Platform & Commerce
One Checkbox Moves Your Korean App Store Rating Up a Tier in October
Published: 2026-09-07
In short
Apple is moving two content descriptors out of Korea's All tier this October. The only way to override the result is a GRAC classification number.
Mr. Latte's take
Nothing about the app changes; the row it maps to does. In a market where an all ages label sets the width of the reachable audience, the notice hands the developer no task at all. The escape hatch is a Korean game classification, which leaves every team that never filed with GRAC arguing with its own questionnaire answers.
Two Descriptors Walk Out of the All Tier
Apple builds age ratings from the answers a developer gives in the App Store Connect questionnaire. In Korea a separate region specific rating is derived from those same answers. The August 12 notice changed that regional rating in two places, one effective that day and one arriving in October.
The October half moves two content descriptors from All to 12+: infrequent profanity and crude humor, and infrequent mature or suggestive themes. Apple’s ratings reference page currently lists both of them inside the All tier alongside parental controls, age assurance, user generated content, messaging and chat, advertising, infrequent horror or fear themes, and health or wellness topics. Only those two leave.
What is changing is a mapping row, not a review standard. The answers on file stay exactly as they are, and the rating those answers produce moves. The notice asks developers to resubmit nothing.
The Override Opens Only for Apps Holding a Classification Number
Since August 12, an app that holds an official rating from Korea’s Game Rating and Administration Committee can supply its Rating Classification Number with the next version submission and override the Korean store rating to All, 12+, 15+, or 19+. Apple’s help page also requires ticking a box confirming the number is the official GRAC rating issued for that app.
The mechanics carry a sharp edge. The number and the override are editable before submission and view only during review, and once the app is approved they are locked and can no longer be edited. Fixing a wrong number costs a release cycle. Access is limited to the Account Holder, Admin, App Manager, and Marketing roles, which in practice means a founder or a release manager rather than whoever happens to be shipping.
None of this plumbing is new. Apps with frequent or intense simulated gambling have long been available on the Korean App Store only if an RCN was supplied. What changed is that the same door now opens for content well outside gambling.
In 2024 the Developer Had Nothing to Do
Pull up the notice that introduced these ratings and the arrow points the other way. On June 18, 2024, Apple told developers that a regional age rating based on local law would appear automatically on product pages in Australia and Korea, and that no other action was needed. Korea applied when Games or Entertainment was the primary or secondary category, or when simulated gambling was frequent or intense in any category.
The mapping was published too. Apple global ratings of 4+ and 9+ became KR-All, and 12+ became KR-12. Some apps in that group could receive a KR-15 from GRAC, and Apple wrote that App Review would reach out to affected developers. KR-19 also came from GRAC and displayed as text instead of a pictogram.
Apple was the party making contact and the developer was the party receiving it. Two years later that has flipped, and the developer is the one carrying a number to the store. Leave the automatic label alone and October raises it. Touch it and you need a Korean game classification already in hand.
Two Apple Documents Draw the Scope Differently
The August 12 notice limits the change to apps in the Games and Entertainment categories distributed on the App Store in Korea. The ratings reference page linked from that same notice says the region specific values display for all apps made available in Korea. A publisher whose app is neither Games nor Entertainment cannot settle the question from Apple’s documentation alone.
When two documents disagree, start with the part you can verify yourself. Open the questionnaire and see whether either descriptor is marked. If neither is, there is nothing to move in October. If one is marked and the category is something else entirely, the answer lives in what the Korean listing actually shows next month rather than in the docs.
The gap that matters here is lead time. A studio that already carries a GRAC classification resolves this with one number. A team that has never filed starts with the classification itself, and Apple does not control that calendar.
What to Check Before October Is a Checkbox and a Number
Two things are worth pulling up this week. First, for any app with Korean users or Korean revenue, whether infrequent profanity and crude humor or infrequent mature or suggestive themes is marked in the age rating questionnaire. Second, for any app that already holds a Korean game classification, where the RCN is recorded and whether that rating matches what the store currently displays.
The combination that binds is a marked descriptor with no classification number behind it. The rating rises in October and the field that would undo it never opens. For an app in that position the choice narrows to obtaining a classification or actually removing the content the questionnaire describes, and the second is product work, which puts it ahead of any marketing calendar.
One detail is still missing from Apple’s notice. It does not say which day in October the change takes effect, or when already approved listings get recalculated. Until that lands, the useful work is confirming those two fields.
Sources
- Updates to age ratings for the Republic of Korea Apple Developer
- Apple forces 12+ rating in Korea on apps with infrequent profanity PPC Land
- Upcoming regional age ratings in Australia and South Korea Apple Developer
- Set an app age rating App Store Connect Help
- Age ratings values and definitions App Store Connect Help