The schwab one, &quot;Intelligent Portfolios&quot;, has been criticized for keeping a large(up to 7%) cash position, and stacking the allocation with some high cost &quot;Fundamental&quot; schwa index funds.<p>Betterment and Wealthfront, would be the biggest players.  WiseBanyan is interesting becuase there is not fee. Sigfig is interesting becuase it trades at your existing brokerages.