Shopify Flow vs Out Of Stock Alert Restock Lab
How Shopify Flow and Out Of Stock Alert Restock Lab compare on the Shopify App Store: rating, review count, pricing, the Built for Shopify badge, and where each one ranks in the store's organic search results. Every number is the App Store's own and is never edited.
Updated September 20, 2026 · App Store dataShopify Flow vs Out Of Stock Alert Restock Lab at a glance
As of September 20, 2026, Shopify Flow is rated 4.7 stars from 14,075 reviews and Out Of Stock Alert Restock Lab is rated 5.0 stars from 33 reviews on the Shopify App Store.
- Rating: Out Of Stock Alert Restock Lab has the higher rating, 5.0 stars against 4.7.
- Reviews: Shopify Flow has more reviews, 14,075 against 33.
- Pricing: Both list "Free".
| Fact |
Shopify Flow
|
Out Of Stock Alert Restock Lab
|
|---|---|---|
| Tagline | Automate everything and get back to business | Receive Low & Out-of-stock alerts via Slack, email & WhatsApp. |
| Rating | ★ 4.7 | ★ 5.0 |
| Reviews | 14,075 | 33 |
| Pricing | Free | Free |
| Built for Shopify | No badge | No badge |
| Data as of | September 20, 2026 | September 20, 2026 |
Ratings, review counts, pricing labels and badges are read from each app's Shopify App Store search result card. Rankings are the store's organic results for the searches Rankbase tracks; sponsored results are excluded.
Where each app ranks in App Store search
| App Store search |
Shopify Flow
|
Out Of Stock Alert Restock Lab
|
|---|---|---|
| Both apps rank · 1 search | ||
| Slack | #2 | #3 |
| Only Shopify Flow ranks · 31 searches | ||
| Automation | #1 | not in top 10 |
| Flo | #1 | not in top 10 |
| Flow | #1 | not in top 10 |
| Flows | #1 | not in top 10 |
| Workflow | #1 | not in top 10 |
| Zoho Flow | #1 | not in top 10 |
| Flow Border | #2 | not in top 10 |
| Flow Companion | #2 | not in top 10 |
| Flow Trigger Extensions | #2 | not in top 10 |
| Shopify F | #2 | not in top 10 |
| Shopify Fo | #2 | not in top 10 |
| Flow Mail | #3 | not in top 10 |
| Shopify In | #3 | not in top 10 |
| Shopify In Box | #3 | not in top 10 |
| Shopify Inb | #3 | not in top 10 |
| Dropify Pro | #4 | not in top 10 |
| What Flow | #4 | not in top 10 |
| API | #5 | not in top 10 |
| Copify | #5 | not in top 10 |
| Google Sheet | #5 | not in top 10 |
| Google Sheets | #5 | not in top 10 |
| Sheets | #6 | not in top 10 |
| Digital Downloads By | #7 | not in top 10 |
| Drip | #7 | not in top 10 |
| Dropify | #7 | not in top 10 |
| Shoplift | #7 | not in top 10 |
| Dropifi | #8 | not in top 10 |
| Dropif | #9 | not in top 10 |
| Emails | #9 | not in top 10 |
| Newsletter | #10 | not in top 10 |
| Spotify | #10 | not in top 10 |
| Only Out Of Stock Alert Restock Lab ranks · 1 search | ||
| Restock | not in top 10 | #9 |
In the App Store's organic search results, Shopify Flow ranks in the top 10 for 32 of the 3,617 searches we track and Out Of Stock Alert Restock Lab for 2. They share one search, "slack", where Shopify Flow ranks #2 and Out Of Stock Alert Restock Lab #3.
Frequently asked questions
Is Shopify Flow or Out Of Stock Alert Restock Lab rated higher on the Shopify App Store?
Out Of Stock Alert Restock Lab has the higher rating, 5.0 stars against 4.7. Shopify Flow has more reviews, 14,075 against 33.
Which has more reviews, Shopify Flow or Out Of Stock Alert Restock Lab?
Shopify Flow has more reviews, 14,075 against 33.
Which ranks higher in Shopify App Store search, Shopify Flow or Out Of Stock Alert Restock Lab?
In the App Store's organic search results, Shopify Flow ranks in the top 10 for 32 of the 3,617 searches we track and Out Of Stock Alert Restock Lab for 2. They share one search, "slack", where Shopify Flow ranks #2 and Out Of Stock Alert Restock Lab #3.
How is this comparison made?
Rankbase records the organic results merchants see when they search the Shopify App Store for 3,617 popular keywords, refreshed daily for published rankings and at least weekly for the rest. Each app's rating, review count, pricing label and Built for Shopify badge are taken from its App Store search result card, so they are exactly what merchants see; the date next to each app is the last time it appeared in any tracked top 10. Sponsored results are excluded, and nothing on this page is edited by hand, including for Rankbase's own apps.
More comparisons
Shopify Flow against other apps
Out Of Stock Alert Restock Lab against other apps
Rankbase paired these two apps on September 17, 2026, when both ranked in the top 3 for "slack". The page stays as long as either app keeps ranking or the comparison keeps being read, and every number on it is refreshed from the App Store.
Rank higher on the Shopify App Store
Rankbase helps Shopify app developers track keyword positions, analyze install click data, and optimize app listings to rank higher in the Shopify App Store.
Explore Rankbase →Built by Craftshift
Rankbase is made by Craftshift, a Shopify Partner building apps for product images, variants, and bulk catalog work. We built Rankbase to track the App Store rankings of our own apps first, then opened it to other developers, and this directory grew out of that work. The rankings on these pages are Shopify's own organic search results; we never edit them, including for our own apps.
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