Out Of Stock Alert Restock Lab vs SmartNotify for Slack

Out Of Stock Alert Restock Lab logo Out Of Stock Alert Restock Lab vs SmartNotify for Slack logo SmartNotify for Slack

How Out Of Stock Alert Restock Lab and SmartNotify for Slack 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 data

Maintained by Rankbase, built by a Shopify app developer

Out Of Stock Alert Restock Lab vs SmartNotify for Slack at a glance

As of September 20, 2026, Out Of Stock Alert Restock Lab is rated 5.0 stars from 33 reviews and SmartNotify for Slack is rated 5.0 stars from 2 reviews on the Shopify App Store.

  • Rating: Both are rated 5.0 stars.
  • Reviews: Out Of Stock Alert Restock Lab has more reviews, 33 against 2.
  • Pricing: Out Of Stock Alert Restock Lab lists "Free", SmartNotify for Slack "Free trial available".
Out Of Stock Alert Restock Lab and SmartNotify for Slack on the Shopify App Store, as of September 20, 2026: rating, review count, pricing label, the Built for Shopify badge, and the date each app's data was last read from the store.
Fact Out Of Stock Alert Restock Lab SmartNotify for Slack
Tagline Receive Low & Out-of-stock alerts via Slack, email & WhatsApp. Get order, product, and customer notifications right in Slack
Rating ★ 5.0 ★ 5.0
Reviews 33 2
Pricing Free Free trial available
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

Every Shopify App Store search Rankbase tracks where Out Of Stock Alert Restock Lab or SmartNotify for Slack is in the top 10 today, with the position merchants see. Organic results only, across 3,617 tracked searches; sponsored placements never count.
App Store search Out Of Stock Alert Restock Lab SmartNotify for Slack
Both apps rank · 1 search
Slack #3 #1
Only Out Of Stock Alert Restock Lab ranks · 1 search
Restock #9 not in top 10

In the App Store's organic search results, Out Of Stock Alert Restock Lab ranks in the top 10 for 2 of the 3,617 searches we track and SmartNotify for Slack for 1. They share one search, "slack", where SmartNotify for Slack ranks #1 and Out Of Stock Alert Restock Lab #3.

Frequently asked questions

Is Out Of Stock Alert Restock Lab or SmartNotify for Slack rated higher on the Shopify App Store?

Both are rated 5.0 stars. Out Of Stock Alert Restock Lab has more reviews, 33 against 2.

Which has more reviews, Out Of Stock Alert Restock Lab or SmartNotify for Slack?

Out Of Stock Alert Restock Lab has more reviews, 33 against 2.

Which ranks higher in Shopify App Store search, Out Of Stock Alert Restock Lab or SmartNotify for Slack?

In the App Store's organic search results, Out Of Stock Alert Restock Lab ranks in the top 10 for 2 of the 3,617 searches we track and SmartNotify for Slack for 1. They share one search, "slack", where SmartNotify for Slack ranks #1 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

Out Of Stock Alert Restock Lab against other apps

SmartNotify for Slack 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.

All app comparisons →   ·   Browse keyword rankings →

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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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