Top grossing iPhone apps in South Korea: October 2026
ChatGPT is the top grossing iPhone app in South Korea so far in October 2026, at an average rank of #1, ahead of YouTube and KakaoTalk : Messenger.
Apple's Top Grossing chart ranks iPhone apps by what users spend in them. October 2026 so far: Oct 1–25, 25 days of the South Korea chart.
- 1Avg. #1best #1 · 25 of 25 days>$100Mworldwide, last 30 days, est.
- 2Avg. #1.9best #1 · 25 of 25 days>$100Mworldwide, last 30 days, est.
- 3Avg. #3.2best #3 · 25 of 25 days
- 4Avg. #3.6best #3 · 25 of 25 days
- 5Avg. #5.2best #4 · 25 of 25 days
- 6Avg. #8.3best #6 · 25 of 25 days>$100Mworldwide, last 30 days, est.
- 7Avg. #8.8best #6 · 25 of 25 days$68Mworldwide, last 30 days, est.
- 8Avg. #9.6best #6 · 25 of 25 days$91Mworldwide, last 30 days, est.
- 9Avg. #9.7best #3 · 25 of 25 days
- 10Avg. #9.9best #3 · 25 of 25 days
- 11Avg. #11.7best #4 · 25 of 25 days
- 12Avg. #12.2best #7 · 25 of 25 days$87Mworldwide, last 30 days, est.
- 13Avg. #12.8best #7 · 25 of 25 days$52Mworldwide, last 30 days, est.
- 14Avg. #13.2best #10 · 25 of 25 days
- 15Avg. #13.3best #3 · 25 of 25 days
- 16Avg. #13.4best #6 · 25 of 25 days>$100Mworldwide, last 30 days, est.
- 17Avg. #15best #8 · 25 of 25 days
- 18Avg. #15.2best #5 · 25 of 25 days
- 19Avg. #16.8best #9 · 25 of 25 days>$100Mworldwide, last 30 days, est.
- 20Avg. #17.5best #11 · 25 of 25 days$62Mworldwide, last 30 days, est.
- 21Avg. #19.6best #8 · 25 of 25 days
- 22Avg. #20.3best #16 · 25 of 25 days
- 23Avg. #22.6best #16 · 25 of 25 days$11Mworldwide, last 30 days, est.
- 24Avg. #23.3best #19 · 25 of 25 days$52Mworldwide, last 30 days, est.
- 25Avg. #23.9best #20 · 25 of 25 days$40Mworldwide, last 30 days, est.
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How this list works
Several times a day we record the top 100 of Apple's Top Grossing chart in South Korea. Each app gets its best rank of the day; the list orders apps by their average rank over every day of the month we recorded, counting a day off the chart as #101, so apps that held their place all month come first.
The ranks are Apple's. The revenue figures beside the biggest apps are AppTrendKit estimates of worldwide App Store spend over the last 30 days, as of today; figures for other apps are part of Pro.
For downloads instead of spend, see the most downloaded apps in South Korea for October 2026. For this week's movers, read the weekly App Store report, or see today's South Korea Top Grossing chart.
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