PackOS Checkout

Live shipping rates priced to the right box, not guesswork

van PackOS · Gelanceerd: mei 2026

5.0 (1) op Shopify

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Show accurate carrier-calculated shipping rates at Shopify checkout. PackOS picks the right box per order and returns live USPS, UPS, and FedEx rates.

Download in Shopify →

Over PackOS Checkout

PackOS solves the problem of inaccurate shipping rates at checkout. When box size is estimated incorrectly, merchants either overcharge customers and lose carts, or undercharge and lose margin. PackOS uses bin-packing logic to determine which box an order actually fits in, then queries live rates from USPS, UPS, FedEx, and other carriers for that specific package. Merchants configure their box inventory once, set their carrier preferences, and PackOS handles the rest automatically at checkout.

Laatst geverifieerd: October 29, 2026 · Fresh

App-details

Ontwikkelaar: PackOS
Categorie: Orders & shipping
Prijzen: Betaald
Gelanceerd: mei 2026
Beoordeling: 5.0 (1) op Shopify

Belangrijkste functies

1,000 checkout rate calculations/mo
Real-time rates at checkout
Box size library
Label purchasing
90-day margin history

Integraties met:

Checkout Shopify Admin

4 abonnementen · gratis proefperiode van 14 dagen

Starter

$50/month

Basic

$105/month

Growth

$199/month

Pro

$399/month

Abonnementen en prijzen zoals vermeld in de Shopify App Store.

Beoordelingen en reviews

gebaseerd op 1 Shopify App Store-reviews

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PackOS has helped our company to FINALLY have shipping rates to match exactly what the customer actually orders. Talk about long overdue! In the past, we had shipping groups set up in Shopify to hopefully get us close. This was the closest thing we could get to what we wanted, and sometimes it was still WAY off. Some orders were undercharged which was hurting our bottom line. One the other side o...

— 38 Motorsports LLC

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