
Introduction September 2026 saw notable shifts in mobile game rankings across Japan and South Korea. Established titles strengthened or lost their positions, while new entries emerged with different performance patterns across Free and Grossing charts. This analysis compares daily Top 50 rankings from August 1–31 and September 1–30, 2026, across Android and iOS in both markets.…
![[Japan vs. Korea ASO] Before the Holiday Rush: Why Direct Translation Is Not Enough for Travel App ASO in Japan and Korea (Android & iOS)](https://i0.wp.com/aixpost.com/wp-content/uploads/2026/09/260915_aixpost_thumbnail.png?resize=400%2C266&ssl=1)
In late September, Japan enters Silver Week, while Korea celebrates Chuseok, one of the country’s biggest annual holidays. This is exactly the time when users across both markets begin searching for travel, transportation, accommodation, and ways to spend the holiday period—creating one of the strongest seasonal opportunities for travel app downloads. Yet although Japan and…

Sanrio’s new sleep app YumeTabi offers an interesting example of ASO localization across Japan and Korea. While the core app and visual identity remain largely the same, its app name, App Store metadata, and messaging are presented differently in each market. In this article, we take a closer look at those differences through the perspectives…

Social Media Is Becoming More About Staying Connected Than Being Seen Recently, the shared Vlog app setlog has been gaining traction in both Japan and South Korea. Unlike Instagram or TikTok, where the goal is often to reach a broad audience, setlog focuses on sharing everyday moments with a small circle of close friends. At first glance,…