Best App for Investing

How we picked the companies to evaluate:

NerdWallet reviewed the mobile apps of 17 online brokerages as well as two mobile-first investment firms. Together these providers constitute the majority of the market for mobile trading based on their assets under management. Some of the providers are NerdWallet partners, but this did not influence our selection of the winner.

How we chose the winner:

NerdWallet evaluated each provider across the weighted criteria below to determine the winner for app for investing:

  • Mobile app ratings in the Apple and Google Play app stores (44%).
  • Customer support options, including hours of availability and app/website transparency (22%).
  • Stock trading costs (15%).
  • Low or no account fees (15%).
  • Account minimum (4%).

How we verified our data:

NerdWallet writers sent detailed questions to all reviewed companies. NerdWallet writers and editors also confirmed fees, rates, policies and other key features on each company's website.