Notify Me and Postscript both live on Shopify, but solve totally different problems. Notify Me is your AI inventory assistant, while Postscript is a dedicated SMS revenue machine. Your choice depends on whether you need smarter restocks or powerful text marketing.
Best for: Shopify stores struggling with stockouts and restocking decisions, Brands wanting to run pre-order campaigns based on customer interest
Best for: Shopify stores ready to invest in SMS as a primary revenue channel, Brands needing advanced campaign optimization with AI testing
AI-powered, but unproven externally.
Notify Me offers a promising AI-driven approach to inventory management for e-commerce, with a clear feature set and tiered pricing. However, the complete lack of accessible external reviews means we can't independently verify user experiences with support, reliability, or long-term value. Overall, the product looks solid on paper, but we advise caution due to the missing social proof.
Shopify's SMS specialist for serious ROI.
We found Postscript to be a powerful, dedicated SMS marketing tool built exclusively for Shopify. Its focus on compliance, AI-driven optimization, and strategic support makes it a top choice for brands ready to invest in a high-return channel. Overall, it's an excellent, niche solution for Shopify merchants prioritizing SMS revenue growth.
Notify Me is an AI-powered inventory assistant for e-commerce brands. 🎯 It’s built for store owners who want to manage stock smarter. The tool analyzes data to guide restocking, preorder launches, and promotional decisions.
✨ Postscript is a dedicated SMS marketing platform built specifically for Shopify stores. It's for ecommerce brands that want to move beyond generic blasts and build a profitable, conversational channel with their customers.
The service combines specialized software with a strategic team of SMS experts. Their goal is to transform your list into a reliable, high-ROI revenue stream through compliant and effective messaging.
We highlight the main differences and pick a winner for each feature.
Notify Me handles inventory alerts; Postscript handles marketing campaigns.
Notify Me is an AI inventory assistant for Shopify. It focuses on turning product interest into sales through back-in-stock alerts, pre-orders, and wishlists. Postscript is a dedicated SMS marketing platform for Shopify. Its entire business is helping brands build profitable, conversational text channels. Notify Me solves operational problems like stockouts and restocking guesses. Postscript solves marketing problems like campaign ROI and list growth. If your main headache is 'When will X be back?', choose Notify Me. If it's 'How do I sell more via text?', choose Postscript.
Notify Me's AI predicts demand; Postscript's AI optimizes messages.
Notify Me's AI analyzes your store data to predict which products to restock and when. It identifies candidates for pre-order campaigns based on interest. Postscript's AI, called Infinity Testing, automatically tests hundreds of message variants to find the highest-converting copy and timing. Notify Me's AI is for inventory planning and forecasting. Postscript's AI is for campaign performance and conversion optimization. Think of Notify Me's AI as your data-driven buyer, and Postscript's AI as your expert copywriter.
Notify Me uses volume-based tiers; Postscript uses a fee-plus-usage model.
Notify Me has 5 fixed tiers (including free), priced by annual notification volume. Costs are predictable: e.g., Standard is $383.04/year. Postscript has 4 tiers (Starter to Enterprise) with a monthly platform fee plus per-message and carrier fees. Spend varies with usage. Notify Me offers a 7-day trial and 30-day money-back guarantee. Postscript offers a 30-day trial with a $100 credit. Notify Me is easier to budget for. Postscript's cost scales directly with how many texts you send.
Both integrate directly with Shopify, but Postscript emphasizes smoother onboarding.
Notify Me installs as a Shopify app. Features like the 'Notify Me' button appear automatically for out-of-stock items. Postscript also integrates seamlessly with Shopify. They highlight a 'world-class' editor for popups and a smooth migration process. Review snippets for Postscript praise its thorough onboarding. Notify Me's support for setup isn't detailed. For a new store, Notify Me's free plan is very easy to start. Postscript's trial with credit lowers the initial risk.
Postscript offers more advanced campaign analytics than Notify Me's dashboard.
Notify Me provides a clear dashboard for viewing recommendations and performance. The focus is on inventory metrics. Postscript offers detailed analytics on campaign performance, list growth, and ROI. This is core to measuring SMS success. Notify Me's reporting helps you make restocking decisions. Postscript's reporting helps you optimize marketing spend and strategy. If data-driven marketing is key, Postscript has a clear advantage here.
Postscript details support hours and priority tiers; Notify Me's support structure is less clear.
Notify Me offers live chat on lower plans and dedicated VIP support for its custom-priced Notify Plus plan. Postscript specifies support hours (Mon-Fri, 6am-5pm PT) and includes priority support on its Professional and Enterprise plans. Review snippets for Postscript mention knowledgeable strategy support. Notify Me has no accessible external reviews to validate support quality. Postscript appears more transparent about its support offerings.
Postscript is more deeply specialized for Shopify SMS marketing.
Notify Me is built exclusively for Shopify stores, focusing on inventory management tasks. Postscript is also built exclusively for Shopify. Their specialization is deeper, with tools and strategies tailored to Shopify's ecosystem. Both are native Shopify apps. Postscript's entire marketing strategy is centered around Shopify merchants. If your store is on Shopify, both work. Postscript offers more depth for SMS within that platform.
Notify Me offers a guarantee; Postscript offers a trial with a spending credit.
Notify Me offers a 7-day free trial on paid plans and a 30-day money-back guarantee on all subscriptions. Postscript offers a 30-day trial with a $100 credit for message and carrier fees. No money-back guarantee is mentioned. Notify Me's guarantee reduces long-term risk. Postscript's credit lets you test the platform with real messaging. Try before you buy is easier with Postscript's credit, but Notify Me's refund policy provides a safety net.
Notify Me pricing: Notify Me offers flexible tiered subscription plans starting from a free forever option for basic stores to custom enterprise solutions. Pricing scales based on notification volume and advanced inventory features like pre-orders and wishlist limits with monthly or yearly billing options available at a discount.
Let's take a closer look at what each plan offers for your Shopify store.

Postscript pricing: Postscript offers tiered subscription plans starting at $0/month with a usage-based messaging model. Costs are driven by a monthly platform fee plus per-message rates for SMS and MMS communications.
Scales from new startups to large enterprise operations. Only available to Shopify stores.
No hidden fees. Contact sales for customized plans.

Since we couldn't access full reviews on Trustpilot or Capterra due to technical errors (like a 403 Forbidden message), we're unable to synthesize a balanced summary of user sentiment on accuracy, ease of use, support, or pricing. Our assessment is based solely on the provided website information and snippets.
Based on the available snippets, Trustpilot reviews for Postscript focus on antique furniture, not the SMS platform, indicating a brand name conflict. Capterra snippets were blocked, so no substantive reviews for the platform are accessible. 🤔 This limits our ability to synthesize external user sentiment. For this review, we're leaning heavily on the provided website content and our own analysis to form a balanced assessment.
The team is incredibly knowledgeable about SMS marketing. They helped us build a strategy that directly increased our sales. It's been a game-changer for our revenue.
Choosing between Notify Me and Postscript is simple: it's about fixing inventory problems vs. building a marketing channel. Notify Me's superpower is turning 'out of stock' into guaranteed revenue. It uses AI to tell you exactly what to restock and when, capturing customer interest before they leave. Postscript's superpower is transforming your SMS list into a high-ROI machine. With AI message testing and expert strategy, it aims for a 34x return on your texting spend. The deciding factor is your biggest pain point. If it's inventory management and lost sales from stockouts, Notify Me is your tool. If it's underperforming marketing campaigns, Postscript is built for you. For most Shopify stores, Postscript offers a more proven, high-impact marketing solution. Choose Notify Me for smart inventory alerts, or Postscript to make SMS your top revenue driver.
No. Postscript is built exclusively for Shopify stores. An SDK exists for custom integration, but it's not a standard connector. Notify Me is also Shopify-only.
No. Notify Me uses SMS and email only for sending back-in-stock or preorder alerts. It is not a marketing campaign platform like Postscript.
Postscript is better. It has an in-house legal team and compliance as a core feature. Notify Me offers GDPR tools on higher-tier plans but doesn't emphasize legal support.
Yes. Notify Me has a free 'Kickstart' plan forever for Basic Shopify stores. Postscript has a $0 Starter plan, but it requires a $49 minimum monthly spend on messages.
Postscript does. It has a higher average rating (4.2 vs 3.5) and positive snippets about ROI and support. Notify Me lacks accessible external reviews for validation.
Notify Me. It has an AI-powered feature to identify and launch pre-order campaigns for products with high customer interest. Postscript doesn't offer this.
Both tools have their strengths. Choose based on your specific needs.