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STORE INTELLIGENCE · JULIA CHAN · OCTOBER 2019

Top Social Media Apps in the U.S. for September 2019 by Downloads

See the top social media apps in the U.S. for September 2019 by downloads, according to Sensor Tower data.

Top Social Media Apps in the U.S. for September 2019 by Downloads

Instagram was the most downloaded social media app in the United States for September 2019 with close to 4.9 million installs, which represented a 79 percent increase from September 2018. The full top 10 ranking of social media apps in the U.S. by downloads for September 2019 is above. App download estimates are from Sensor Tower’s Store Intelligence platform.

TikTok was the second most installed social media app in the U.S. last month with close to 4.6 million installs, which represented a 52 percent increase from September 2018. Snapchat, Facebook, and Pinterest rounded out the top five most installed social media apps in the U.S. for the month.

Store Intelligence users can see app download estimates for the above apps in addition to historical performance metrics on the Sensor Tower platform. Our estimates include downloads for the App Store and Google Play in the U.S. between September 1, 2018 and September 30, 2019. Apple apps and Google pre-installed apps are excluded. We report unique installs only. Android estimates do not include third-party stores. Figures represent aggregate installs of all app versions, ex: Facebook and Facebook Lite.


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Julia Chan

Written by: Julia Chan, Mobile Insights Analyst

Date: October 2019

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