The stock after hours was down 4.6% to $13.36 a share, after it fell 4% in the regular session.
The third-quarter loss per share came in at an adjusted 4 cents, narrower than Wall Street's estimates of 5 cents. Revenue was $446 million, beating analysts' estimates of $435 million and up 50% year-over-year.
Snap now has 210 million daily active users, better than Wall Street's expectation of 207 million. Snap had 203 million DAUs in the second quarter.
The company saw negative free cash flow of $84 million, less than Wall Street's expected $113 million.
"[The] investments we have made are continuing to drive the growth of our community and our business," Founder and CEO Evan Spiegel said in a statement.
"We are a high growth business, with strong operating leverage, a clear path to profitability, a distinct vision for the future, and the ability to invest over the long term."
Management guided for revenue of $540 million to $560 million for the fourth quarter. The $550 million midpoint lags analysts' expectation of $555 million.
Guidance for earnings before interest, taxes, depreciation and amortization was between break-even and $20 million. The midpoint of $10 million is less than estimates of $14 million.
The stock has more than doubled in 2019 to date.