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Unlock Success in Japan and Korea’s App Store Market with ASOindex
In today’s competitive app market, standing out is crucial, especially in key regions like Japan and Korea compare to app economy in english. For global app service companies looking to penetrate these markets, App Store Optimization (ASO) is essential for gaining visibility and boosting downloads. While ASO may not directly improve every performance metric, it…
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In Japan Mobile UA, You’re Not Buying Installs. You’re Buying Behavior.
In our last issue, we looked at why installs are a trap in Japan. Hypercasual campaigns generating 20% of all installs in Japan produce just 1% of all sessions. Users downloaded the game, opened it once — or not at all — and disappeared. You paid for the install. Japan didn’t pay you back with…
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![[JP – Trend App] Affirming Unpaid “Personal Work”. Why Did the Indie App “Neko Kintai” Go Viral?](https://i0.wp.com/aixpost.com/wp-content/uploads/2026/08/aixpost-%E3%82%B5%E3%83%A0%E3%83%8D%E3%82%A4%E3%83%AB-1.png?resize=400%2C266&ssl=1)
[JP – Trend App] Affirming Unpaid “Personal Work”. Why Did the Indie App “Neko Kintai” Go Viral?
1. Introduction: What is “Neko Kintai”, the App Trending on SNS? The indie app “ねこ勤怠 (NEKO KINTAI)” is generating a lot of buzz, especially on X (Twitter). Neko Kintai: Creator (c_cya) Accounts: It is a time-tracking app designed to record and visualize the time spent on “personal work” that doesn’t immediately pay, such as freelance…
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In Japan Mobile UA, Installs Might be a Trap
If your Japan UA dashboard is telling you installs are up, you might be celebrating the wrong number. Across the hypercasual genre, campaigns that generate 20% of all installs in Japan are producing just 1% of all sessions in the same market. In other words: users are downloading the game, opening it once (or not…
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![[Japan vs. Korea ASO] Are You Stopping at Just “Translation”? App Store Optimization Differences Between Japan and Korea (Productivity Apps / iOS)](https://i0.wp.com/aixpost.com/wp-content/uploads/2026/08/83.png?resize=400%2C266&ssl=1)
[Japan vs. Korea ASO] Are You Stopping at Just “Translation”? App Store Optimization Differences Between Japan and Korea (Productivity Apps / iOS)
For app developers and marketers aiming for global expansion, how are you approaching your app localization? If you think, “We translated the store text into the local language and swapped the text on the screenshots, so we’re done!”—you might be missing out on huge opportunities. What truly matters in ASO localization is not mere “language…
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![Rocket A Week 2 August — Performance Comparison Case [Game / Genre: Simulation]](https://i0.wp.com/aixpost.com/wp-content/uploads/2026/08/KakaoTalk_Photo_2026-08-13-17-48-47.png?resize=400%2C266&ssl=1)
Rocket A Week 2 August — Performance Comparison Case [Game / Genre: Simulation]
From a client’s perspective running CPE campaigns, CPA directly impacts overall campaign performance and CV volume. Using Doom’s Day as a reference, the data below illustrates how performance changes when accessing local media directly with the same budget. App Overview Doomsday: Last Survivors is a mobile simulation game set in a zombie-infested world where players…
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Sanrio’s New App “YumeTabi”: What’s Different Between the Japanese and Korean Markets?
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…
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![Rocket A Week 1 August — Performance Comparison Case [Game / Genre: Strategy]](https://i0.wp.com/aixpost.com/wp-content/uploads/2026/08/KakaoTalk_Photo_2026-08-07-16-26-42-1.png?resize=400%2C266&ssl=1)
Rocket A Week 1 August — Performance Comparison Case [Game / Genre: Strategy]
From a client’s perspective running CPE campaigns, CPA directly impacts overall campaign performance and CV volume. Using Puzzle & Survival as a reference, the data below illustrates how performance changes when accessing local media directly with the same budget. App Overview Puzzles & Survival is a mobile game that combines puzzle mechanics with stategy game…
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Why “Trust” Has a Bigger Impact on App Store Conversion in Japan
When people think of ASO, they often think of improving keyword rankings to drive more organic downloads. While visibility is important, it’s only part of the equation. In Japan, earning users’ trust before they download can have just as much impact on conversion rates as search rankings. That’s why the way you design your App…
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![Rocket A Week 4 July — Performance Comparison Case [Game / Genre: Simulation]](https://i0.wp.com/aixpost.com/wp-content/uploads/2026/07/KakaoTalk_Photo_2026-07-31-17-22-34.png?resize=400%2C266&ssl=1)
Rocket A Week 4 July — Performance Comparison Case [Game / Genre: Simulation]
From a client’s perspective running CPE campaigns, CPA directly impacts overall campaign performance and CV volume. Using [商人放浪記 – あきんどの成り上がり道] (A Tale of a Merchant) as a reference, the data below illustrates how performance changes when accessing local media directly with the same budget. App Overview [商人放浪記 – あきんどの成り上がり道] (A Tale of a Merchant) is…
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YouTube Introduces “Jewels” for Hype in Japan: What Does It Mean for Marketers?
YouTube has officially rolled out Jewels, a new virtual item for its Hype creator support feature, in Japan. With this update, viewers can now send additional Hype using Jewels, on top of the free Hype they already receive. In this article, we’ll explain what Hype and Jewels are, and explore how brands and marketers could potentially use them…