SMART Preorder & Back in stock vs Payflow

How SMART Preorder & Back in stock and Payflow 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 November 6, 2026 · App Store data

Maintained by Rankbase, built by a Shopify app developer

SMART Preorder & Back in stock vs Payflow at a glance

As of November 6, 2026, SMART Preorder & Back in stock is rated 5.0 stars from 625 reviews and Payflow is rated 5.0 stars from 118 reviews on the Shopify App Store.

Rating: Both are rated 5.0 stars.
Reviews: SMART Preorder & Back in stock has more reviews, 625 against 118.
Pricing: SMART Preorder & Back in stock lists "Free", Payflow "Free plan available".
Built for Shopify: Both carry the Built for Shopify badge.

SMART Preorder & Back in stock and Payflow on the Shopify App Store, as of November 6, 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	SMART Preorder & Back in stock	Payflow
Tagline	Sell when sold out: preorders, deposits & back in stock alerts	COD fees, payment and delivery rules with checkout validations
Rating	★ 5.0	★ 5.0
Reviews	625	118
Pricing	Free	Free plan available
Built for Shopify	Built for Shopify	Built for Shopify
Data as of	October 23, 2026	November 6, 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 SMART Preorder & Back in stock or Payflow is in the top 10 today, with the position merchants see. Organic results only, across 3,976 tracked searches; sponsored placements never count.
App Store search	SMART Preorder & Back in stock	Payflow
Only Payflow ranks · 49 searches
Contra Entrega	not in top 10	#1
Payflex	not in top 10	#1
Payflow	not in top 10	#1
Reglas De Pago	not in top 10	#1
Easyflow	not in top 10	#2
Kwik COD & Checkout	not in top 10	#2
Razorpay COD & Magic Checkout	not in top 10	#2
Checkout Rules	not in top 10	#3
Express Checkout	not in top 10	#3
Priya COD	not in top 10	#3
Checkout Validation	not in top 10	#4
COD Fee	not in top 10	#4
Contrassegno	not in top 10	#4
Pay Later	not in top 10	#4
Smart Checkout Rules	not in top 10	#4
Anygift	not in top 10	#5
COD	not in top 10	#5
Kwik COD	not in top 10	#5
Realisit COD	not in top 10	#5
Realist COD	not in top 10	#5
Release It COD	not in top 10	#5
COD Saver	not in top 10	#6
Delivery Customizations	not in top 10	#6
Gokwik COD	not in top 10	#6
Realiset COD	not in top 10	#6
Realistic COD	not in top 10	#6
COD Facile	not in top 10	#7
Formulario COD	not in top 10	#7
Payoneer Checkout	not in top 10	#7
Relasit COD	not in top 10	#7
Releaseit COD	not in top 10	#7
Releasid COD	not in top 10	#7
Checkout Ampliado	not in top 10	#8
Checkout Champ	not in top 10	#8
Checkout Transparente	not in top 10	#8
COD From	not in top 10	#8
COD King	not in top 10	#8
Easy COD	not in top 10	#8
Easysell COD	not in top 10	#8
Payment Customization	not in top 10	#8
COD Guard	not in top 10	#9
Easy Sell COD	not in top 10	#9
Release It COD And Upsells	not in top 10	#9
Releasit COD From	not in top 10	#9
Fee	not in top 10	#10
Fees	not in top 10	#10
Lead From COD	not in top 10	#10
Livraison	not in top 10	#10
Payment Rules	not in top 10	#10

In the App Store's organic search results, SMART Preorder & Back in stock ranks in the top 10 for none of the 3,976 searches we track and Payflow for 49. They do not currently share a top-10 result. They last ranked together for "payment rules" on October 23, 2026.

Frequently asked questions

Is SMART Preorder & Back in stock or Payflow rated higher on the Shopify App Store?

Both are rated 5.0 stars. SMART Preorder & Back in stock has more reviews, 625 against 118.

Which has more reviews, SMART Preorder & Back in stock or Payflow?

SMART Preorder & Back in stock has more reviews, 625 against 118.

Which ranks higher in Shopify App Store search, SMART Preorder & Back in stock or Payflow?

How is this comparison made?

Rankbase records the organic results merchants see when they search the Shopify App Store for 3,976 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

SMART Preorder & Back in stock against other apps

Payflow against other apps

Rankbase paired these two apps on September 18, 2026, when both ranked in the top 3 for "reglas de pago". 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, bulk catalog work, and AI search visibility. 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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