I've used both. It came down to stamps.com not being worth the monthly fee just to print regular postage stamps that I can buy at the corner store for no extra fee (or buy on usps.com and have them shipped to me)! 99% of my customers paid with paypal so the option of printing the postage for no fee was MUCH easier.
Of course you can always sign up for the 30 day trail, print out the postage they give you, and print out a bunch of stamps for future use, then cancel....and you get to keep the digital scale they send as a gift.
at 1:33 PM on Jun. 29, 2011