All major entertainment apps are converging into universal platforms, and AI is accelerating this trend. The market for single-format apps has reached maturity, pushing companies to compete on time spent and revenue per user rather than new sign-ups. Creators now work across multiple formats, making it logical for platforms to host all their content. AI makes it easier to build and run diverse formats well, and a wider content mix increases user engagement, driving both ad revenue and subscriptions.

Netflix has added gaming, live sports, short video clips, and podcasts. Spotify expanded from music to video podcasts, social features, fitness classes, audiobooks, and even physical book sales. YouTube, originally for longer creator content, now offers short-form videos, podcasts, gaming, music, movies, TV, sports, news, and shopping. TikTok, known for short videos, supports long-form content, travel planning, shopping, and has standalone apps for microdramas and sporting events. While each service still has differentiators, the trend is toward a common set of features: content to watch, listen to, play, or shop.

Format is no longer a differentiator; value now comes from how well an app connects users with what they want next. AI enables cross-format recommendation and personalization. Spotify is testing tools to let users edit their Taste Profile and chat with AI to build playlists of diverse content. Netflix uses new model architectures to improve personalization and speed up feature development. YouTube uses generative AI for creator tools, search, conversational AI, playlist building, and auto-dubbing; over a million channels used its AI creation tools and 20 million consumers used its Gemini-powered discovery tool in December. TikTok has an in-app AI chatbot, AI video-creation tools, AI-driven search and recommendations, and AI accessibility features. All four are applying AI to their ad stacks for writing ads, targeting, pricing, and measurement.

For consumers, this convergence reduces reasons to switch apps, giving whichever platform they land on more data and lock-in, making it harder to leave even if prices rise or quality drops. The coming battle is no longer about which format will win, but which app will become the default destination for entertainment, regardless of form.