Go beyond Shopify native product option limits. Create option sets to apply across products or add product-level options. Dynamically update product price based on the options the shopper selects. From swatches to file uploads & dimensional formula-based price calculator, build product options that fit any configuration. Build multi-step flows, add advanced rules like show/hide. Bulk edit to manage large catalogs fast. Bundle upsells as product add-ons to grow AOV. No-code setup.

Sell more with email marketing, SMS, newsletters, and web push in one app — turn visitors into customers and repeat buyers. Connect ChatGPT or Claude to Omnisend via MCP: create campaigns and build segments without leaving the chat. Omnisend's AI marketing writes on-brand copy and powers product recommendations. Grow your email list with popups and signup forms, then let marketing automation run abandoned cart and welcome automation. Plus 24/7 email & live chat support and 200+ integrations.

Go beyond the basics with Klaviyo’s AI-first B2C CRM. Klaviyo syncs Shopify data in milliseconds so every message and insight reflects what’s happening in your store right now. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and AI customer service tools that turn browsers into buyers.

Create unlimited custom options in minutes – no code needed. Let customers preview their custom texts, images, and design inputs live on product images – perfect for POD, gift, and custom products. Use swatches, dropdowns, checkboxes, text fields & more to personalize every shopping journey. Boost sales with add-on pricing, upsells & smart conditional logic. Seamlessly sync with orders, emails & packing slips for easy tracking and fulfillment. Mobile-optimised and backed by real humans 24/7.

Smile makes it easy to create a fully branded loyalty program that keeps customers coming back. Reward purchases with points, offer exclusive VIP perks, and thank your biggest fans for sharing with friends. Run engaging promotions like 2x points weekends and special VIP pricing to drive conversions, amplified across every channel with Klaviyo. Powerful analytics give you clarity, confidence, and benchmarks against top brands. Join thousands of Shopify merchants growing with Smile today!