Out Of Stock Shopify Apps – Reviews & Rating Trends
(Updated September 2026) Compare reviews and ratings for out of stock 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 out of stock apps.
Out Of Stock Shopify Apps — Full Reviews Table
All tracked out of stock 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 |
|---|---|---|
 Globo Product Options, Variant | 4,817156 | 4.9 |
 Back In Stock,Notify Me: Kbite | 3,904152 | 5.0 |
 Notify Me! Back in Stock Alert | 3,557161 | 4.9 |
 Preorder, Back In Stock ‑ STOQ | 3,512142 | 5.0 |
 Color Swatch King: Variants | 2,968105 | 5.0 |
 Easify Custom Product Options | 2,884150 | 4.9 |
 OPTIS Product Options, Variant | 2,26958 | 5.0 |
 Preorder Now Presale Timesact | 2,00434 | 5.0 |
 PreOrder Globo | Back in Stock | 1,84037 | 4.8 |
 GLO Color Swatch Variant Image | 1,72966 | 4.9 |
Showing 1-10 out of 94
Key Insights:
- Globo Product Options, Variant leads out of stock apps with 4,817 total reviews — 913 more than Back In Stock,Notify Me: Kbite (3,904).
- Top 3 apps (Globo Product Options, Variant, Back In Stock,Notify Me: Kbite, Notify Me! Back in Stock Alert) hold 41.6% of all reviews across the top 10 tracked out of stock apps.
- Notify Me! Back in Stock Alert is gaining reviews fastest this month (+161) — strong recent install momentum.
- 10 of 10 top-reviewed out of stock apps gained new reviews this period; 0 saw no net additions.
Out Of Stock Shopify Apps — Cumulative Review Trend
Monthly cumulative review count for the top 5 out of stock Shopify apps over the past year — a longitudinal view of which apps keep accumulating reviews and which have flattened.
Charts Data
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| Globo Product Options, Variant | 4,253230 | 4,461208 | 4,668207 | 4,831163 | 4,959128 | 5,061102 |
| Back In Stock,Notify Me: Kbite | 3,53690 | 3,644108 | 3,759115 | 3,915156 | 4,061146 | 4,172111 |
| Notify Me! Back in Stock Alert | 3,11183 | 3,242131 | 3,404162 | 3,569165 | 3,713144 | 3,80895 |
| Preorder, Back In Stock ‑ STOQ | 3,037149 | 3,213176 | 3,376163 | 3,516140 | 3,642126 | 3,74199 |
| Color Swatch King: Variants | 2,644104 | 2,756112 | 2,869113 | 2,977108 | 3,096119 | 3,15155 |
Key Insights:
- Globo Product Options, Variant's cumulative reviews grew from 1,891 to 5,061 over the charted period — 3,170 new reviews accumulated.
- Globo Product Options, Variant's 5,061 cumulative reviews sit 1.6× above Color Swatch King: Variants's 3,151 at the bottom of the plotted out of stock set — a wide spread between long-running leaders and newer entrants.
Fastest to 1,000 Reviews — Out Of Stock Shopify Apps
Race-style view of how the top 5 out of stock 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 |
|---|---|---|
| Back In Stock,Notify Me: Kbite | 35 | 3,934 |
| Preorder, Back In Stock ‑ STOQ | 38 | 3,554 |
| Globo Product Options, Variant | 40 | 4,860 |
| Notify Me! Back in Stock Alert | 46 | 3,619 |
| Color Swatch King: Variants | 66 | 2,883 |
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.
- All 5 apps in this set have crossed 1,000 reviews — months-to-1k ranges from 35 to 66, a 31-month spread.
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Most-Reviewed Out Of Stock Shopify Apps
Globo Product Options, Variant leads out of stock Shopify apps with 4,817 cumulative reviews and a 4.9★ average rating. Back In Stock,Notify Me: Kbite (3,904 reviews) and Notify Me! Back in Stock Alert (3,557 reviews) round out the top 3. Combined, the top 3 apps hold 41.6% of all reviews across the top tier — a fragmented review landscape with reviews spread broadly. Notable mover: Notify Me! Back in Stock Alert added the most new reviews this month (+161) — a strong recent install signal.
Out Of Stock reviews are spread broadly — Globo Product Options, Variant (4,817), Back In Stock,Notify Me: Kbite (3,904), and Notify Me! Back in Stock Alert (3,557) all carry meaningful review bases. With this distribution, review velocity and rating differentiate out of stock apps better than total reviews alone.
Out Of Stock Shopify Apps — Long-Term Review Trends
Globo Product Options, Variant accumulated 3,170 new reviews from Jan 2025 to Sep 2026, growing from 1,891 to 5,061 cumulative reviews — a steep addition rate for out of stock apps. Across the top 5 plotted out of stock 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.
Comparing out of stock apps on review trend slope rather than absolute count is the sharper signal — an app gaining reviews fast is winning current merchants, while Globo Product Options, Variant's 5,061 cumulative base reflects long-running adoption that may or may not still be translating to new installs.
Review Growth Velocity in Out Of Stock — 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 5 out of stock apps tracked here. Preorder, Back In Stock ‑ STOQ in 38 months, Globo Product Options, Variant in 40 months, Notify Me! Back in Stock Alert in 46 months, and Color Swatch King: Variants took 66 months to cross the same milestone, a 31-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 2,883 (Color Swatch King: Variants) to 4,860 (Globo Product Options, Variant) — a 1.7× difference, showing how far ahead the leader has continued to build past the milestone.
The 31-month gap between Back In Stock,Notify Me: Kbite's and Color Swatch King: Variants's time-to-1,000 highlights how unevenly product-market fit landed across this out of stock 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 Out Of Stock
- MB Push Down Hide Out of Stock — Has accumulated 153 reviews for out of stock at a 4.8★ average.
- Sink | Push Down Out of Stock — Has accumulated 36 reviews for out of stock at a 5.0★ average.
- Back In Stock,Notify Me: Kbite — Has accumulated 4,172 reviews for out of stock at a 5.0★ average.
- Nada • Hide Out of Stock — Has accumulated 26 reviews for out of stock at a 4.8★ average.
- Hide & Push Down Out of Stock — Has accumulated 15 reviews for out of stock at a 4.1★ average.
Out Of Stock Shopify Apps — Frequently Asked Questions
1. Which out of stock app has the most reviews on Shopify?
Globo Product Options, Variant has the most reviews among out of stock Shopify apps with 4,817 total reviews, ahead of Back In Stock,Notify Me: Kbite at 3,904. Sort the table by Reviews (High to Low) to see the full ranked list.
2. How are reviews used to measure out of stock 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 out of stock 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 out of stock app is gaining reviews fastest on Shopify?
Notify Me! Back in Stock Alert is gaining the most new reviews this month among out of stock apps, adding 161 reviews in the past 30 days. Switch the table sub-tab to "Review Changes" to see all apps ordered by review velocity.
4. Which out of stock 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 out of stock 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 out of stock Shopify apps?
The top 5 out of stock apps average 5.0★ across 18,850 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. Why does the most-reviewed out of stock app differ from the highest-share app on Shopify?
Globo Product Options, Variant has accumulated the most reviews over time (4,817), but Back In Stock,Notify Me: Kbite currently holds higher market share. Cumulative reviews reflect long-running merchant adoption, while market share is computed from recent review velocity — so a faster-ramping newer app can lead share before its cumulative reviews catch up.
7. How often are review counts for out of stock 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.
