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Best free Marketing and conversion Shopify apps in 2027 [Updated]
PickYourApp Review Team
6 min read
•
Oct 05, 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. Sell more per order with Volume Discount, Frequently Bought Together, Product Bundles & Upsells
AOV.ai Bundles helps you sell more per order by turning single-item purchases into multi-product carts. This app combines volume discounts, frequently bought together recommendations, product bundles, mix-and-match options, and upsells in one simple install. Create volume discount tiers that reward customers for buying in bulk. Display 2-5 related products on every product page with optional checkout discounts. Build frequently bought together offers that feel natural to shoppers. Let customers create their own combos with mix-and-match bundles, or set up fixed product bundles and dedicated bundle builder pages. Six offer types run on one engine, so you can skip installing multiple apps. The app works seamlessly with all Online Store 2.0 themes, including Dawn and Horizon. Customize offers to match your storefront, target the right shoppers, and track what each promotion earns. -
#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. 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. -
#4. 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. -
#5. Take pre-orders with deposits, send back in stock alerts on restock, and hide payment methods
This app lets you take pre-orders and backorders on sold-out products, or run presales for upcoming launches with coming soon countdowns. Customers can pay in full, pay a deposit, or pay later - the app automatically charges the remaining balance on your chosen date, days after checkout, or when you fulfill orders, with payment retries and reminder emails included. Build waitlists with a Notify me button that sends back in stock alerts automatically when you restock products. Set pre-order limits, markets, discounts and ship dates for each campaign. Add pre-order buttons, badges and countdowns to your product pages. The app also includes checkout payment rules to hide, sort and rename payment methods based on country, cart contents or customer type, giving you complete control over the checkout experience. -
#6. 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. -
#7. Run free gift with purchase offers that auto add gifts to cart, with BOGO & Buy X Get Y upsell
Tek Labs helps you create free gift with purchase offers, BOGO deals, and Buy X Get Y promotions that increase your average order value. This trusted upsell app automatically adds gifts to cart or lets customers choose their own rewards. Set up volume discounts, product bundles, and cart upsell offers with beautiful, fully customizable widgets that display on product pages, cart, popup, and checkout. The cart progress bar with multi-tier gift rewards motivates shoppers to buy more. You May Also Like recommendations drive additional sales. Strong upsell revenue results prove this app works. Live chat support is available whenever you need help. -
#8. Custom loyalty, Rewards & Referral program with Vip Tiers, Point Multipliers, Dedicated Loyalty Page
Casa Loyalty Points & Rewards helps you build customer loyalty through a complete rewards program featuring points, VIP tiers, referrals, store credits, and gift cards all in one platform. Reward customers at checkout, via POS, on your dedicated loyalty page, and customer account page. This app specializes in advanced custom loyalty solutions for Shopify Plus stores. Set up point multipliers, spending goals, birthday rewards, and social media engagement rules to create a personalized experience. The loyalty program works seamlessly online and in-store with Shopify POS integration. Casa embeds directly on product pages, cart, checkout, thank you pages, and landing pages. It integrates with Klaviyo, Judge.me, Omnisend, Shopify Flow, and 25+ other apps. The platform supports multiple languages and offers 24/7 live chat with dedicated account managers and founder-led support for your loyalty program needs. -
#9. Bundles & Discounts: BOGO, Buy X Get Y, Volume, Tiered Pricing & Quantity Breaks to Boost AOV
SMART Bundles Volume Discounts helps you increase average order value with automatic discounts and bundle deals that work seamlessly at checkout. Create product bundles, BOGO offers, Buy X Get Y promotions, volume discounts, quantity breaks, and tiered pricing based on products, collections, variants, customer tags, or cart value. The app supports both automatic discounts and discount codes, letting you run multiple promotions simultaneously without conflicts. Shoppers see their savings displayed clearly in the cart drawer and at checkout, creating a transparent discount experience that reduces cart abandonment. Set up mix and match bundles, bundle deals, and code-based promotions with no coding required. -
#10. Urgency app with countdown timer bar, flash sale timer, product countdown, and sales countdown clock
This countdown timer bar app helps turn store visits into sales by creating urgency with flash sale timers and sales countdown clocks. Use fixed-date countdown timers to build anticipation for holidays, promotions, or product launches. Set up evergreen timers for personalized countdowns or use recurring daily timers for ongoing campaigns. The urgency bar and product card timer work across your homepage, product pages, cart, and password page. Display flash sales with a sticky countdown timer bar that keeps offers visible storewide. Add countdown clocks with coupons to drive urgency and increase conversions during your sales events.
