Best free Marketing and conversion Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
•
Aug 21, 2025
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. Trustoo (Ecomsend): grow your Email & SMS marketing list with popups to boost your sales.
Grow your email and SMS marketing list effectively with Trustoo's customizable popup solutions. Create engaging email signup forms, exit-intent popups, and interactive wheel games to capture potential customers before they leave. The popup builder lets you design forms that match your brand's look, complete with discount offers to increase conversions. All subscribers are automatically added to your Shopify account, making it compatible with popular marketing platforms like Klaviyo, Mailchimp, and SMSBump. Set up is quick with no coding needed, and our support team is available 24/7 via chat or email to help you succeed in growing your customer base.Install from Shopify App Store
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#2. One click upsell and cross sell. Show frequently bought together product upsell & related products.
Increase your average order value with Essential Upsell's smart product recommendations. Show customers frequently bought together items, related products, and add-ons directly on product pages and in the cart drawer. Create effective upsell strategies with "also like" suggestions, product bundles, and buy-one-get-one offers. The app lets you set up one-click upsells and automatic pre-purchase discounts to encourage more sales. Customize your product recommendations and cross-sell widgets to match your store's look while making it easy for shoppers to discover complementary items. Perfect for merchants wanting to grow cart value through strategic product suggestions and bundle offers.Install from Shopify App Store
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#3. Affiliate program & Referral marketing tool to drive sales via ambassadors and influencers marketing
Turn your store's customers into revenue-generating affiliates with this complete affiliate and referral marketing solution. Create custom signup forms, set flexible commission rules, and provide affiliates with automatic referral links and coupon codes. Track sales performance through an intuitive dashboard that helps influencers and brand ambassadors monitor their marketing results. Convert more customers into affiliates using smart post-purchase popups on order pages. Share marketing materials and manage your affiliate program all in one place. Perfect for stores looking to grow sales through influencer partnerships and customer referrals.Install from Shopify App Store
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#4. Send review requests with discounts to gather photo reviews and video reviews by product reviews app
Doran is a complete product reviews and Q&A solution that helps you build customer trust through authentic feedback. Collect and display photo reviews, video reviews, and customer testimonials using customizable review widgets and carousel displays. The app makes it simple to send automated review requests with discount incentives to encourage more customer responses. Import existing reviews from platforms like Amazon, AliExpress, Loox, and others with just a few clicks. With support for multiple languages and detailed analytics reports, you can effectively manage customer feedback across your store. The user-friendly interface lets you showcase reviews in 9 different widget styles while automated email campaigns help maintain steady review collection. Track performance through daily and weekly reporting to understand how customer feedback impacts your business.Install from Shopify App Store