Custom Shipping Calculator
- Ships as a reusable theme block
- No third-party app required
- Works with Shopify OS 2.0
- Deployed on 100+ live stores
Numbers we earn — not invent.
Built to move the metric you actually care about.
Native to Shopify Checkout
Built with Checkout UI Extensions — survives platform updates, no fragile hacks.
Adds without distracting
Appears in the right slot — info blocks, upsells, guarantees — without breaking checkout flow.
Works with One-Page Checkout
Fully compatible with Shopify's newer checkout UX and Shop Pay.
When to reach for this.
Last-chance upsell
Highest-intent moment in the funnel — one extra product at checkout changes your economics.
Trust reinforcement
Guarantees, shipping policies, or testimonials shown where buyers second-guess themselves.
Compliance / disclosure
Age gates, subscription disclosures, regional policies — handled natively.
The build.
Frequently Asked Questions
Still have questions?
Book a free 30-minute teardown. Live audit of your store, prioritised fix list, no pitch — yours to keep either way.
Book a callMost Checkout UI Extensions work on all Shopify plans. A few customisations (full function modification) require Plus — we'll tell you upfront which category your project falls in.
No. Checkout UI Extensions are Shopify's officially supported extensibility API — they're future-proof by design.
Yes. All copy lives in theme settings or the admin — no dev needed for text edits.
More in Checkout Extensions.
Checkout Extension: Checkbox Input
Let customers add custom notes, gift wrapping, or opt-in preferences directly at checkout.
Checkout Extension: Image Block
Add branded visuals to checkout — reinforce trust and tell your brand story.
Checkout Extension: Delivery Date Picker
Let customers pick a preferred delivery date at checkout — powers planned launches and perishables.
Faster site. Higher conversion. More profit.
Unlock Core Web Vitals 90+ and proven CRO patterns across 100+ stores.