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Back In Stock vs Klaviyo

The Shopify stores running each, App Store rankings, reviews and pricing, side by side and updated daily.

Watch both apps

Shopify stores

Back In Stock

2,685

Klaviyo

76,568

Shopify stores where a scan detected each app.

Listed reviews

4,2173,350

+128 vs +73 in 28 days

Rating

5.04.7

Developer replies

1%50%

Share of captured reviews with a reply

What stands out

Stores

Who runs each app

Back In Stock2,685 stores

Klaviyo76,568 stores

Platforms

  • Shopify93%
  • WooCommerce3%
  • Magento (Adobe Commerce)2%
  • BigCommerce1%

See the stores running both. Compare when we first detected each app, store by store, with a free account.

Compare their stores

Reviews

Listed review totals over time

Percentage change from 07 Sep 2026, last 28 days.

Back In StockKlaviyo
Events

Replies to 1–2★ reviews

67%54%

Of captured critical reviews

5★ share

99%89%

Of captured reviews

Reviews read

4,0743,127

95% and 71% with text

Pricing

Listed plans side by side

Back In StockFree plan available

  • FreeFree
  • Basic$5 / month
  • Starter$9 / month
  • Pro$19 / month

KlaviyoFree to install

  • FreeFree to install
  • SMS$15 / month
  • Email$20 / month

Allowances and billing models differ, so compare the terms before the prices.

Capabilities

What each lists that the other doesn't

Only in Back In Stock's listing19

Stock alertsAuto-alertsBatch sendBack in stockMulti-languageEmailSMSOut of stockPrice dropCustom alertsAlert settingsNotification templatesNotification buttonWaitlistsCustomer demandInventory reportsPerformance reportsInventory trackingMarketing - Other

Only in Klaviyo's listing39

Email marketingEmail campaignsSMS campaignsPush notificationsNewslettersFormsDiscountsPromotionsUpsell emailsCross-sell emailsCart emailsCheckout emailsExit intentAbandoned cartBrowse abandonmentWelcome emailsFollow-up emailsPrice drop emailsBack-in-stock emailsWin-back emailsProduct recommendationsDrip campaignsSubscriptionsProduct reviewsCustom campaignsEditor toolTemplatesAI generationLocalizationCustom codeCustom fontsBulk editingImport and exportEmail domainsConsent collectionEmail capture listSMS capture listTriggers and rulesAutomations
1 feature labels appear in both listings · Show shared labels

Pop-ups

Each label is in the developer's own wording. A feature missing from a listing may still be available.

Keep comparing

Back In Stock against other apps

Back In Stock vs Brevo PushOwlBack In Stock vs FirepushBack In Stock vs Omnisend

Methodology

Where the numbers come from

Stores

Shopify stores where a recent scan detected the app. 2,685 and 82,135 sites across all platforms.

Rank and listing

Daily captures of each App Store listing and category page; the last 28 days are shown.

Review totals

Shopify raised displayed totals across many listings on 2–4 Sep 2026; charts mark the window.

Back In Stock on the App Store Klaviyo on the App Store