Key Apps for Customer Engagement
In this article, we’ll explore key apps that focus on enhancing customer engagement, such as customer reviews, customer service, email marketing, and back in stock alerts.

Welcome to part 2 of our 5-part series on essential Shopify apps. In this article, we’ll explore key apps that focus on enhancing customer engagement, such as customer reviews, customer service, email marketing, and back in stock alerts. By leveraging these apps, you can build trust, provide real-time support, automate marketing campaigns, and recapture lost sales. So, let’s dive right in and discover how you can take your customer engagement to the next level with Shopify apps.
1. Customer Reviews
What It Does: Customer review apps collect and display product ratings and testimonials, helping to build trust and credibility with potential buyers.
- Examples:
- Yotpo: Yotpo helps eCommerce brands collect product reviews that drive social proof. With AI-powered reviews widgets, Yotpo makes it easy for eCommerce brands of all sizes to gather high-quality product reviews that impact the path to purchase. Yotpo’s partner integrations make it easy for brands to display reviews and star ratings on social media and search engines like Google. Plus, with Yotpo Reviews, brands can also unlock synergies between SMS and loyalty.
- Loox: Loox is a beautiful social proof solution that helps brands build trust and drive sales. Automatically collect product reviews with photos and videos. Display product reviews on fully customizable widgets without slowing down your site. Reach new customers with one-click referrals. Set up trustworthy social proof upsells that display product reviews & ratings.
- Yotpo: Yotpo helps eCommerce brands collect product reviews that drive social proof. With AI-powered reviews widgets, Yotpo makes it easy for eCommerce brands of all sizes to gather high-quality product reviews that impact the path to purchase. Yotpo’s partner integrations make it easy for brands to display reviews and star ratings on social media and search engines like Google. Plus, with Yotpo Reviews, brands can also unlock synergies between SMS and loyalty.
2. Customer Service
What It Does: Customer service apps provide platforms for live chat or support ticket management, allowing merchants to assist customers in real-time.
- Examples:
- Tidio Live Chat & AI Chatbots: Tidio is a customer experience platform that enables online stores to provide excellent customer service and turn passive visitors into active buyers. It has ready-to-use sales and support chatbots that increase revenue, and immediately answer the most common questions of your customers. Managing all your customer messages in one place makes Tidio a simple, yet strong helpdesk solution for your team.
- Gorgias: Gorgias empowers ecommerce brands to grow through AI-powered customer experience. With Gorgias, you can guarantee that you’ll be able to get setup quickly, and avoid the complex onboarding of other providers. Gorgias offers users a single platform to manage every aspect of customer support, allowing agents to focus on driving sales.
- Tidio Live Chat & AI Chatbots: Tidio is a customer experience platform that enables online stores to provide excellent customer service and turn passive visitors into active buyers. It has ready-to-use sales and support chatbots that increase revenue, and immediately answer the most common questions of your customers. Managing all your customer messages in one place makes Tidio a simple, yet strong helpdesk solution for your team.
3. Email Marketing
What It Does: Email marketing apps help merchants create, manage, and automate email campaigns to engage customers and drive sales.
- Examples:
- Klaviyo: Go beyond the basics with highly targeted, personalized emails and texts that drive sales for your store and power smarter digital relationships. Easily centralize your data from 350+ integrations and use it instantly to connect seamlessly with customers across all of your channels. Start fast and continually improve with built in AI tools, proven email & automation templates, peer benchmarks, and on-demand and live assistance.
- SendLane: Sendlane’s unified email, SMS, reviews & forms solution empowers eCommerce brands to consolidate their tech stack and leverage deep-data customer insights to generate more revenue, increase retention, and deliver exceptional customer experiences on autopilot.
- Klaviyo: Go beyond the basics with highly targeted, personalized emails and texts that drive sales for your store and power smarter digital relationships. Easily centralize your data from 350+ integrations and use it instantly to connect seamlessly with customers across all of your channels. Start fast and continually improve with built in AI tools, proven email & automation templates, peer benchmarks, and on-demand and live assistance.
4. Back in Stock Alerts
What It Does: Back in stock alert apps notify customers when out-of-stock products become available again, helping to recapture lost sales.
- Examples:
- KB Back In Stock Restock Alert: all-in-one marketing tool to help you recover lost sales. Don’t miss out on lost sales with Back In Stock Alerts, Abandoned carts, and price drop notifications through Emails, and SMS Alerts. This app inserts the Notify Me!! button on out of stock products then automatically sends a notification when the product is back in stock.
- Notify! Back in Stock|PreOrder: Join merchants making revenue from out-of-stock products. Add the “Notify me” or “PreOrder” widget on the product, home, and collection pages. Send auto restock alerts via email/text/push. Show low remaining inventory with a live “only left” to create scarcity and FOMO. Get reports about lost sales and revenue recovered with reminders to convert. More presale features and details Inside the app. With pre-order, you can accept B2B and D2C pre-orders with discounts, notes, and partial payments.
- KB Back In Stock Restock Alert: all-in-one marketing tool to help you recover lost sales. Don’t miss out on lost sales with Back In Stock Alerts, Abandoned carts, and price drop notifications through Emails, and SMS Alerts. This app inserts the Notify Me!! button on out of stock products then automatically sends a notification when the product is back in stock.
In this article, we delved into must-have applications designed to enhance the efficiency of your Shopify store. Stay connected for our upcoming article, where we will embark on a journey to discover essential applications aimed at streamlining business processes. We will explore categories such as automation tools and importing/exporting.
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