In today's digital landscape, mobile marketing is revolutionizing the way businesses connect with their target audiences. The in-app advertising market is no exception, with its vast potential for growth and innovation. According to Mordor Intelligence, the global in-app advertising market size is expected to reach USD 614.74 billion by 2031, growing at a CAGR of 7.99% from 2026-2031.

Market Analysis

The in-app advertising landscape is undergoing significant changes, driven by advancements in technology and shifting consumer behaviors. One of the key trends shaping the market is the rise of video ads, which accounted for 37.2% of the market share in 2026. Rewarded video, in particular, is expected to expand at a 12.8% CAGR through 2031, as it aligns user incentives with advertiser goals.

Another significant trend is the diversification of platforms, with Android holding a 69.1% share and HarmonyOS capturing 19% of China's devices by end-2024. This shift has forced planners to rethink OS-level allocations, opening up new opportunities for advertisers.

Market Size and Share

The in-app advertising market size is expected to grow from USD 387.76 billion in 2026 to USD 418.73 billion in 2026, driven by robust smartphone penetration and longer in-app session times. Asia-Pacific commands the largest regional share at 38.4% in 2024, driven by mobile-first consumption and fast 5G rollout.

Key Report Takeaways

  • By ad format, video ads led with 36.74% of the in-app advertising market share in 2026; rewarded video is projected to expand at a 12.29% CAGR to 2031.
  • By platform, Android held 68.35% of the in-app advertising market in 2026, while other platforms together are projected to grow at a 14.45% CAGR through 2031.
  • By application, gaming captured 32.42% revenue share of the in-app advertising market in 2026; financial services and payments apps are advancing at a 12.98% CAGR to 2031.
  • By geography, Asia-Pacific dominated with 37.91% share in 2026, whereas the Middle East and Africa region is forecast to deliver a 10.55% CAGR through 2031.

Global In-App Advertising Market Trends and Insights

Several drivers are expected to shape the market's growth trajectory. For instance, 5G-enabled HD rewarded video monetization is projected to boost the market by +1.80%, primarily driven by Asia-Pacific's gaming apps. The rise of AI-based dynamic creative optimization is also expected to lift eCPM by +1.50%, particularly in emerging markets.

Restraints

While there are several growth drivers, there are also restraints that could impact the market's growth. For instance, Apple's App Tracking Transparency has led to a decline in audience granularity, curbing the market's potential by -1.30%. Rising ad fatigue and stricter compliance rules may also limit the market's growth.

By understanding these trends, insights, and restraints, businesses can better navigate the complexities of the in-app advertising landscape and unlock new opportunities for growth and success.