2026 State of Mobile is Live!

In the ever-evolving landscape of social media, understanding audience dynamics and platform performance is paramount. Sensor Tower provides unparalleled insights into cross-platform user behavior, offering comprehensive data on web, app, and advertising trends. In this article, we explore the performance of three leading social media brands in the US—YouTube, TikTok, and Facebook—during Q1 2024, drawing on data from Q4 2023.
YouTube's digital presence is formidable, with its website, youtube.com, and the YouTube app leading the charge.
Audience Trends: From Q4 2023 to Q1 2024, YouTube maintained a stable monthly deduplicated audience above 320M. The website consistently attracted more visits, peaking at over 39B in December 2023.
App Engagement: The app saw monthly active users hovering around 260M throughout the period, indicating a strong mobile presence.
Ad Spend & Channels: YouTube's monthly advertising spend experienced fluctuations, with a notable peak in December 2023 at over $6M, primarily through TikTok and desktop video channels.
TikTok continues to capture attention with its websites, douyin.com and tiktok.com, alongside the TikTok app.
Audience Trends: TikTok's true monthly deduplicated audience remained robust, exceeding 190M. The app-only audience dominated, underscoring the platform's mobile-first strategy.
App Engagement: Monthly active users on the app remained stable, slightly above 110M, highlighting consistent user engagement.
Ad Spend & Channels: TikTok's monthly ad spend peaked at over $8M in October 2023, with mobile display and YouTube channels delivering significant impressions.
Facebook's ecosystem includes facebook.com and the Facebook app, both of which continue to engage a vast audience.
Audience Trends: Facebook's monthly deduplicated audience consistently remained over 280M, with website visits peaking at over 16B in March 2024.
App Engagement: The app maintained strong user engagement, with monthly active users exceeding 250M.
Ad Spend & Channels: Facebook's advertising efforts were robust, with a peak monthly spend of over $8M in January 2024, predominantly on Snapchat and YouTube channels.
The data from Q4 2023 to Q1 2024 illustrates the dynamic landscape of social media in the US, with YouTube, TikTok, and Facebook leading the charge. Sensor Tower's comprehensive suite of products, including Web Insights, App Performance Insights, and Pathmatics, provides unique insights into these platforms' cross-channel performance, offering critical data for understanding user behavior and advertising trends.
By leveraging Sensor Tower’s analytics, decision-makers can gain a competitive edge, optimizing strategies across digital platforms to maximize reach and engagement. Explore our offerings to unlock the full potential of your social media investments.