis. Adjust the milestone or app set with the filters above.
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 |
| PreOrder Globo | Back in Stock | 76 | 1,936 |
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.
- All 5 apps in this set have crossed 1,000 reviews — months-to-1k ranges from 13 to 76, a 63-month spread.
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Most-Reviewed Custom Alerts Shopify Apps
Back In Stock,Notify Me: Kbite leads custom alerts Shopify apps with 3,890 cumulative reviews and a 5.0★ average rating. Notify Me! Back in Stock Alert (3,546 reviews) and Preorder, Back In Stock ‑ STOQ (3,499 reviews) round out the top 3. Combined, the top 3 apps hold 64.0% of all reviews across the top tier — a tight oligopoly where the leader's review flywheel is hard to break. Notable mover: REZ Preorder, Back In Stock added the most new reviews this month (+247) — a strong recent install signal.
Back In Stock,Notify Me: Kbite's 3,890-review base reflects long-running merchant adoption in custom alerts — a tenure signal for merchants who weight track record alongside current fit. Notify Me! Back in Stock Alert (3,546 reviews) and the rest of the top tier carry meaningful adoption too, and feature scope, support, and current trajectory often matter more than raw review totals when choosing between established options.
Custom Alerts Shopify Apps — Long-Term Review Trends
Back In Stock,Notify Me: Kbite accumulated 2,292 new reviews from Jan 2025 to Oct 2026, growing from 1,931 to 4,223 cumulative reviews — a steep addition rate for custom alerts apps. Across the top 5 plotted custom alerts apps, the steepest ongoing slopes mark the ones still actively winning new merchants — absolute review counts matter less than recent acceleration when picking apps in a category that's still growing.
Back In Stock,Notify Me: Kbite's lead in cumulative reviews compounds in concentrated custom alerts categories: more reviews lift App Store rank, which drives more installs, which add more reviews — newcomers face a steep curve to catch up to the 4,223 cumulative base.
Review Growth Velocity in Custom Alerts — 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 custom alerts apps tracked here. Back In Stock,Notify Me: Kbite in 35 months, Preorder, Back In Stock ‑ STOQ in 38 months, Notify Me! Back in Stock Alert in 46 months, and PreOrder Globo | Back in Stock took 76 months to cross the same milestone, a 63-month spread between the fastest and slowest in the set.
All 5 apps in this set have crossed 1,000 reviews, with current cumulative counts now ranging from 1,562 (REZ Preorder, Back In Stock) to 4,210 (Back In Stock,Notify Me: Kbite) — a 2.7× difference, showing how far ahead the leader has continued to build past the milestone.
The 63-month gap between REZ Preorder, Back In Stock's and PreOrder Globo | Back in Stock's time-to-1,000 highlights how unevenly product-market fit landed across this custom alerts 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 Custom Alerts
- Preorder, Back In Stock ‑ STOQ — Has accumulated 3,774 reviews for custom alerts at a 5.0★ average.
- Back In Stock,Notify Me: Kbite — Has accumulated 4,223 reviews for custom alerts at a 5.0★ average.
- Notify Me! Back in Stock Alert — Has accumulated 3,871 reviews for custom alerts at a 4.9★ average.
- REZ Preorder, Back In Stock — Has accumulated 1,578 reviews for custom alerts at a 5.0★ average.
- PreOrder Globo | Back in Stock — Has accumulated 1,938 reviews for custom alerts at a 4.9★ average.
Custom Alerts Shopify Apps — Frequently Asked Questions
1. Which custom alerts app has the most reviews on Shopify?
Back In Stock,Notify Me: Kbite has the most reviews among custom alerts Shopify apps with 3,890 total reviews, ahead of Notify Me! Back in Stock Alert at 3,546. Sort the table by Reviews (High to Low) to see the full ranked list.
2. How are reviews used to measure custom alerts app popularity on Shopify?
Reviews are the closest publicly available proxy for install volume on Shopify — Shopify doesn't publish install counts, so cumulative reviews and review velocity are the standard way to measure adoption. For custom alerts apps, this page shows total reviews, new reviews per month, and time-to-1,000 reviews so you can compare both established scale and current momentum.
3. Which custom alerts app is gaining reviews fastest on Shopify?
REZ Preorder, Back In Stock is gaining the most new reviews this month among custom alerts apps, adding 247 reviews in the past 30 days. Switch the table sub-tab to "Review Changes" to see all apps ordered by review velocity.
4. Which custom alerts 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 custom alerts Shopify apps. Use the "Fastest to 1,000 Reviews" chart above to compare against other apps or change the milestone (5,000, 10,000, etc.).
5. What is the average rating for top custom alerts Shopify apps?
The top 5 custom alerts apps average 5.0★ across 15,305 combined reviews — a strong overall quality benchmark. Individual ratings appear in the table above; sort by Reviews to see how rating varies across the most-installed apps.
6. How often are review counts for custom alerts apps updated on Shopify?
Review counts and rating data refresh weekly on this page. The Reviews Trend chart aggregates monthly intervals by default — switch to weekly granularity for shorter-term signals or yearly for macro trends.
