Best free Marketing and conversion Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
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Feb 26, 2026
The Best Free Shopify marketing apps help merchants build trust, increase sales, and engage customers without spending a dime. From one-click order forms and social proof popups to product reviews and bundle offers, these essential tools simplify conversion optimization. Whether you need stock level indicators, back-in-stock alerts, or affiliate marketing solutions, this curated collection features proven apps that deliver real results for online stores. Each app focuses on specific aspects of the customer journey, making it easier to grow your Shopify business.
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#1. SendWILL (Ecomsend): grow your list with popups, send email campaigns & automate sales on autopilot.
SendWILL (Trustoo) is an all-in-one email marketing platform designed to grow your e-commerce business. Capture emails using popups, exit-intent triggers, spin-the-wheel games, and sign-up forms. Create beautiful email campaigns with the drag-and-drop editor and professional templates. Automate your marketing with welcome series, cart recovery emails, discount alerts, and customer win-back flows. Customize popup designs and email templates to match your brand perfectly. Subscribers sync automatically to Shopify and integrate with Klaviyo, Mailchimp, SMSBump, and Privy. Easy setup with no coding required. Get 24/7 support via chat or email. Drive more sales on autopilot with SendWILL.Install from Shopify App Store