September 2026 app revenue: AI features moved behind higher subscription tiers, and Grok entered the Top 30

The most interesting AI revenue signal in September wasn’t just ChatGPT holding #1. It was how AI features were packaged—Grok’s new model limited to higher paid tiers, Meta One bundling higher Meta AI/Business Agent quotas, and Google Photos tying Gemini/AI wardrobe features to Pro/Ultra. Top 30 AI signals - ChatGPT remained the global revenue champion with $417.3M in September, still growing MoM, with its top position hard to challenge. - The AI category continued to show revenue resilience: besides ChatGPT’s continued revenue expansion, Claude’s revenue dipped slightly but its rank moved up a little. - xAI’s Grok took #25, and the revenue ceiling for AI apps continues to rise. Grok - Grok: $29.2M two-platform revenue in September, nearly 18% MoM growth. - US contributed the most at 41%, followed by Japan 6% and Germany 4%. - On Sep 19, Grok Imagine and voice features were updated: Imagine opened text-in-image editing and precise editing, and paid tiers support keyframes mid-video. - On Sep 21, Grok 4.7 launched. The new model is only available to higher paid tiers—free and $10 Lite users would need to upgrade to at least $30/month SuperGrok, directly pulling revenue. Facebook - Facebook: $28.4M two-platform revenue in September, >185% MoM growth; US contributed the most at 32%. - Meta officially launched the new Meta One subscription service globally on Sep 15. - Meta One bundles verification and business benefits with higher Meta AI/Business Agent quotas into a unified subscription plan, with tiers from $14.99/month up to $499/month. - The higher-tier plans pulled up average contribution per paying user. Google Photos - Google Photos: $19.3M two-platform revenue in September, >528% MoM growth; US contributed the most at 28%, followed by Japan 8% and Brazil 6%. - Of five September updates, only two were money-related: - Gemini Spark connected to the photo library: with one sentence, users can have AI pick photos, brighten, batch-crop and share. Available from Sep 5, only for US Pro/Ultra subscribers. - Wardrobe (AI digital wardrobe): scans outfits in your photos from the last four years, automatically builds a digital wardrobe, and supports virtual try-on. Expanded in the US from Sep 7; opened on both platforms to the US, India and Brazil on Sep 24; requires Pro or Ultra subscription. AI apps outside the Top 30 with high September growth - Goodnotes, an AI note-taking and document management app: $13.3M two-platform revenue, nearly 69% MoM growth; US 14%, Japan and Germany 7%. - Tipsy Chat, an AI role-playing app: $8M, about 55% MoM growth; US 35%, Germany 13%, Italy 6%. - Plaud, an AI recording tool: $6M, >22% MoM growth; US 18%, Japan 13%, Brazil 8%. - Suno, an AI music creation app: $5M, nearly 27% MoM growth; China 48%, US 13%. - Chai, an entertainment-oriented AI character social app: $4.9M, about 63% MoM growth; US 28%, China 25%. - Quizlet, an AI flashcard learning tool: $4.5M, >41% MoM growth; US 50%.