Originally Posted by sdsearch

I'd say it's easier to make sure you get the right results with Experian, because of the ability to sort by open date (which should be the right-most column).. With Credit Karma's unsorted list, you'd have to very carefully go through all the cards it shows (which includes all the cards you currently have open, plus all the cards you closed in the last 10 years) and make sure you catch every date correctly, even though they're in a jumbled order.

And because ti's easier to be sure you're doing it correctly, I'd say it's better to use Experian for this specific task (where you clearly want to see which cards were opened in the past 24 months).