OngoingAI

PackOS Checkout usage & market intelligence

Shopify rating

5.0 ★

1 reviews

Pricing
Free trial available
Starter$50/month

14-day free trial · or $540/year and save 10%

  • 1,000 checkout rate calculations/mo
  • Real-time rates at checkout
  • Box size library
  • Label purchasing
  • 90-day margin history
Basic$105/month

14-day free trial · or $1,134/year and save 10%

  • Everything in Starter
  • 3,000 checkout rate calculations/mo
  • 6-month margin history
  • CSV import
Growth$199/month

14-day free trial · or $2,149.20/year and save 10%

  • Everything in Basic
  • 8,000 checkout rate calculations/mo
  • Automation rules
  • 12-month margin history
  • Priority email support
Pro$399/month

14-day free trial · or $4,309.20/year and save 10%

  • Everything in Growth
  • 20,000 checkout rate calculations/mo
  • Advanced automation rules
  • Multiple ship-from locations
  • Priority chat support
What does PackOS Checkout do?

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

  • Bin-packing engine selects the recommended box for each order automatically
  • Live carrier rates from USPS, UPS, and FedEx returned at checkout
  • Configurable box inventory, carrier settings, and shipping rules

Features

Shipping ratesFlat feeCarrier-basedDimension-basedProduct-basedQuantity-basedWeight-basedZIP/post codeMulti-zoneMulti-originAddress validationCustom rules
Review history
Daily review count on the Shopify App Store
1+1 · 29d· Rating 0.0★ → 5.0
Aug 17Sep 14

Daily tracking from Aug 10, 2026 through today · 29 days observed · sign up free for the full history →

Catalog position
Within Shipping rates on the App Store
Rank by reviews
#150 of 365
Review percentile
59th
Rating percentile
100th
On the App Store
0.3 yrs
Works with
Integrations listed for PackOS Checkout
Shopify Admin

Frequently asked questions

Show accurate carrier-calculated shipping rates at Shopify checkout. PackOS picks the right box per order and returns live USPS, UPS, and FedEx rates. It's a shipping rates tool for ecommerce stores.