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Best Works with Shop's sign in features Shopify apps in 2027 [Updated]
PickYourApp Review Team
6 min read
•
Aug 23, 2026
The best Shopify apps for Shop's sign in features help merchants capture leads and grow their marketing lists through engaging tools like quizzes, pop-ups, and forms. From Octane AI's product recommendation quizzes to Wheelio's gamified pop-ups, these apps integrate seamlessly with email and SMS marketing platforms like Klaviyo. With customizable forms and targeted lead capture solutions, merchants can build subscriber lists while delivering personalized experiences that convert visitors into customers.
| Name | Rate on Shopify | Price | Free trial | Key features |
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#1. Build email marketing, SMS, and WhatsApp campaigns powered by AI to grow ecommerce sales.
Klaviyo is an AI-powered email marketing, SMS, and WhatsApp platform designed for Shopify stores. This B2C CRM syncs your Shopify data in real-time, ensuring every campaign reflects current store activity. Connect data from 350+ integrations to create personalized marketing campaigns across multiple channels. Use AI Agents to build automated workflows, smart customer segments, and targeted messages that convert browsers into buyers. The platform includes email marketing, SMS, WhatsApp messaging, mobile push notifications, and pop-ups. Composer helps you launch on-brand campaigns quickly, while Customer Hub and Customer Agent turn service interactions into sales opportunities. Over 117,000 brands trust Klaviyo to grow their ecommerce sales with data-driven personalization and marketing automation that actually works. -
#2. Boost Sales with AI Quizzes & Funnels That Guide Shoppers, Personalize Products, & Drive Conversions
Octane AI helps DTC brands convert shoppers into sales with AI-powered quizzes and smart funnels. Create personalized product recommendations automatically using advanced quiz features that guide customers to the right products at the right moment. Collect zero-party data to build rich customer profiles and deliver tailored shopping experiences that reduce returns. The app includes a Shopping Assistant that displays quizzes in popups, Smart Products for immediate recommendations, Smart Copy for personalized quiz results, and an Image Analyzer where customers upload photos for AI analysis like shade matching. Optimize conversions with built-in A/B testing and performance tracking. Works seamlessly with Klaviyo, Postscript, Attentive, and other platforms to maximize your marketing efforts. -
#3. Boost your email and SMS lead generation with gamified fully customizable pop-up forms.
Make email and SMS lead collection engaging with interactive gamified pop-up forms. Choose from multiple game styles including wheel spins, scratch cards, and slot machines to capture visitor information. The pop-ups help you collect email addresses, SMS numbers, push notification subscribers, and messenger leads while reducing lost traffic. While offering advanced customization options and features, the forms remain simple to set up and won't slow down your website. Connect easily with your preferred email and SMS marketing services through various integration options. Turn casual visitors into leads by making sign-ups fun and rewarding for your site visitors. -
#4. Grow your contact list and convert new leads with Shopify’s customizable forms tool.
Create professional forms that convert visitors into valuable leads with this customizable Shopify forms builder. Design both inline and pop-up forms to collect wholesale inquiries, newsletter signups, and customer information. Match your store's branding with custom colors and images, offer discount incentives, and reach global customers with multi-language support. The forms integrate seamlessly with Shopify's customer data platform, letting you build detailed profiles and track form performance. Securely manage submissions, segment your audience, and use insights to improve conversion rates. Perfect for growing your contact list and generating qualified leads that turn into sales. -
#5. Email & SMS Lead Capture | Highly-Targeted Pop-Ups | Personalized Website Experiences that CONVERT
Justuno helps online stores convert visitors into customers through smart marketing tools and analytics. Create eye-catching email and SMS capture pop-ups, personalized website experiences, and targeted promotions that drive results. The platform offers advanced design options, visitor segmentation, and detailed conversion tracking. Engage shoppers with custom games, intelligent product recommendations, and exit offers to reduce cart abandonment. Whether you're building your email list, recovering lost sales, or creating personalized shopping experiences, Justuno delivers the marketing features you need to grow your online business and improve conversion rates.