LinkedOption (formerly King Linked Options) links separate products as variants with color swatches or image swatches on product pages and product cards. Product grouping for combined listings. Group products as image variant siblings. Customize swatch styles with flexible options. Unique variant titles and descriptions for SEO, create product groups in bulk, and combine product listings with multi-option swatches. Auto-hide unavailable items.

Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile.

Turn reviews into revenue-driving levers with verified authenticity. Collect product, company, and photo/video UGC with automated email and SMS requests. Showcase reviews, star ratings, and UGC across your site, Google, social, and email with customizable widgets. Increase visibility, trust, and conversions with Google review integrations, AI-powered analytics, and loyalty-ready features. REVIEWS.io is part of the Clearer.io suite built to grow lasting customer relationships.

EasyGift helps you automatically add to cart any free gifts or product add on based on custom rules. You'll become a monster upsells brand with these kinds of add to cart upsells and BOGO / Buy 1 Get 1 offers. With a super simple UI, creating rules for free gift upsell is as easy as meditation for a monk. You can choose to generate cartbot like rules for cart upsells based on the total cart value or specific products. You can even decide when to activate the offer by scheduling a start time.

Klaviyo Reviews collects text, photo, and video reviews with automated email and SMS requests from prebuilt flows. Verified reviews build trust, and AI helps customers write reviews and drafts your replies in your brand voice. Show ratings, summaries, and reviews in on-brand widgets, sync to Google Shopping, and add custom questions. Because reviews live in your CRM, segment on ratings, personalize across channels, feature reviews in campaigns and flows, and route low ratings to support.