Boost AOV with Fether. Get AI Frequently Bought Together & a full Product Bundles builder. Create Related Products, Buy Together offers. Trusted by 132K stores.
Maximize AOV with Fether, robust all-in-one app for Frequently Bought Together, Product Bundles builder, and Product Add-ons. Our AI analyzes order history to generate smart upsell bundles automatically. Easily create classic Buy Together deals, show high converting Customers Also Bought sections, or display AI powered Related Products storewide. From simple cross sells to complex Amazon-like themes, Fether empowers you to quickly grow revenue with our smart and custom product bundles app.
Is there a free plan, or do I have to pay from day one?
Fether offers a free plan that includes unlimited products, 1 published bundle, basic bundle customization, and widget display on the product page — but it is limited to Shopify Basic, Trial, Lite, and Pause plans. Paid plans start at $15/month for Shopify Basic (with a $1 first-30-days trial) and $45/month for Shopify Plus. Note that some reviewers flag that key features like AI-powered recommendations, unlimited bundles, and upsell widgets on all pages are locked behind the paid tier.
What exactly does the AI do — will it work for a new store with little order history?
Fether's AI analyzes your store's order history and real-time data to automatically generate frequently-bought-together suggestions and upsell bundles — no manual pairing required. Because the AI learns from your historical and real-time sales data, newer stores with limited order history may see less accurate recommendations initially, though merchants can also manually hand-pick products to blend with AI suggestions.
Will this app slow down my store or conflict with my existing theme?
Fether holds a 'Built for Shopify' badge, meaning it meets Shopify's highest standards for performance, design, and integration. Multiple merchant reviews confirm it does not impact page loading speed and integrates without code edits or theme conflicts — one reviewer specifically noted 'it synced with my store data right away' with 'no code edits, no theme issues.'
How difficult is setup — can I do it without a developer?
Setup is designed to be no-code: merchants report it takes just minutes to install and go live, with a drag-and-drop page builder for customizing product pages. The app is managed entirely within the Shopify admin in a native experience, so no developer is needed for standard configurations.
What happens to active discounts and bundles if I uninstall the app?
This is an important gotcha: at least one merchant reported that bundle discounts continued firing after uninstalling the app. Fether's own support response confirms you must manually unpublish all bundles and deactivate all discounts created by the app *before* removing it — otherwise Shopify-level discounts may remain active and accessible to customers, leading to unintended revenue loss.
Which tools and page builders does it integrate with?
Fether integrates natively with Shopify Checkout, Customer Accounts, Shopify Flow, and Shopify Admin. It also works with popular third-party page builders including EComposer, PageFly, and GemPages, and connects with OpenAI for its recommendation engine. Currency conversion and localization are also listed as supported features for international stores.
What do other merchants say about the support team?
The majority of merchants (81% of 338 reviews give 5 stars, overall 4.5/5) praise the support team as responsive and effective at resolving issues quickly. However, a small number of negative reviews cite language-barrier difficulties and slow response times, so support quality appears inconsistent. Paid plan users receive priority support, which may improve the experience.