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Best free Marketing and conversion Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
•
May 28, 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.
| Name | Rate on Shopify | Price | Free trial | Key features |
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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. -
#2. Build your brand from zero? Make it grow with product reviews & testimonials that stand out
Turn your store's customer feedback into a powerful sales tool with Air Reviews. This user-friendly app helps both new and established merchants collect authentic product reviews through automated email requests. Encourage more customer reviews by offering reward discounts, then showcase the best testimonials using customizable widgets like star ratings, review carousels, and review boxes. The app's SEO-optimized review snippets help improve your visibility in Google search results, driving more organic traffic to your store. With reliable 24/7 support available even on the free plan, Air Reviews makes it simple to build trust with potential customers and convert more visitors into buyers through genuine user-generated content and product reviews. -
#3. Boost sales with smart volume discounts and bundle builder that encourage customers to buy more
Increase your AOV with multiple bundle types including volume discounts, AI-powered Frequently Bought Together, mix-and-match bundles, and fixed bundles. This bundle builder helps you create personalized offers that match your brand perfectly. The app analyzes customer behavior in real time to show the most relevant bundle offers and turn small carts into bigger orders with smart quantity breaks. Build and launch bundles in just a few clicks with no coding required. Customize your bundles your way: create fixed sets, mix-and-match options, or build-your-own kits. Get AI-recommended bundle types based on your setup idea to launch faster. Monitor customer responses, adjust bundles easily, and keep improving your results. Need help? Live customer support available 24/7. -
#4. Sell preorders & backorders with full/partial payments. Auto send back-in-stock & coming soon alerts
REZ helps you sell preorders and backorders for out-of-stock products so you never miss a sale. Accept pre-order and presale orders with full or partial payments and deposits to generate revenue early. Set up automated back-in-stock alerts and coming soon notifications to keep customers informed when products are restocked. The Notify Me feature lets shoppers join waitlists and request interest in unavailable items. Track demand and forecast inventory with built-in conversion analytics. Manage preorders easily in Shopify with deposit options and discounts to encourage sales. Quick 24/7 support helps you get started in minutes. Install REZ today to capture every sales opportunity. -
#5. Shopify Flow is your automation and integration platform for ecommerce.
Shopify Flow helps you run your online store more efficiently through smart automation and integration. Create custom workflows to handle everyday ecommerce tasks like marketing campaigns, order processing, inventory updates, and fraud monitoring. Save time by setting up automated processes that work exactly how you need them. Connect your store with popular tools like Slack and Google Sheets, or use hundreds of ready-made workflow templates. Whether you're managing tags, metafields, or B2B operations, Flow lets you add custom logic and unlimited actions to make your store work smarter, not harder. -
#6. Turn one-time buyers into loyal customers w/ rewards, points, referrals, VIP tiers, membership & POS
BLOY Loyalty Points & Rewards helps you turn one-time buyers into repeat customers with a complete loyalty program. Set up rewards, points, VIP tiers, and referrals in minutes using AI-powered suggestions tailored to your store. The app makes it easy to reward purchases and customer actions with points that drive real redemptions. Design VIP tier structures that increase retention and encourage repeat purchases. Track AOV, revenue, and redemption data to optimize your program with actionable insights you can review and apply quickly. Built for Shopify merchants who want better customer retention without the setup guesswork. Includes POS integration, automation, referral programs, and 24/7 support to help you build and scale your loyalty program effectively. -
#7. Slide cart drawer with upsells, reward bar & free shipping goal. Sticky add to cart barincluded
Essential Cart Drawer adds a customizable slide cart drawer to your store with in-cart upsells, cross-sells, and reward bars featuring free shipping goals. Set up spend tiers that unlock free shipping, free gifts, or automatic discounts as customers add items to their cart. The app includes countdown timers and announcement bars to create urgency, plus a sticky add to cart bar with product images, variant picker, and quantity selector. Choose upsell products using Shopify AI or hand-pick them yourself. Full cart customization options include discount codes, order notes, payment icons, custom HTML, and multi-language and multi-currency support for global markets. -
#8. Referral program software that builds brand trust, increases brand advocators and generates revenue.
Turn your satisfied customers into brand advocates with this referral and affiliate marketing solution. Create referral campaigns where customers earn rewards for bringing friends and family to your store. New referred customers get discount coupons on their first purchase, encouraging them to shop. Connect with influencers through bulk invites and manage their performance in one dashboard. Offer commission-based rewards or free products to influencers who drive sales. Customize the referral widget's appearance to match your brand. The automated system handles reward emails and coupon distribution, making it easy to grow your business through word-of-mouth marketing. -
#9. Upsell via progressive free shipping messages to increase AOV with free gifts, discounts and more.
Hoppy Free Shipping Bar Upsell helps you increase average order value through progressive free shipping messages and smart upsell strategies. The app displays a dynamic free shipping progress bar that encourages customers to add more items to their cart. You can place the cart progress bar anywhere - on product pages, cart pages, cart drawer, or as an announcement bar. The app offers AI-powered personalized recommendations, frequently bought together suggestions, and product recommendations for cart upsell and checkout upsells. Set up free shipping goals, add free gifts, or offer percentage and fixed discounts to motivate purchases. Messages automatically translate based on customer geography and preferences. Full support for Shopify Markets, multicurrency, and multilanguage stores makes it easy to reach global customers with targeted free delivery promotions. -
#10. Validate checkout, add payment, shipping & discount rules, checkout blocks & post-purchase upsells
SMART Checkout Rules & Upsells gives merchants complete control over their checkout experience with flexible validation rules and customization options. Hide, block, sort, or rename payment methods and shipping options based on conditions like customer tags, country, cart value, products, or discount codes. Perfect for managing high-risk orders, blocking COD or specific payment methods like PayPal and Credit Card by customer criteria. Grow your average order value with one-click post-purchase upsells and downsells that appear after checkout. Add checkout blocks including banners and discount codes with conditional display rules. Apply checkout validation and discount logic based on cart total, customer tags, or delivery method. Ideal for B2B stores, international shipping flows, and merchants who need advanced checkout control without coding. Control your checkout rules and increase conversions with smarter upsell strategies.
