They're pretty much the same, older-design 14-69 antennas. You probably won't notice any difference unless it breaks. They you'll find one has a lifetime warranty, and the other has a very short warranty and you own a broken antenna.
Of course, there is a new version from Antennas Direct, the DB2e, that has been upgraded to the new UHF channel band and performs very well. Solid Signal, on the other hand, chose to put their name on some white box Chinese generic UHF antenna