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Subscription Box Builder

Let your customers build their own box — pick the products they want — and get it delivered on a recurring schedule. It’s a build-a-box subscription with the best buying experience on Shopify, native to Boost, and it works with the subscription app you already run.

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What it is

The Subscription Box Builder lets a shopper choose products from a selection you control, assemble them into a box, and subscribe to receive that box on a schedule. They can swap items, skip, pause, or edit their box anytime. You’ve seen this on leading CPG and supplement brands — “build your own box,” “build your stack.” Boost gives your customer that experience, far better than any other builder on Shopify, and it works on top of the subscription provider you already run. Every Boost plan already includes a one-time box builder. The Subscription Box Builder is the add-on that turns it recurring — the upgrade from a box customers buy once to a box they subscribe to.

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The problem it solves

Build-a-box is the format CPG customers want — and if you run subscriptions, you can already offer one. The problem isn’t access. It’s that the builder your subscription tool gives you is a bad experience:

• It’s clunky, and worst on mobile — where most of your customers shop. Every other builder crams the whole thing onto one cluttered page: box size, every product, frequency, all at once. On a phone it’s overwhelming, and people give up before they finish. A builder customers abandon makes you nothing.
• It feels bolted-on, not built-in. Build-a-box is an afterthought on most subscription tools — slow, generic, off-brand — so it underperforms even when a customer pushes through.
• And a one-time-only box leaves money on the table. For supplement and food brands the economics live in subscription. A box bought once instead of subscribed to is a fraction of the lifetime value.

Boost fixes the part that actually matters: the experience.

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How it works

Boost guides your customer through a clean, step-by-step flow — one decision at a time — instead of dumping everything on one page. It’s fast, it’s simple, and it’s built to feel effortless on a phone. 1. Choose a box size. The customer picks a size — and bigger boxes unlock bigger savings, so they’re nudged to build a fuller box from the first step. 2. Fill the box. They add the products they want, with a progress bar showing how close they are to filling it. One focused screen, no clutter, easy to tap through on mobile. 3. Set the delivery frequency. They choose how often the box ships, from the schedules you offer. 4. They manage it themselves. Swap products, skip a delivery, pause, or edit the box for the next order — all from the customer portal, no support ticket needed. Every item ships as a real line item, so your fulfillment and 3PL see exactly what’s in each box.

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What you get

• A builder customers actually finish — especially on mobile. The guided flow is the best build-a-box experience on Shopify. More completed boxes means more subscriptions from the same traffic.
• Recurring revenue from your best format. A box customers subscribe to is worth far more over time than the same box bought once — subscription lifetime value runs several times higher in CPG and supplements.
• Higher average order value. Tiered box sizes nudge bigger boxes, and a built box is a multi-product order, not a single SKU.
• Lower churn. Variety and customer control are two of the strongest retention levers — letting subscribers build and adjust their own box measurably reduces cancellations.
• Built for supplements and foods. Turn it into a stack or regimen builder — let customers assemble their daily supplement routine, or build their own food box, and subscribe to the whole thing at once. (See Stack Builder.)

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Works with your stack

• Do I have to switch subscription apps? No. The Subscription Box Builder is provider-neutral — it works with Recharge and Skio (the two biggest) and other leading subscription apps. You keep your provider, your subscribers, and your billing exactly as they are. Boost just gives your customer a far better builder on top of it.
• Is this included or an add-on? Your one-time box builder is included in every Boost plan. The Subscription Box Builder — the version that makes the box recurring — is an add-on. See Boost Plans for pricing.
• Is this another monthly bill? No — it’s an add-on inside Boost, not a separate app to install, wire up, and reconcile. One platform, one bill.
• Will it mess up fulfillment? No. Each product in the box is billed as a real line item, so your 3PL and reporting see the true contents of every order.
• Where does it run? Natively in the Boost storefront your shoppers already use — one experience, your branding, and the smoothest builder on mobile.

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🚀 Ready to launch your box?

Give your customers the best build-a-box subscription experience on Shopify. Works with the subscription provider you already run — no switching, no rip-and-replace.

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