Back In Stock! Alert Engine vs Navidium Shipping Protection

How Back In Stock! Alert Engine and Navidium Shipping Protection 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

Back In Stock! Alert Engine vs Navidium Shipping Protection at a glance

As of November 6, 2026, Back In Stock! Alert Engine is rated 4.9 stars from 26 reviews and Navidium Shipping Protection is rated 4.8 stars from 402 reviews on the Shopify App Store.

  • Rating: Back In Stock! Alert Engine has the higher rating, 4.9 stars against 4.8.
  • Reviews: Navidium Shipping Protection has more reviews, 402 against 26.
  • Pricing: Back In Stock! Alert Engine lists "Free plan available", Navidium Shipping Protection "Free to install".
  • Built for Shopify: Both carry the Built for Shopify badge.
Back In Stock! Alert Engine and Navidium Shipping Protection 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 Back In Stock! Alert Engine Navidium Shipping Protection
Tagline Notify customers about restocks, price drops & low stock alert Shipping protection/shipping insurance fee as a cart upsell
Rating ★ 4.9 ★ 4.8
Reviews 26 402
Pricing Free plan available Free to install
Built for Shopify Built for Shopify Built for Shopify
Data as of November 6, 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 Back In Stock! Alert Engine or Navidium Shipping Protection 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 Back In Stock! Alert Engine Navidium Shipping Protection
Both apps rank · 1 search
Rebuy Engine #3 #2
Only Back In Stock! Alert Engine ranks · 3 searches
Script #4 not in top 10
Back In Stock Alert #7 not in top 10
Low Stock Alert #9 not in top 10
Only Navidium Shipping Protection ranks · 12 searches
Navidium not in top 10 #1
Tapcart not in top 10 #2
Antifraude not in top 10 #3
Insurance not in top 10 #3
Shipping Insurance not in top 10 #3
Shipping Protection not in top 10 #3
Easy Shipping Protection not in top 10 #4
Reamaze not in top 10 #4
Bold not in top 10 #6
Recharge not in top 10 #8
Shop Protector not in top 10 #9
Anygift not in top 10 #10

In the App Store's organic search results, Back In Stock! Alert Engine ranks in the top 10 for 4 of the 3,976 searches we track and Navidium Shipping Protection for 13. They share one search, "rebuy engine", where Navidium Shipping Protection ranks #2 and Back In Stock! Alert Engine #3.

Frequently asked questions

Is Back In Stock! Alert Engine or Navidium Shipping Protection rated higher on the Shopify App Store?

Back In Stock! Alert Engine has the higher rating, 4.9 stars against 4.8. Navidium Shipping Protection has more reviews, 402 against 26.

Which has more reviews, Back In Stock! Alert Engine or Navidium Shipping Protection?

Navidium Shipping Protection has more reviews, 402 against 26.

Which ranks higher in Shopify App Store search, Back In Stock! Alert Engine or Navidium Shipping Protection?

In the App Store's organic search results, Back In Stock! Alert Engine ranks in the top 10 for 4 of the 3,976 searches we track and Navidium Shipping Protection for 13. They share one search, "rebuy engine", where Navidium Shipping Protection ranks #2 and Back In Stock! Alert Engine #3.

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

Rankbase paired these two apps on November 5, 2026, when both ranked in the top 3 for "rebuy engine". 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, 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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