Best Shopify Inventory Tracking Apps in 2026

If you are choosing among Shopify inventory tracking apps, start with the thing most stores skip: what job the app actually helps you do. Ratings matter, but fit matters more.

For this source-backed comparison, I used a slow Shopify App Store pilot scrape for inventory tracking and limited the run to 5 app detail pages. That matters because this page compares captured listing facts, not unsupported testing claims.

Data last checked: 2026-04-28. Source: Shopify App Store search.

This selection of inventory tracking apps focuses on helping merchants manage stock shortages and capture demand when products are unavailable. Merchants can utilize these tools to accept pre-orders or notify customers when items are restocked. Reviewing these options may help a merchant determine which approach best suits their current inventory management needs.

Quick Picks

• Best first look: Preorder, Back In Stock ‑ STOQ because it was the first non-ad result in the pilot scrape for Shopify inventory tracking apps.
• Most reviewed in this scrape: Back In Stock,Notify Me: Kbite with 3501 reviews captured on the Shopify App Store listing.
• Lowest captured paid monthly snippet: Back In Stock,Notify Me: Kbite with scraped monthly pricing text including $5/mo. Free-plan signals are listed separately in the table; verify the live plan rules before treating this as a final cost comparison.
• Best caution: do not choose from rating alone. A small review sample can look cleaner than it really is, especially when the listing has limited pricing or feature detail.

Comparison Table

How We Compared These Apps

This page uses source-backed Shopify App Store data collected on 2026-04-28. The pilot source captured app names, listing URLs, ratings, review counts, pricing snippets, overview text, screenshots, and the original Shopify search URL.

The comparison weights:

• Category fit: whether the listing clearly matches the Shopify workflow behind Shopify inventory tracking apps.
• Review strength: rating plus review volume, not rating alone.
• Pricing clarity: whether the scrape captured useful pricing text.
• Merchant fit: whether the app looks better for dashboards, operations, bulk setup, lightweight checks, or deeper reporting.
• Source confidence: whether the pilot scrape captured enough detail to make a fair recommendation.

Because this is a source-backed Shopify app shortlist, Preorder, Back In Stock ‑ STOQ gets the first-look slot as the first non-ad result captured by the pilot scrape. Treat that as a starting point, then compare fit, reviews, pricing snippets, and listing details before installing.

App Breakdowns

1. Preorder, Back In Stock ‑ STOQ

• Shopify App Store listing: Preorder, Back In Stock ‑ STOQ
• Rating/reviews captured: 5/5 from 3018 reviews
• Pricing captured: Monthly snippets captured: $10/mo; verify live pricing
• Best fit: profit visibility
• What the listing says: Sell pre orders & manage backorders with the #1 Shopify Pre-order App. Automate back in stock alerts from restocks & increase conversions. Start for free today.
• Watch-out: Pricing and feature details should be rechecked on the live Shopify App Store listing.

Use this app as a shortlist candidate, not a final answer. The pilot source captures rating, reviews, pricing snippets, screenshots, and listing copy, but you should still confirm the current live listing before installing.

2. Back In Stock,Notify Me: Kbite

• Shopify App Store listing: Back In Stock,Notify Me: Kbite
• Rating/reviews captured: 5/5 from 3501 reviews
• Pricing captured: Monthly snippets captured: $5/mo, $9/mo; verify live pricing
• Best fit: specific profit tracking workflows
• What the listing says: Recover lost sales with automated back in stock alerts via email, SMS, and push. Keep customers engaged and drive more restock conversions.
• Watch-out: Pricing and feature details should be rechecked on the live Shopify App Store listing.

Use this app as a shortlist candidate, not a final answer. The pilot source captures rating, reviews, pricing snippets, screenshots, and listing copy, but you should still confirm the current live listing before installing.

3. REZ Preorder, Back In Stock

• Shopify App Store listing: REZ Preorder, Back In Stock
• Rating/reviews captured: 5/5 from 736 reviews
• Pricing captured: Captured pricing snippet: Free plan available; verify live pricing
• Best fit: specific profit tracking workflows
• What the listing says: Use REZ’s Preorders and Notify Me tools to create waitlists for out of stock products. Accept pre-order, backorder, and presale orders. Send back in stock alert
• Watch-out: Pricing and feature details should be rechecked on the live Shopify App Store listing.

Use this app as a shortlist candidate, not a final answer. The pilot source captures rating, reviews, pricing snippets, screenshots, and listing copy, but you should still confirm the current live listing before installing.

4. Essent Preorder Back in Stock

• Shopify App Store listing: Essent Preorder Back in Stock
• Rating/reviews captured: 5/5 from 1077 reviews
• Pricing captured: Monthly snippets captured: $9/mo; verify live pricing
• Best fit: specific profit tracking workflows
• What the listing says: Accept preorders with partial payments or deposits. Send back in stock email alerts when sold out products restock. Notify Me waitlist and 24/7 support.
• Watch-out: Pricing and feature details should be rechecked on the live Shopify App Store listing.

Use this app as a shortlist candidate, not a final answer. The pilot source captures rating, reviews, pricing snippets, screenshots, and listing copy, but you should still confirm the current live listing before installing.

5. Notify! Back in Stock|PreOrder

• Shopify App Store listing: Notify! Back in Stock|PreOrder
• Rating/reviews captured: 4.9/5 from 3093 reviews
• Pricing captured: Monthly snippets captured: $9.90/mo; verify live pricing
• Best fit: specific profit tracking workflows
• What the listing says: Download the official Notify Me!™ app on Shopify. Shopify stores love our “Pre-order” and “notify me when available”, “Wishlist” and “Only X Remaining” button
• Watch-out: Pricing and feature details should be rechecked on the live Shopify App Store listing.

Use this app as a shortlist candidate, not a final answer. The pilot source captures rating, reviews, pricing snippets, screenshots, and listing copy, but you should still confirm the current live listing before installing.

What the Results Say

The safest shortlist from this scrape is not simply “the highest rated app.” Most captured apps show strong ratings, but review volume varies widely. Back In Stock,Notify Me: Kbite had the largest captured review count at 3501, while Preorder, Back In Stock ‑ STOQ appeared first after ad filtering.

That split is useful: review volume tells you how much public proof exists, while category fit tells you whether the app solves the operational question you actually have. Pick for workflow fit first, then use reviews and pricing snippets to narrow the shortlist.

How to Choose Between These Shopify Apps

Choose based on the decision you need to make next:

• If you need confidence: prioritize review volume, clear listing copy, and screenshots that show the actual workflow.
• If pricing matters: verify the current live listing, because scraped pricing snippets can miss plan rules, trials, and usage-based fees.
• If the workflow is complex: prefer apps with deeper reporting and setup guidance.
• If the task is narrow: prefer focused tools over a giant dashboard you will ignore after day three.
• If you are scaling: prioritize repeatable reporting, integrations, and whether the app can support weekly decisions.

Best First Fit

For Shopify inventory tracking apps, the key question is not “which dashboard looks best?” It is “which app gets me to a better decision fastest?”

In this pilot scrape, Preorder, Back In Stock ‑ STOQ was the first non-ad result. Open the listing, verify the current pricing and feature details, and compare it against the table above before installing.

FAQ

What is the best app for Shopify inventory tracking apps? Based on this pilot scrape, Preorder, Back In Stock ‑ STOQ is the best first app to inspect because it appeared first after ad filtering and had enough captured listing detail for a source-backed shortlist. Still verify current pricing and features on the live Shopify App Store listing.

Did the scrape capture discounts or trial terms? The pilot scrape captured pricing snippets, not a reliable offer-terms field. Treat the prices above as a starting point and confirm the live pricing on each Shopify App Store listing before installing.

Should I choose by rating or review count? Use both, but do not let a 5-star rating with a tiny review sample beat category fit. The app should clearly support the workflow you are trying to improve.

Why use a source-backed app comparison? Because generic listicles quietly invent details. This workflow keeps the page tied to captured App Store facts: names, URLs, ratings, review counts, pricing snippets, screenshots, and listing copy.

Gemma Editorial Expansion

• Preorder, Back In Stock ‑ STOQ is noted as the #1 Shopify Pre-order App, allowing merchants to sell pre orders and manage backorders while automating back in stock alerts from restocks.
• Back In Stock,Notify Me: Kbite helps recover lost sales through automated back in stock alerts delivered via email, SMS, and push, keeping customers engaged for restock conversions.
• REZ Preorder, Back In Stock enables the creation of waitlists for out of stock products, allowing merchants to accept pre-order, backorder, and presale orders, and sending back in stock alerts.
• Essent Preorder Back in Stock allows merchants to accept preorders with partial payments or deposits and sends back in stock email alerts when sold out products restock.
• Notify! Back in Stock|PreOrder provides buttons such as “Pre-order” and “notify me when available,” along with a Wishlist and “Only X Remaining” button for Shopify stores.

A merchant might select an app based on whether they prioritize accepting partial payments for preorders or focusing on broad notification methods like SMS and push. If the primary goal is waitlist management, options like REZ Preorder, Back In Stock are available. Conversely, if the focus is on maximizing conversion through alerts, different apps offer specific notification channels.

How can these apps help with stock shortages?

These apps allow merchants to accept pre-orders or set up notifications so customers are alerted when the product becomes available again.

Recommended Next Step

Open Preorder, Back In Stock ‑ STOQ first, verify its current pricing and feature list, then compare it against the other apps in this source-backed shortlist for Shopify inventory tracking apps.