【アイマスセルラン】1位シャニソン1位ミリシタ1位シャニマス104位学マス352位デレステ
Sales rankings for THE IDOLM@STER apps are currently a hot topic! Surprisingly, three titles—ShaniSon, Million Live! Theater Days, and Shiny Colors—all clinched the #1 spot on app stores. However, the new game Gakuen Idolm@ster ranked 104th, and the long-standing Cinderella Girls Starlight Stage was 352nd, showing significant disparities across titles, sparking varied reactions online like "Happy to see Im@s doing well overall, but worried about DereSute..." and "Good luck, Gakuen Im@s!"
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The Idolmaster Series (Im@s)
"The Idolmaster" is an idol-raising simulation game series by Bandai Namco Entertainment, which began as an arcade game in 2005. Players take on the role of a producer, nurturing unique idols and guiding them to become top idols. Over nearly 20 years, the series has maintained its core concept while expanding into multiple brands with different idols, worldviews, and game systems. Key brands include "The Idolmaster Cinderella Girls," "The Idolmaster Million Live!," "The Idolmaster Shiny Colors," "The Idolmaster SideM," and the latest, "Gakuen Idolmaster (School Idolmaster)," each operating independent smartphone game apps. Each brand boasts a passionate fanbase, and through a multi-faceted media mix strategy involving CD releases, live events, anime adaptations, and merchandise, it has grown into a massive IP (Intellectual Property). The title of this article refers to the sales rankings (Cell-run) of several smartphone game apps belonging to the Im@s series, which serve as a clear indicator of the fans' enthusiasm for each brand and the success of app operations.
Sales Rankings (Cell-run) and Their Fluctuating Factors
Sales rankings, commonly known as "Cell-run," are popularity rankings based on in-app purchase revenue, published by smartphone app stores like the App Store and Google Play. Achieving a high position in these rankings indicates very strong app sales, and reaching "#1" is considered a major achievement for app operations, often trending on social media. The most significant factor influencing Cell-run is typically the update of "gacha" systems that offer powerful limited-time characters or items. In idol-raising games, user spending tends to surge when new limited cards for popular idols are introduced, or during large-scale events such as anniversary celebrations. The fact that multiple Im@s apps achieved #1 in this article's title is presumed to be the result of each title implementing very strong gacha updates or events around the same time. Since rankings fluctuate in real-time, temporary positions do not solely determine a content's long-term popularity or future prospects. However, they are an important barometer for measuring short-term user spending trends and the success of implemented operational strategies. The results of "Gakuen Im@s" being outside the top 100 and the veteran "Cinderella Girls Starlight Stage" in the 300s could be interpreted as a lack of strong monetization strategies aimed at top rankings, the initial performance as a new title, or challenges inherent to a long-running title, respectively.
Content Diversification and Generational Shift
Over its approximately 20-year history, The Idolmaster series has continuously launched new brands, expanding its roster of idols and worldviews to pursue overall IP growth. This is "diversification." For example, "Gakuen Idolmaster (Gakuen Im@s)" is a new brand incorporating the latest technology and innovative systems, garnering significant expectations as a driver for a new "generational shift" in the series. Diversification is an effective strategy for acquiring new fan bases and expanding the overall scale of the IP, but it also presents challenges such as differentiating existing fan bases and allocating development resources. Furthermore, while the introduction of new apps can revitalize the entire series, it also carries the risk of "cannibalization," where users from existing apps migrate to the new title. The current sales ranking results show that shortly after or during the release of Gakuen Im@s, the existing strong titles (ShaniSon, Million Live! Theater Days, Shiny Colors) continue to maintain high monetization power and secure #1 positions. This speaks to the depth of the overall Im@s series fanbase and the robust support base present in each brand. However, the fact that the long-running title "Cinderella Girls Starlight Stage" did not significantly improve its ranking, even during a period of new title buzz, suggests a challenge unique to long-running content: the difficulty of maintaining existing users' spending motivation without specific new elements or large-scale events. Strategies for each brand to polish its unique appeal, attract new users, and reliably retain existing users will be essential for the sustainable growth of the entire Im@s series going forward.