icon for #1 Free App in the US Apple App Store on April 21?

#1 Free App in the US Apple App Store on April 21?

icon for #1 Free App in the US Apple App Store on April 21?

#1 Free App in the US Apple App Store on April 21?

Ended: Apr 21

May 15

Ended: Apr 21

May 15

ChatGPT 100.0%

Google Gemini <1%

Claude by Anthropic <1%

Google <1%

$11,070 Vol.

$11,070 Vol.

Apr 21, 2026

icon for ChatGPT

ChatGPT

$4,743 Vol.

Yes

icon for Google Gemini

Google Gemini

$730 Vol.

No

icon for Claude by Anthropic

Claude by Anthropic

$850 Vol.

No

icon for Google

Google

$875 Vol.

No

icon for Meta AI - Assistant & Glasses

Meta AI - Assistant & Glasses

$952 Vol.

No

icon for Threads

Threads

$579 Vol.

No

icon for Freecash - Get Paid Real Money

Freecash - Get Paid Real Money

$702 Vol.

No

icon for TurboTax: File Your Tax Return

TurboTax: File Your Tax Return

$586 Vol.

No

icon for Netflix Game Controller

Netflix Game Controller

$1,052 Vol.

No

ChatGPT 100.0%

Google Gemini <1%

Claude by Anthropic <1%

Google <1%

$11,070 Vol.

$11,070 Vol.

Apr 21, 2026

icon for ChatGPT

ChatGPT

$4,743 Vol.

Yes

icon for Google Gemini

Google Gemini

$730 Vol.

No

icon for Claude by Anthropic

Claude by Anthropic

$850 Vol.

No

icon for Google

Google

$875 Vol.

No

icon for Meta AI - Assistant & Glasses

Meta AI - Assistant & Glasses

$952 Vol.

No

icon for Threads

Threads

$579 Vol.

No

icon for Freecash - Get Paid Real Money

Freecash - Get Paid Real Money

$702 Vol.

No

icon for TurboTax: File Your Tax Return

TurboTax: File Your Tax Return

$586 Vol.

No

icon for Netflix Game Controller

Netflix Game Controller

$1,052 Vol.

No

This market will resolve according to the iOS app, ranked #1 in the United States on the iPhone Apple App Store's overall Top Charts under "Free Apps", as of 12:00 PM ET on the specified date. 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).

Outcome proposed: Yes

No dispute

Final outcome: Yes

This market will resolve according to the iOS app, ranked #1 in the United States on the iPhone Apple App Store's overall Top Charts under "Free Apps", as of 12:00 PM ET on the specified date. 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).

Outcome proposed: Yes

No dispute

Final outcome: Yes

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Frequently Asked Questions

"#1 Free App in the US Apple App Store on April 21?" is a prediction market on Polymarket with 9 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "ChatGPT" at 100%, followed by "Google Gemini" at 0%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "#1 Free App in the US Apple App Store on April 21?" has generated $11.1K in total trading volume since the market launched on Apr 17, 2026. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "#1 Free App in the US Apple App Store on April 21?," browse the 9 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "#1 Free App in the US Apple App Store on April 21?" is "ChatGPT" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "Google Gemini" at 0%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "#1 Free App in the US Apple App Store on April 21?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.

Yes. You don't need to trade to stay informed. This page serves as a live tracker for "#1 Free App in the US Apple App Store on April 21?." The outcome probabilities update in real-time as new trades come in. You can bookmark this page and check the comments section to see what other traders are saying. You can also use the time-range filters on the chart to see how the odds have shifted over time. It's a free, real-time window into what the market expects to happen.

Polymarket odds are set by real traders putting real money behind their beliefs, which tends to surface accurate predictions. With $11.1K traded on “#1 Free App in the US Apple App Store on April 21?,” these prices aggregate the collective knowledge and conviction of thousands of participants — often outperforming polls, expert forecasts, and traditional surveys. Prediction markets like Polymarket have a strong track record of accuracy, especially as events approach their resolution date. For example, Polymarket has a one month accuracy score of 94%. For the latest stats on Polymarket’s prediction accuracy, visit the accuracy page on Polymarket.

To place your first trade on "#1 Free App in the US Apple App Store on April 21?," sign up for a free Polymarket account and fund it using crypto, a credit or debit card, or a bank transfer. Once your account is funded, return to this page, select the outcome you want to trade, enter your amount, and click "Trade." If you're new to prediction markets, click the "How it works" link at the top of any Polymarket page for a quick step-by-step walkthrough of how trading works.

On Polymarket, the price of each outcome represents the market's implied probability. A price of 100¢ for "ChatGPT" in the "#1 Free App in the US Apple App Store on April 21?" market means traders collectively believe there is roughly a 100% chance that "ChatGPT" will be the correct result. If you buy "Yes" shares at 100¢ and the outcome is correct, you receive $1.00 per share — a profit of 0¢ per share. If incorrect, those shares are worth $0.

The "#1 Free App in the US Apple App Store on April 21?" market has been resolved. The final result has been determined and the market is no longer open for trading. You can still review the historical odds, outcome probabilities, and comments on this page to see how predictions evolved over time.

The "#1 Free App in the US Apple App Store on April 21?" market has an active community of 281 comments where traders share their analysis, debate outcomes, and discuss breaking developments. Scroll down to the comments section below to read what other participants think. You can also filter by "Top Holders" to see what the market's biggest traders are positioned on, or check the "Activity" tab for a real-time feed of trades.

Polymarket is the world's largest prediction market, where you can stay informed and profit from your knowledge of real-world events. Traders buy and sell shares on outcomes for topics ranging from politics and elections to crypto, finance, sports, tech, and culture, including markets like "#1 Free App in the US Apple App Store on April 21?." Prices reflect real-time, crowd-sourced probabilities backed by financial conviction, often providing faster and more accurate signals than polls, pundits, or traditional surveys.