App Store (Free)
Muse from Meta climbs 2 to 1 on the App Store Top Free board dated 2026-09-18T06:01:36.869406, passing ChatGPT, which eases to 2. TechCrunch dated September 10 said Sensor Tower counted more than 83,000 U.S. iOS downloads as Muse hit No. 2 overall; AppRank still listed the app at U.S. free No. 2 on September 17. Amazon Prime Video is new at 3. Dropped: PineDrama, Claude by Anthropic.
Top trending apps on App Store Free: September 18
Muse from Meta: Meta personal AI agent app (U.S. only at launch). TechCrunch said it rose from U.S. free No. 4 to No. 2 by September 10. AppRank collected store metadata on September 17 listing version 7.1 and a 4.9 rating on 13,344 U.S. ratings. Climbs 2 to 1 on this App Store Top Free API snapshot.
ChatGPT: OpenAI consumer app. Eases 1 to 2 after holding 1 on September 17.
Amazon Prime Video: Amazon video app. New at 3. No widely reported store-feature note dated September 18 beyond the rank itself.
Vinted: Pre-loved marketplace: Secondhand fashion marketplace. Eases 3 to 4.
Five Guys Burgers & Fries: Restaurant ordering app. Climbs 10 to 5.
Kalshi: Trade Football & more: CFTC-regulated prediction market app, football-labeled in the store name, on a Thursday Night Football date (Bills 41-31 Lions). New at 6.
Polymarket: Trade Live Sports: Live-sports prediction app. Climbs 9 to 7.
Google Gemini: Google consumer AI app. Eases 4 to 8.
TikTok Pro - Events: TikTok events client. Eases 6 to 9.
Depop - Buy & Sell Clothes: Secondhand fashion app. Eases 5 to 10.
The live ranked board beyond this top 10 is available via the Trends MCP API. Get your free API key
What changed on App Store Free since yesterday
- New: Amazon Prime Video (3), Kalshi: Trade Football & more (6).
- Movers: Muse from Meta 2 to 1; ChatGPT 1 to 2; Vinted 3 to 4; Five Guys 10 to 5 (plus 5); Polymarket 9 to 7; Gemini 4 to 8; TikTok Pro 6 to 9; Depop 5 to 10.
- Dropped: PineDrama - Short Dramas (7), Claude by Anthropic (8).
What today's App Store Free apps reveal
Meta's agent app completed a week-long climb past ChatGPT on this board. Two prediction-market clients occupy 6 and 7 on the same night Josh Allen trended on X. Resale fashion (Vinted, Depop) still fills 4 and 10.
Claude leaving the top 10 is the largest AI dropout. Prime Video at 3 is a media one-off, not part of the AI cluster that held 1, 4, and 8 yesterday.
Track these trends in real time with Trends MCP
This ranked list came from the Trends MCP get_top_trends tool. The same API is built for analysts, editors, and developers who need a dated board instead of a screenshot. The matching data source page is App Store Top Free API.
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