Many Shopify stores lose sales when products are out of stock or not yet available for purchase. A good preorder app helps you continue selling by allowing customers to place preorders and receive back-in-stock notifications. Both Preorder Guru and AMP: Back in Stock & PreOrder are popular Shopify apps that help merchants manage inventory shortages, improve customer experience, and recover missed sales.
While both apps offer preorder and back-in-stock features, they differ in functionality and flexibility. Preorder Guru includes advanced tools such as partial payments, preorder scheduling, coming soon products, customizable buttons and badges, variant-level settings, and automated back-in-stock alerts. In this comparison, we’ll look at their features, pricing, ease of use, customization options, customer support, and overall value to help you choose the best Shopify preorder app for your store.
Preorder Guru – The Best Shopify App for Preorders and Inventory Management
Preorder Guru – Back in Stock is a powerful Shopify preorder app that helps merchants continue selling even when products are out of stock or not yet available. Instead of losing potential sales, you can easily accept preorders, manage backorders, launch Coming Soon products, and send automatic back-in-stock notifications to customers. This helps increase revenue, improve inventory management, recover lost sales, and keep customers engaged throughout their shopping journey.
The app includes advanced features such as full and partial payment options, customizable preorder buttons and badges, countdown timers, preorder scheduling, variant-level controls, and automatic back-in-stock email alerts. Merchants can also limit preorder quantities, schedule product launches in advance, and fully customize the storefront to match their brand. Whether you’re launching new products, managing seasonal demand, or handling inventory shortages, Preorder Guru offers a flexible, scalable, and easy-to-use Shopify solution that helps boost conversions, customer engagement, and overall sales.
Key Features of Preorder Guru
| ✅ Unlimited Preorders | ✅ Zero Transaction Fees | ✅ Back-in-Stock Alerts | ✅ Up to 5,000 Email Notifications |
| ✅ Full & Partial Payments | ✅ Preorder Scheduling | ✅ Coming Soon Products | ✅ Custom Preorder Buttons |
| ✅ Product & Collection Page Support | ✅ Homepage Preorder Buttons | ✅ Countdown Timers | ✅ Custom Product Badges |
| ✅ Automatic Confirmation Emails | ✅ Mixed Cart Warnings | ✅ Inventory Limit Controls | ✅ Preorder Fulfillment Management |
| ✅ Preorder Discounts | ✅ Fixed & Percentage Discounts | ✅ Variant-Level Preorders | ✅ Custom CSS & JavaScript |
| ✅ Multi-Language Support | ✅ Unlimited Translations | ✅ SMTP Email Integration | ✅ Custom Business Domain Emails |
Preorder Guru – Back in Stock Pricing
- Free Plan
- Basic: $5.99/month
- Premium: $12.99/month
Reviews & Rating
⭐ 5.0 out of 5 stars
AMP: Back in Stock & PreOrder+ – An Overview of Its Features
AMP: Back in Stock & PreOrder+ is a Shopify app that helps merchants recover lost sales by offering back-in-stock notifications and preorder functionality for out-of-stock and upcoming products. Customers can sign up for restock alerts using a customizable “Notify Me” button and receive notifications via email, SMS, or push messages when products become available. The app also supports preorders, custom branding, multi-language and multi-warehouse stores, analytics and demand reports, Klaviyo, Mailchimp, and Zapier integrations, custom sending domains, and API/Webhooks on higher plans. With different pricing tiers offering varying limits for notifications and preorders, AMP provides a flexible solution for Shopify merchants looking to manage inventory demand and improve customer engagement.
Key Features:
| ✅Unlimited Subscriber Sign-ups | ✅Notify Me Button & Signup Form | ✅Back-in-Stock Alerts |
| ✅Preorder Support | ✅Custom Branding on Widgets | ✅SMTP |
| ✅Smart Restock Delivery Settings | ✅Klaviyo, Mailchimp & Zapier Integrations | ✅Multi-Language Support |
| ✅Up to 500 Alerts per Month | ✅API & Webhooks Access | ✅Analytics & Demand Reports |
| ✅Multi-Warehouse Support | ✅Unlimited Preorders |
Amp: Back in Stock & PreOrder+ Pricing
- Free Plan
- LIte: $19/month
- Essentials: $25/month
- Small Business: $49/month
Reviews & Rating
⭐ 4.9 out of 5 stars
Preorder Guru vs AMP: Best Shopify App for Preorders & Back-in-Stock Alerts
Managing preorders and back-in-stock notifications is essential for Shopify stores looking to reduce lost sales and keep customers engaged. Both AMP: Back in Stock & PreOrder+ and Preorder Guru help merchants accept preorders, notify customers when products are available again, and improve inventory management. While both apps offer similar core functionality, they differ in terms of features, pricing, customization, integrations, and scalability.
In this comparison, we’ll evaluate Preorder Guru and AMP: Back in Stock & PreOrder+ based on pricing, features, preorder capabilities, back-in-stock alerts, customization options, integrations, ease of use, customer support, and overall value. By the end of this comparison, you’ll have a clear understanding of which Shopify preorder app is the better choice for your store’s needs and future growth.
Preorder Guru Vs Amp: Back in Stock & PreOrder+ = Free Plan
| Feature | Preorder Guru | AMP: PreOrder+ |
|---|---|---|
| Monthly Preorders | ✅ 10 Preorders/Month | ❌ Not Included |
| Back-in-Stock Alerts | ✅ 200/month | ✅ Up to 10 Alerts/Month |
| Email Notifications | ✅ 200 Emails/Month | ❌ Limited to 10 Alerts |
| Unlimited Products | ✅ Yes | ❌ Not Available |
| Unlimited Subscriber Sign-ups | ❌ No | ✅ Yes |
| Notify Me Button & Form | ✅ Customizable Preorder Button | ✅ Notify Me Button & Form |
| Button Customization | ✅ Yes | ❌ Branding Only |
| Preorder Campaigns | ✅ 1 Campaign | ❌ Not Available |
| Full Payment Preorders | ✅ Supported | ❌ Not Available |
| Store Customization | ✅ Customize Everything | ✅ Custom Branding on Widgets |
| Preorder Fulfillment Trigger | ✅ Included | ❌ Not Available |
| Analytics & Reports | ✅ Detailed Reports | ✅ Analytics & Demand Reports |
| Shipping Notes | ✅ Included | ❌ Not Available |
| Multi-Language Support | ❌ Paid Plans | ✅ Included |
| Multi-Warehouse Support | ❌ No | ✅ Included |
| Free for Shopify Development Stores | ✅ Yes | ❌ Not Mentioned |
Preorder Guru Vs Amp: Back in Stock & PreOrder+ Free Plan Summary
Both Preorder Guru and AMP: Back in Stock & PreOrder+ offer free plans, but they focus on different needs. AMP’s free plan is mainly designed for back-in-stock notifications, allowing up to 10 alerts per month, unlimited subscriber sign-ups, a Notify Me button, custom branding, analytics, and support for multi-language and multi-warehouse stores. However, it does not include preorder functionality in its free plan.
In comparison, Preorder Guru’s free plan offers much more for merchants who want to sell products before they are available. It includes 10 preorders per month, 200 back-in-stock email alerts (20× more alerts than AMP), 1 preorder campaign, full-payment preorders, customizable preorder buttons, unlimited products, preorder fulfillment triggers, shipping notes, detailed reports, and is completely free for Shopify development stores. While AMP provides multi-language and multi-warehouse support on its free plan, Preorder Guru includes multi-language support starting from the Basic plan and currently does not support multi-warehouse.
Overall, if your goal is simply to collect restock subscribers, AMP’s free plan is a decent choice. However, if you want to accept preorders, manage product launches, customize the buying experience, and recover more sales, Preorder Guru’s free plan delivers significantly more value and functionality for Shopify merchants.
Preorder Guru ($5.99/month) – Basic Plan
- 150 preorders allowed per month
- Support for 1500 email alerts
- Scheduled preorder campaign functionality
- Partial payment support for preorder orders
- Countdown timer for preorder urgency
- Unlimited “Coming Soon” products
- Preorder buttons on collection and homepage sections
- Product badges support
- Automatic preorder confirmation emails
- Mixed cart warning notifications
- Inventory limits management
- Fixed and percentage discount support
- Custom CSS and JavaScript support
- Multi-language support for up to 2 languages
Preorder Guru ‑ Back in Stock, Premium Plan ($12.99/Month) Vs Amp: Back in Stock & PreOrder+ – Lite Plan $19 /month)
| Preorder Guru – Premium | AMP: Lite Plan |
|---|---|
| Unlimited Preorders | 100 Preorders Included |
| 5000 Email Alerts | 50 Email, SMS & Push Alerts/Month |
| Unlimited Multi-Language Support | Multi-Language & Multi-Warehouse Support |
| Custom SMTP | Send Notifications from Your Own Domain |
| No Transaction Fees | Klaviyo, Mailchimp & Zapier Integration |
| Analytics & Demand Reports | Analytics & Demand Reports |
| API & Webhooks Access |
Preorder Guru Premium Plan Vs Amp: Back in Stock & PreOrder+ Lite Plan Summary
Preorder Guru Premium is built for Shopify merchants who want a feature-rich preorder solution without paying premium prices. At just $12.99/month, it is $6 cheaper than Amp: Back in Stock & PreOrder+ Lite ($19/month) while offering Unlimited Preorders, 5,000 Email Alerts per month, No Transaction Fees, Custom SMTP (send emails from your own domain), Unlimited Multi-Language Support, and Analytics & Reports. Klaviyo integration is currently under development and will be available in a future update.
Compared to Amp Lite, Preorder Guru includes nearly all the essential features most Shopify store owners need for managing preorders at a much better price. The only major features it currently doesn’t offer are Multi-Warehouse Support and API & Webhooks Access. If your business specifically requires those advanced capabilities, Amp Lite may be the better choice. Otherwise, Preorder Guru Premium delivers far greater value for money, giving merchants higher limits, essential preorder functionality, and significant cost savings in a single affordable plan.
Amp: Back in Stock & PreOrder+ – Startup $29 / month
- 100 Email, SMS & Push Alerts/Month
- 500 Preorders Included
Summary for this Plan
At $29/month, Amp: Back in Stock & PreOrder+ Startup includes 500 preorders and 100 email, SMS & push alerts per month. In comparison, Preorder Guru Premium costs just $12.99/month—less than half the price—while offering Unlimited Preorders, 5,000 Email Alerts per month, No Transaction Fees, Custom SMTP, Unlimited Multi-Language Support, and other essential preorder features. For most Shopify merchants, Preorder Guru already provides everything needed to run a successful preorder campaign at a much lower cost, making it the better value. Unless your store specifically requires advanced features like Multi-Warehouse Support or API & Webhooks, Preorder Guru Premium is the more cost-effective and feature-rich choice.
Amp: Back in Stock & PreOrder+ – Small Business $49 / month
- 500 Email, SMS & Push Alerts/Month
- Unlimited Preorders Included
Summary for this Plan
Amp: Back in Stock & PreOrder+ Small Business costs $49/month and includes Unlimited Preorders with 500 Email, SMS & Push Alerts per month. In comparison, Preorder Guru Premium offers Unlimited Preorders, 5,000 Email Alerts per month (10× more), No Transaction Fees, Custom SMTP, Unlimited Multi-Language Support, and other essential preorder features for just $12.99/month. For most Shopify merchants, Preorder Guru already provides everything needed to manage and scale preorders at a fraction of the cost, making it a far more valuable and budget-friendly solution. Unless your business specifically requires advanced features such as Multi-Warehouse Support or API & Webhooks, Preorder Guru Premium delivers significantly better value for money.
Final Verdict: Which Shopify Preorder App Should You Choose?
Both Preorder Guru and AMP: Back in Stock & PreOrder+ are excellent Shopify apps for managing preorders and back-in-stock notifications. They help merchants recover lost sales, improve customer engagement, and continue selling even when products are out of stock. However, when comparing features, pricing, and overall value, Preorder Guru stands out as the better choice for most Shopify merchants.
Preorder Guru is built to provide everything a growing Shopify store needs without the high monthly cost.
Starting at just $5.99/month, with its feature-packed Premium plan at only $12.99/month, it offers Unlimited Preorders, up to 5,000 Email Alerts, No Transaction Fees, Full & Partial Payments, Coming Soon Products, Preorder Scheduling, Countdown Timers, Variant-Level Controls, Custom Buttons & Badges, Detailed Analytics, Custom SMTP, Unlimited Multi-Language Support, and many other advanced preorder features. Klaviyo integration is also currently under development, making the app even more powerful in future releases.
Across every pricing comparison in this article, Preorder Guru consistently provides higher preorder limits, significantly more email notifications, and more preorder-focused functionality while costing between $6 and $36 less per month than comparable AMP plans. For most Shopify store owners, it includes all the essential features needed to successfully launch products, manage preorders, and recover sales—without paying for expensive enterprise plans.
AMP: Back in Stock & PreOrder+ remains a strong alternative for merchants who specifically require advanced features such as Multi-Warehouse Support, API & Webhooks, or integrations with Mailchimp and Zapier. These capabilities can be valuable for larger businesses with more complex workflows and operational requirements.
Overall, if you’re looking for the best balance of features, affordability, scalability, and ease of use, Preorder Guru is the clear winner. It delivers premium preorder functionality, generous usage limits, and exceptional value at a fraction of the cost, making it one of the best Shopify preorder apps for businesses of all sizes.
FAQs About Preorder Guru vs AMP: Back in Stock & PreOrder+
Both apps are excellent for managing preorders and back-in-stock notifications. However, Preorder Guru offers more preorder-focused features, higher email limits, and significantly lower pricing, making it the better choice for most Shopify merchants. AMP is better suited for businesses that require Multi-Warehouse Support, API & Webhooks, or advanced integrations.
Yes. Preorder Guru includes automatic back-in-stock email alerts, customizable preorder buttons, and up to 5,000 email notifications per month on its Premium plan. Merchants can notify customers as soon as products become available again.
Yes. Preorder Guru starts at just $5.99/month, while AMP’s paid plans start at $19/month. Despite the lower price, Preorder Guru includes unlimited preorders, more email notifications, and advanced preorder features that provide excellent value for growing Shopify stores.
Yes. Both Preorder Guru and AMP allow merchants to accept preorders for out-of-stock and upcoming products. Preorder Guru also supports partial payments, preorder scheduling, Coming Soon products, countdown timers, and variant-level preorder settings for greater flexibility.
For most small and medium-sized Shopify stores, Preorder Guru is the better option because it combines affordable pricing with powerful preorder management, customizable storefront features, and generous email notification limits. Businesses that need enterprise features like Multi-Warehouse Support or API & Webhooks may find AMP a better fit.