Preorder, Back In Stock vs Klaviyo
How Preorder, Back In Stock and Klaviyo 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 dataPreorder, Back In Stock vs Klaviyo at a glance
As of October 23, 2026, Preorder, Back In Stock is rated 5.0 stars from 3,843 reviews and Klaviyo is rated 4.8 stars from 233 reviews on the Shopify App Store.
- Rating: Preorder, Back In Stock has the higher rating, 5.0 stars against 4.8.
- Reviews: Preorder, Back In Stock has more reviews, 3,843 against 233.
- Pricing: Preorder, Back In Stock lists "Free plan available", Klaviyo "Free to install".
- Built for Shopify: Only Preorder, Back In Stock carries the Built for Shopify badge.
| Fact |
Preorder, Back In Stock
|
Klaviyo
|
|---|---|---|
| Tagline | Grow sales with preorders, 'notify me' & back in stock alerts | Collect product reviews and star ratings over email and SMS |
| Rating | ★ 5.0 | ★ 4.8 |
| Reviews | 3,843 | 233 |
| Pricing | Free plan available | Free to install |
| Built for Shopify | Built for Shopify | No badge |
| 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 |
Preorder, Back In Stock
|
Klaviyo
|
|---|---|---|
| Both apps rank · 2 searches | ||
| Klaviyo | #3 | #2 |
| Klaviy | #5 | #2 |
| Only Preorder, Back In Stock ranks · 59 searches | ||
| Pre Orders | #1 | not in top 10 |
| Preorder | #1 | not in top 10 |
| Preorders | #1 | not in top 10 |
| Retour | #1 | not in top 10 |
| Stock | #1 | not in top 10 |
| Stoq | #1 | not in top 10 |
| Voorraad | #1 | not in top 10 |
| Wunschliste | #1 | not in top 10 |
| Back In Stock Alert | #2 | not in top 10 |
| Depo | #2 | not in top 10 |
| SMS Alert | #2 | not in top 10 |
| Stockful | #2 | not in top 10 |
| Baback | #3 | not in top 10 |
| Back In Stock | #3 | not in top 10 |
| Kno | #3 | not in top 10 |
| #3 | not in top 10 | |
| Manus | #3 | not in top 10 |
| Notify | #3 | not in top 10 |
| Notify Me | #3 | not in top 10 |
| Presale | #3 | not in top 10 |
| Restock | #3 | not in top 10 |
| Vindi | #3 | not in top 10 |
| Alert Me | #4 | not in top 10 |
| Beae | #4 | not in top 10 |
| Essential Preorder | #4 | not in top 10 |
| Poptin | #4 | not in top 10 |
| Rep AI | #4 | not in top 10 |
| Backorder | #5 | not in top 10 |
| Candy Rack | #5 | not in top 10 |
| Carro | #5 | not in top 10 |
| Coming Soon | #5 | not in top 10 |
| Deser | #5 | not in top 10 |
| Envio | #5 | not in top 10 |
| Restock Alert | #5 | not in top 10 |
| Stocado | #5 | not in top 10 |
| Tra | #5 | not in top 10 |
| Count | #6 | not in top 10 |
| Drop | #6 | not in top 10 |
| Envios | #6 | not in top 10 |
| Ins | #6 | not in top 10 |
| Seur | #6 | not in top 10 |
| Templates | #6 | not in top 10 |
| Waitlist | #6 | not in top 10 |
| Widgets | #6 | not in top 10 |
| Disco | #7 | not in top 10 |
| Orderly | #7 | not in top 10 |
| Split | #7 | not in top 10 |
| Split Payment | #7 | not in top 10 |
| Template | #7 | not in top 10 |
| Avis | #8 | not in top 10 |
| Parcelamento | #8 | not in top 10 |
| Widget | #8 | not in top 10 |
| Bucks | #9 | not in top 10 |
| Orders | #9 | not in top 10 |
| Out Of Stock | #9 | not in top 10 |
| Send | #9 | not in top 10 |
| Buck | #10 | not in top 10 |
| Partial | #10 | not in top 10 |
| Stack Conversion Booster | #10 | not in top 10 |
| Only Klaviyo ranks · 24 searches | ||
| Klaviyo Reviews | not in top 10 | #1 |
| Clavillo | not in top 10 | #2 |
| Kalviyo | not in top 10 | #2 |
| Klavi | not in top 10 | #2 |
| Klayviyo | not in top 10 | #2 |
| Produktbewertungen | not in top 10 | #2 |
| Star Rating | not in top 10 | #2 |
| Recensioni Dei Prodotti | not in top 10 | #3 |
| Avaliacoes De Produtos | not in top 10 | #5 |
| Klaviyo Email Marketing | not in top 10 | #5 |
| Product Reviews Gratis | not in top 10 | #5 |
| Ag Product Reviews | not in top 10 | #6 |
| Loox Product Reviews | not in top 10 | #6 |
| Opinie | not in top 10 | #6 |
| Tydal Product Reviews | not in top 10 | #6 |
| Air Product Reviews | not in top 10 | #7 |
| Gutschein | not in top 10 | #8 |
| Product Reviews | not in top 10 | #8 |
| Judge.me Product Reviews | not in top 10 | #9 |
| Product Review | not in top 10 | #9 |
| Bkreview | not in top 10 | #10 |
| Bkreviews | not in top 10 | #10 |
| Trusto Product E Ali Reviews | not in top 10 | #10 |
| Trustto.io Product | not in top 10 | #10 |
In the App Store's organic search results, Preorder, Back In Stock ranks in the top 10 for 61 of the 3,809 searches we track and Klaviyo for 26. They share 2 searches and Klaviyo ranks higher on all of them.
Frequently asked questions
Is Preorder, Back In Stock or Klaviyo rated higher on the Shopify App Store?
Preorder, Back In Stock has the higher rating, 5.0 stars against 4.8. Preorder, Back In Stock has more reviews, 3,843 against 233.
Which has more reviews, Preorder, Back In Stock or Klaviyo?
Preorder, Back In Stock has more reviews, 3,843 against 233.
Which ranks higher in Shopify App Store search, Preorder, Back In Stock or Klaviyo?
In the App Store's organic search results, Preorder, Back In Stock ranks in the top 10 for 61 of the 3,809 searches we track and Klaviyo for 26. They share 2 searches and Klaviyo ranks higher on all of them.
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
Preorder, Back In Stock against other apps
Rankbase paired these two apps on October 21, 2026, when both ranked in the top 3 for "klaviyo". 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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