(Updated September 2026) Compare reviews and ratings for call back 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 call back apps.
All tracked call back 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 |
|---|---|---|
12,510895 | 4.7 | |
3,904152 | 5.0 | |
3,557161 | 4.9 | |
3,512142 | 5.0 | |
2,399122 | 4.9 | |
1,84037 | 4.8 | |
1,4591 | 4.8 | |
1,364236 | 5.0 | |
1,20162 | 5.0 | |
1,16814 | 4.9 |
Key Insights:
Monthly cumulative review count for the top 5 call back Shopify apps over the past year — a longitudinal view of which apps keep accumulating reviews and which have flattened.
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
3,53690 | 3,644108 | 3,759115 | 3,915156 | 4,061146 | 4,180119 | |
3,11183 | 3,242131 | 3,404162 | 3,569165 | 3,713144 | 3,821108 | |
3,037149 | 3,213176 | 3,376163 | 3,516140 | 3,642126 | 3,746104 | |
1,597474 | 1,946349 | 2,284338 | 2,409125 | 2,547138 | 2,681134 | |
1,70546 | 1,75247 | 1,80351 | 1,84542 | 1,90863 | 1,93830 |
Key Insights:
Race-style view of how the top 5 call back 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.
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
15 | 2,428 | |
35 | 3,934 | |
38 | 3,554 | |
46 | 3,619 | |
51 | 13,535 |
Key Insights:
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Shopify Flow leads call back Shopify apps with 12,510 cumulative reviews and a 4.7★ 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 60.7% of all reviews across the top tier — a fragmented review landscape with reviews spread broadly. Notable mover: Shopify Flow added the most new reviews this month (+895) — a strong recent install signal.
Call Back reviews are spread broadly — Shopify Flow (12,510), 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 call back apps better than total reviews alone.
Back In Stock,Notify Me: Kbite accumulated 2,236 new reviews from Jan 2025 to Sep 2026, growing from 1,944 to 4,180 cumulative reviews — a steep addition rate for call back apps. Across the top 5 plotted call back 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 call back apps on review trend slope rather than absolute count is the sharper signal — an app gaining reviews fast is winning current merchants, while Back In Stock,Notify Me: Kbite's 4,180 cumulative base reflects long-running adoption that may or may not still be translating to new installs.
SEOLab: All in #1 SEO — AI SEO reached 1,000 reviews in 15 months since launch — the fastest ramp among the top 5 call back 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 Shopify Flow took 51 months to cross the same milestone, a 36-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 2,428 (SEOLab: All in #1 SEO — AI SEO) to 13,535 (Shopify Flow) — a 5.6× difference, showing how far ahead the leader has continued to build past the milestone.
The 36-month gap between SEOLab: All in #1 SEO — AI SEO's and Shopify Flow's time-to-1,000 highlights how unevenly product-market fit landed across this call back 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.
Shopify Flow has the most reviews among call back Shopify apps with 12,510 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.
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 call back 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.
Shopify Flow is gaining the most new reviews this month among call back apps, adding 895 reviews in the past 30 days. Switch the table sub-tab to "Review Changes" to see all apps ordered by review velocity.
SEOLab: All in #1 SEO — AI SEO hit 1,000 reviews in 15 months since launch — the fastest review ramp among tracked call back 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.).
The top 5 call back apps average 4.9★ across 27,070 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.
Shopify Flow has accumulated the most reviews over time (12,510), but Preorder, Back In Stock ‑ STOQ 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.
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.
Rankings and trends across every Shopify app, category, and keyword.