Blockify Checkout Customizer vs SMART Preorder & Back in stock
How Blockify Checkout Customizer and SMART Preorder & Back in stock 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 October 23, 2026 · App Store dataBlockify Checkout Customizer vs SMART Preorder & Back in stock at a glance
As of October 23, 2026, Blockify Checkout Customizer is rated 4.9 stars from 312 reviews and SMART Preorder & Back in stock is rated 5.0 stars from 625 reviews on the Shopify App Store.
- Rating: SMART Preorder & Back in stock has the higher rating, 5.0 stars against 4.9.
- Reviews: SMART Preorder & Back in stock has more reviews, 625 against 312.
- Pricing: Blockify Checkout Customizer lists "Free plan available", SMART Preorder & Back in stock "Free".
- Built for Shopify: Both carry the Built for Shopify badge.
| Fact |
Blockify Checkout Customizer
|
SMART Preorder & Back in stock
|
|---|---|---|
| Tagline | Checkout rules, checkout customizer and discounts to boost AOV | Sell when sold out: preorders, deposits & back in stock alerts |
| Rating | ★ 4.9 | ★ 5.0 |
| Reviews | 312 | 625 |
| Pricing | Free plan available | Free |
| Built for Shopify | Built for Shopify | Built for Shopify |
| Data as of | October 23, 2026 | October 23, 2026 |
Built for ShopifyRatings, 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 |
Blockify Checkout Customizer
|
SMART Preorder & Back in stock
|
|---|---|---|
| Only Blockify Checkout Customizer ranks · 42 searches | ||
| Checkout Customization | #1 | not in top 10 |
| Checkout Customizer | #1 | not in top 10 |
| Checkout Extensibility | #1 | not in top 10 |
| Pantalla De Pago | #1 | not in top 10 |
| Personnalisation | #1 | not in top 10 |
| Blockify | #2 | not in top 10 |
| Checkout | #2 | not in top 10 |
| Checkout Ampliado | #2 | not in top 10 |
| Checkout Champ | #2 | not in top 10 |
| Checkout Page | #2 | not in top 10 |
| Checkout Form | #3 | not in top 10 |
| Checkout Ninja | #3 | not in top 10 |
| Checkout Transparente | #3 | not in top 10 |
| Custlo | #3 | not in top 10 |
| Recustomer | #3 | not in top 10 |
| Blockify Fraud Filter | #4 | not in top 10 |
| Custom Cat | #4 | not in top 10 |
| Fastrr Checkout | #4 | not in top 10 |
| Checkout Pro | #5 | not in top 10 |
| Kwik Checkout | #5 | not in top 10 |
| Payoneer Checkout | #5 | not in top 10 |
| Checkout Mercado Pago | #6 | not in top 10 |
| Checkout Transparente Mercado Pago | #6 | not in top 10 |
| Magic Checkout | #6 | not in top 10 |
| Mercado Pago Checkout Transparente | #6 | not in top 10 |
| Rabatt | #6 | not in top 10 |
| Checkout Block | #7 | not in top 10 |
| Checkout Blocks | #7 | not in top 10 |
| Checkout Rules | #7 | not in top 10 |
| Gokwik Checkout | #7 | not in top 10 |
| Max | #7 | not in top 10 |
| Mercado Pago Checkout | #7 | not in top 10 |
| Mercado Pago Checkout Pro | #7 | not in top 10 |
| Shiprocket Checkout | #7 | not in top 10 |
| Block Customer | #8 | not in top 10 |
| Bold Custom Pricing | #8 | not in top 10 |
| Paypal Checkout | #8 | not in top 10 |
| Razorpay Magic Checkout | #8 | not in top 10 |
| Order Limit | #9 | not in top 10 |
| Reglas De Pago | #9 | not in top 10 |
| Checkout Validation | #10 | not in top 10 |
| Pago | #10 | not in top 10 |
| Only SMART Preorder & Back in stock ranks · 56 searches | ||
| Pedidos Ya | not in top 10 | #1 |
| Soldes | not in top 10 | #1 |
| Stockful | not in top 10 | #1 |
| Smart S | not in top 10 | #2 |
| Smart Se | not in top 10 | #2 |
| Sold Out | not in top 10 | #2 |
| Depo | not in top 10 | #3 |
| Retour | not in top 10 | #3 |
| Vorbestellung | not in top 10 | #3 |
| Baback | not in top 10 | #4 |
| Drop Start | not in top 10 | #4 |
| Kno | not in top 10 | #4 |
| Manus | not in top 10 | #4 |
| Precommande | not in top 10 | #4 |
| Shiprocket Smart Cart | not in top 10 | #4 |
| Stock | not in top 10 | #4 |
| Alert Me | not in top 10 | #5 |
| Essential Preorder | not in top 10 | #5 |
| Hide Payment Methods | not in top 10 | #5 |
| Vindi | not in top 10 | #5 |
| Beae | not in top 10 | #6 |
| Candy Rack | not in top 10 | #6 |
| Carro | not in top 10 | #6 |
| Payment Method | not in top 10 | #6 |
| Payment Rules | not in top 10 | #6 |
| Poptin | not in top 10 | #6 |
| Rep AI | not in top 10 | #6 |
| Smart | not in top 10 | #6 |
| Template | not in top 10 | #6 |
| Alegra | not in top 10 | #7 |
| Charge | not in top 10 | #7 |
| Coming Soon | not in top 10 | #7 |
| Count | not in top 10 | #7 |
| Payment Methods | not in top 10 | #7 |
| Templates | not in top 10 | #7 |
| Tra | not in top 10 | #7 |
| Zahlungsmethoden | not in top 10 | #7 |
| Back In Stock Alert | not in top 10 | #8 |
| Deposit | not in top 10 | #8 |
| Deser | not in top 10 | #8 |
| Hide Payment | not in top 10 | #8 |
| Ins | not in top 10 | #8 |
| Preorders | not in top 10 | #8 |
| Seur | not in top 10 | #8 |
| Split | not in top 10 | #8 |
| Split Payment | not in top 10 | #8 |
| Stocado | not in top 10 | #8 |
| Backorder | not in top 10 | #9 |
| Metodos De Pago | not in top 10 | #9 |
| Parcelamento | not in top 10 | #9 |
| Bucks | not in top 10 | #10 |
| Orderly | not in top 10 | #10 |
| Orders | not in top 10 | #10 |
| Pre Orders | not in top 10 | #10 |
| Qikify Smart Menu | not in top 10 | #10 |
| Sorting | not in top 10 | #10 |
In the App Store's organic search results, Blockify Checkout Customizer ranks in the top 10 for 42 of the 3,809 searches we track and SMART Preorder & Back in stock for 56. They do not currently share a top-10 result. They last ranked together for "reglas de pago" on October 18, 2026.
Frequently asked questions
Is Blockify Checkout Customizer or SMART Preorder & Back in stock rated higher on the Shopify App Store?
SMART Preorder & Back in stock has the higher rating, 5.0 stars against 4.9. SMART Preorder & Back in stock has more reviews, 625 against 312.
Which has more reviews, Blockify Checkout Customizer or SMART Preorder & Back in stock?
SMART Preorder & Back in stock has more reviews, 625 against 312.
Which ranks higher in Shopify App Store search, Blockify Checkout Customizer or SMART Preorder & Back in stock?
In the App Store's organic search results, Blockify Checkout Customizer ranks in the top 10 for 42 of the 3,809 searches we track and SMART Preorder & Back in stock for 56. They do not currently share a top-10 result. They last ranked together for "reglas de pago" on October 18, 2026.
How is this comparison made?
Rankbase records the organic results merchants see when they search the Shopify App Store for 3,809 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
Blockify Checkout Customizer against other apps
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- Blockify Fraud Filter, Blocker vs Blockify Checkout Customizer
- Aftersell Post Purchase Upsell vs Blockify Checkout Customizer
- Blockify Checkout Customizer vs Hoppy Trust Badges & Icons
- Blockify Checkout Customizer vs SMART Checkout Rules & Upsells
SMART Preorder & Back in stock against other apps
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- SMART Preorder & Back in stock vs Appstle℠ Subscriptions App
- SMART Preorder & Back in stock vs Facebook & Instagram
- SMART Preorder & Back in stock vs Globo Product Options, Variant
- 17TRACK Order Tracking vs SMART Preorder & Back in stock
- Back In Stock,Notify Me vs SMART Preorder & Back in stock
Rankbase paired these two apps on September 8, 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.
Rank higher on the Shopify App Store
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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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