Back In Stock,Notify Me vs PostPilot Direct Mail Platform

How Back In Stock,Notify Me and PostPilot Direct Mail Platform 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 8, 2026 · App Store data

Maintained by Rankbase, built by a Shopify app developer

Back In Stock,Notify Me vs PostPilot Direct Mail Platform at a glance

As of September 8, 2026, Back In Stock,Notify Me is rated 5.0 stars from 4,092 reviews and PostPilot Direct Mail Platform is rated 4.9 stars from 172 reviews on the Shopify App Store.

Rating: Back In Stock,Notify Me has the higher rating, 5.0 stars against 4.9.
Reviews: Back In Stock,Notify Me has more reviews, 4,092 against 172.
Pricing: Back In Stock,Notify Me lists "Free plan available", PostPilot Direct Mail Platform "Free to install".
Built for Shopify: Only Back In Stock,Notify Me carries the Built for Shopify badge.

Back In Stock,Notify Me and PostPilot Direct Mail Platform on the Shopify App Store, as of September 8, 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	Back In Stock,Notify Me	PostPilot Direct Mail Platform
Tagline	Back in Stock alert & Restock alert for Out-of-Stock Waitlists	Send personalized, profitable postcards & handwritten cards
Rating	★ 5.0	★ 4.9
Reviews	4,092	172
Pricing	Free plan available	Free to install
Built for Shopify	Built for Shopify	No badge
Data as of	September 8, 2026	September 8, 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 Back In Stock,Notify Me or PostPilot Direct Mail Platform is in the top 10 today, with the position merchants see. Organic results only, across 3,620 tracked searches; sponsored placements never count.
App Store search	Back In Stock,Notify Me	PostPilot Direct Mail Platform
Both apps rank · 1 search
Mail	#3	#2
Only Back In Stock,Notify Me ranks · 39 searches
Back In Stock	#1	not in top 10
Kbite	#1	not in top 10
Restock	#1	not in top 10
Restock Alert	#1	not in top 10
Stock	#1	not in top 10
Stockful	#1	not in top 10
Voorraad	#1	not in top 10
Back In Stock Alert	#2	not in top 10
Delete Me	#2	not in top 10
Notify	#2	not in top 10
Notify Me	#2	not in top 10
Quotify	#2	not in top 10
Retour	#2	not in top 10
SMS Alert	#2	not in top 10
Waitlist	#2	not in top 10
Alert Me	#3	not in top 10
Out Of Stock	#3	not in top 10
Pagar.me	#3	not in top 10
Producto	#3	not in top 10
Boxify	#4	not in top 10
Fontify	#4	not in top 10
Poptin	#4	not in top 10
Baback	#5	not in top 10
Mbe	#5	not in top 10
Rep AI	#5	not in top 10
Judge Me Reviews	#6	not in top 10
Productos	#6	not in top 10
Template	#6	not in top 10
Ins	#7	not in top 10
Poky	#7	not in top 10
Templates	#7	not in top 10
Tra	#7	not in top 10
Seur	#8	not in top 10
Candy Rack	#9	not in top 10
Codify	#9	not in top 10
Judge Me	#9	not in top 10
Odoo	#9	not in top 10
Copify	#10	not in top 10
Stocado	#10	not in top 10
Only PostPilot Direct Mail Platform ranks · 3 searches
Shukan Mall	not in top 10	#6
Main Menu	not in top 10	#9
Hyper	not in top 10	#10

In the App Store's organic search results, Back In Stock,Notify Me ranks in the top 10 for 40 of the 3,620 searches we track and PostPilot Direct Mail Platform for 4. They share one search, "mail", where PostPilot Direct Mail Platform ranks #2 and Back In Stock,Notify Me #3.

Frequently asked questions

Is Back In Stock,Notify Me or PostPilot Direct Mail Platform rated higher on the Shopify App Store?

Back In Stock,Notify Me has the higher rating, 5.0 stars against 4.9. Back In Stock,Notify Me has more reviews, 4,092 against 172.

Which has more reviews, Back In Stock,Notify Me or PostPilot Direct Mail Platform?

Back In Stock,Notify Me has more reviews, 4,092 against 172.

Which ranks higher in Shopify App Store search, Back In Stock,Notify Me or PostPilot Direct Mail Platform?

How is this comparison made?

Rankbase records the organic results merchants see when they search the Shopify App Store for 3,620 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

Back In Stock,Notify Me against other apps

PostPilot Direct Mail Platform against other apps

FlowSend vs PostPilot Direct Mail Platform

Rankbase paired these two apps on September 8, 2026, when both ranked in the top 3 for "mail". 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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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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