Amp: Back in Stock & PreOrder+ for Shopify App Store
Amp: Back in Stock & PreOrder+ is the #1 ranked marketing app on Shopify, with a 4.9 average rating from 885 reviews, with a free plan available, as of July 9, 2026.
Amp: Back in Stock & PreOrder+ is a Shopify App Store app by HEL SG PTE LTD, launched May 2011. With a rating of 4.9★ from 885 reviews, it currently ranks #1 in the Marketing category.
AppRanks data: Amp: Back in Stock & PreOrder+ ranks #1 in Marketing on Shopify App Store, placing it in the top 4% of that category.
AppRanks verdict
Generated from live marketplace data — refreshed daily
Amp: Back in Stock & PreOrder+ is a category-leading Shopify app with a growing review traction. It is listed in the Marketing category on Shopify App Store, which AppRanks treats as the canonical taxonomy node for ranking and competitor comparison. 885 reviews show steady adoption but the app hasn't crossed the heavy-volume bar yet. Review accumulation at this stage tends to come from segment-specific use cases rather than universal adoption, so fit-to-stack matters more than category-leader brand recognition. The free tier lets you trial the entry feature set without committing a payment method. AppRanks tracks rating, review count, pricing tier, and category position daily — the figures on this page reflect the most recent scrape from the canonical Shopify App Store listing.
Pros
- +High average rating (4.9★) signals consistent merchant satisfaction
- +Free tier available — no card required to evaluate
- +Published by HEL SG PTE LTD — established developer track record
Cons
- −Single-language listing (English) — international merchants may need translation tooling
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See Amp: Back in Stock & PreOrder+'s alternatives ranked by audit score, rating, and review velocity.
About Amp: Back in Stock & PreOrder+
How Amp: Back in Stock & PreOrder+ works
Every out-of-stock product is a customer about to leave forever. Amp: Back in Stock & PreOrder+ captures them with a "Notify Me" button, builds a waitlist, and auto-fires alerts the moment you restock - via email, SMS, or push. Pre-sell upcoming drops and collect revenue before inventory lands. Wishlists and low-stock alerts let you capture intent at every stage. Built for high-SKU catalogs. Set up in minutes. Hundreds of millions of alerts delivered across 25,000+ brands since 2011.
Screenshots
Key features
- Back in stock alerts: Notify shoppers via email, SMS & push on restock products
- Preorder: Sell new products before inventory arrives
- Branded restock alert buttons: Customize and add Back in Stock alerts in minutes
- Smart Restock & Preorder Insights: Track demand to plan restock with confidence
- Wishlist & low-stock alerts - capture demand at every stage of the journey
Standardized capabilities
Normalized capabilities detected for this app, comparable across the marketplace.
- Analytics & ReportingUtilize comprehensive analytics and reporting tools for your business.Niche
- Back In StockNotify customers when previously out-of-stock items are available again.table-stakes
- Back Order ManagementAllow customers to place orders for items that are currently out of stock.table-stakes
- Button CustomizationCreate and customize buttons for your applications and websites.table-stakes
- Coming Soon PagesCreate pages to inform customers about upcoming products or features.table-stakes
- Custom AlertsSet personalized alert thresholds and notifications for your store.table-stakes
- Custom Branding SolutionsImplement custom branding strategies to enhance your market presence.Common
- Customer Demand InsightsAnalyze and understand customer demand trends and patterns.table-stakes
- Custom TextAdd and style custom text to your designs easily.table-stakes
- Percentage and Volume DiscountsApply percentage and volume discounts to incentivize purchases.table-stakes
- Email CommunicationUtilize email as a primary channel for customer communication.table-stakes
- Flow ManagementManage and optimize workflows to enhance operational efficiency.Common
- Inventory ManagementTrack and manage your inventory levels and stock efficiently.Common
- Manual Payment ProcessingProcess payments manually for orders as needed.Common
- Multi-Language SupportOffer a multilingual experience for your customers.Common
- Notification ButtonAdd a button for users to opt-in for notifications easily.table-stakes
- Notification TemplatesCreate and manage customizable templates for various notifications.table-stakes
- Out of StockManage and display products that are currently out of stock to customers.table-stakes
- Partial PaymentsAllow customers to make partial payments on their purchases.table-stakes
- Performance ReportingAccess detailed insights into business performance metrics.Differentiator
- Pre-Order ManagementEnable customers to place pre-orders for upcoming products.table-stakes
- Pre-SalesEngage customers with pre-sales to generate interest before the official launch.table-stakes
- Product Drops NotificationsNotify customers about new product drops to drive engagement.Common
- SMS MessagingEngage customers through targeted SMS messages for promotions and updates.Differentiator
- Waitlist ManagementCreate and manage waitlists for product availability and user interest.Differentiator
- Web Push NotificationsEngage users with timely web push notifications on their devices.Differentiator
- Back-In-Stock AlertsNotify customers when out-of-stock products are available again.Common
- Custom ButtonsAdd and configure custom buttons for enhanced functionality.
- Email NotificationsSend timely notifications to customers via email for important updates.table-stakes
- Push NotificationsDeliver real-time updates and alerts directly to users' devices.Niche
- SMS NotificationsSend timely SMS notifications and alerts to your audience.Common
Pricing plans
FREE
|
Lite19/month
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Most popular Startup29/month
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Small49/month
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Category rankings
As of Jul 9, 2026- Marketing#1of 28Top 4%
- Pre-order#10of 104Top 10%
- Stock alert#14of 268Top 6%
- Email marketing#17of 331Top 6%
See 90-day rank history for each category
Track daily rank changes, category shifts, and position volatility.
Keyword rankings
Amp: Back in Stock & PreOrder+ ranks for 30 keywords across Shopify App Store. Here are the top 3:
Competitors & alternatives
Amp: Back in Stock & PreOrder+ competes with these apps in the same space:
Frequently asked questions
What is Amp: Back in Stock & PreOrder+?
Amp: Back in Stock & PreOrder+ is an app for Shopify. It currently holds a 4.9-star rating from 885 merchant reviews, and it has been listed on the marketplace since 2011. It is listed under the Marketing category on AppRanks, where you can see its current category position, review-velocity trend, and how it compares against the top alternatives in the same space. Developed by HEL SG PTE LTD.
Is Amp: Back in Stock & PreOrder+ free?
Amp: Back in Stock & PreOrder+ offers a free plan that merchants can install on Shopify without entering payment details. Paid tiers Lite, Startup, Small unlock additional features for teams that outgrow the free plan. Pricing details on this page are mirrored from the live Shopify listing and refresh on each scrape cycle.
How does Amp: Back in Stock & PreOrder+ compare to alternatives?
Amp: Back in Stock & PreOrder+ currently ranks #1 of 28 apps in the Marketing category on Shopify. The closest tracked alternatives are Back In Stock,Notify Me: Kbite and Appikon ‑ Back In Stock — each shares categories, pricing patterns, or feature signals with Amp: Back in Stock & PreOrder+. AppRanks publishes daily side-by-side comparisons (rating, review velocity, ranking deltas, pricing) so merchants can pick the option that fits their store size, integrations, and budget tier.
Who uses Amp: Back in Stock & PreOrder+?
Amp: Back in Stock & PreOrder+ is actively installed across Shopify stores tracked by AppRanks. Its review base of 885 suggests adoption is concentrated in growth-stage and mid-market stores. It is part of the Marketing category on Shopify.
Where does Amp: Back in Stock & PreOrder+ rank on Shopify?
Amp: Back in Stock & PreOrder+ currently sits at position #1 in the Marketing category on Shopify. That places it in the top 4% of 28 apps tracked in the same category. Category positions are read from the live marketplace ranking and refresh on each scrape, so the number you see here reflects the most recent crawl rather than a long-running average.
What does Amp: Back in Stock & PreOrder+ integrate with?
Amp: Back in Stock & PreOrder+ lists 7 integrations on its Shopify marketplace page. The most prominent are Shopify Flow, Shopify Admin, Flow, Klaviyo, MailChimp, Upsell by AMP, plus 1 additional integrations listed on the marketplace page. Integration data is mirrored from the live Shopify listing on each refresh, so the set above tracks whatever the developer has currently published — it does not reflect deeper compatibility AppRanks has not been able to verify from public data.