At $81 billion, the iPhone maker's market cap this month alone exceeds the value of 85% of the S&P 500.
Blooom CEO Chris Costello says the firm will not develop a white labeled version of its offering, as other robos have done with their platforms.
Some providers are offering access to the industry through bundles of shares focused on businesses that run everything from airports to cell phone towers.
The new product tracks the smart beta index designed by Robert Shiller and Barclays.
International banks have been growing their wealth and asset management arms as balance-sheet lending and securities trading become less profitable.