Pirate Ship shines with USPS discounts up to 87% off and easy-to-use free...

https://technivorz.com/does-shippo-really-offer-strong-ups-rates-compared-to-other-tools/

Pirate Ship shines with USPS discounts up to 87% off and easy-to-use free accounts, but their support is email-only, which can slow things down. Shippo is a better fit if you need faster help or want DHL Express shipping options