What is a shipping aggregator?

A company that buys shipping services in bulk from major carriers (like USPS, UPS, FedEx) and resells them to lower-volume shippers at a discount. Most shipping software acts as a shipping aggregator to provide users with better rates than they could get on their own.

Who uses one?

Online stores managing shipping and labels

What does it cost?

Pricing varies. The cheapest provider in our Top 11 starts around $9.99/mo. See the cheapest providers ranked.

How do I pick one?

Read the full methodology for our 9.4-point scoring framework, then look at the canonical ShipStation vs Shippo vs Easyship: 11 Best Shipping Software for Ecommerce 2026. If you want a slice of the ranking by price, fit, or compliance, jump to: cheapest · highest-rated · fastest onboarding.

Source: Top 11 ShipStation vs Shippo vs Easyship: 11 Best Shipping Software for Ecommerce 2026, verified June 12, 2026.