Will Big AI be out as #1 Free App in the US Apple Store by March 31?

This market will resolve to "Yes" if ChatGPT, Claude, Grok, or Google Gemini are not the iOS app ranked #1 in the United States on the iPhone Apple App Store's overall Top Charts under "Free Apps" by the specified date, 11:59PM ET. Otherwise, this market will resolve to "No". If no listed AI app is the #1 free app in the US Apple App Store at any point before the listed date, 11:59PM ET, this market will immediately resolve to "Yes". To find the overall chart, click "Apps" at the bottom of the US iOS App Store app, scroll down to "Top Free Apps" and click "See All". Then under "Free Apps" in the "Top Charts" section, you'll see the list that will be used as the resolution source to this market (https://apps.apple.com/us/charts/iphone).