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Challenges:

EPOS Card was planning a renewal of its official app, aiming to enhance services for credit card users.

The new app was expected to support users' lifestyles and the expansion of their spending habits.

There were plans to incorporate various features in different stages of development, from those under consideration to those already operating in the existing app. Therefore, it was necessary to quickly assemble a large-scale team capable of handling both agile and waterfall development processes, and the cooperation of an external partner with specialized knowledge and experience in app development was required.

Solutions:

Monstarlab, participating in the project, first carefully examined the requirements for the renewed app. Then, we developed a beta version app, limited to core new features, using the agile methodology.

After the effectiveness of the new features was confirmed with the beta version app, we used 'As-Is/To-Be analysis' to define refined requirements for the remaining demands. Then, we started development using the 'Backends For Frontends (BFF)' architecture.

EPOS Card was considering enhancing features to enable a more personalized experience than before, such as improving features already on the existing app and newly incorporating a household budget management function.

Therefore, Monstarlab aimed to improve the design and functionality of the features carried over from the existing app. Specifically, we pursued ease of use by incorporating features such as 'Payment Inquiry,' which allows for intuitive understanding through a graphical UI, and \"Usage Calendar (Epo-log),\" which allows for more detailed history recording by adding the ability to upload comments and photos to card usage logs.

New features incorporated from the renewed version include the 'Epo-Kakei' household budget management function, which automatically categorizes fixed expenses, the freely customizable 'Personal Footer Menu,' and 'toGOLD/toBONUS,' which shows the progress towards Gold Card invitations and bonus point acquisition. These features realized the client's requests.

", "overview": "EPOS Card Co., Ltd. (EPOS Card) is the credit card business company of the Marui Group.\n\nMonstarlab, commissioned to fully renew the official EPOS Card app provided by the company, participated from the proof-of-concept stage. We are responsible for all processes, from UX/UI design and initial product construction, operation, and maintenance to continuous product development (DevOps).", "site": "jp_en", "slug": "eposcard", "qoute": "", "relatedLinks": {}, "productLinks": [ { "url": "https://www.eposcard.co.jp/appli/index.html", "buttonText": "Website (Japanese)" }, { "buttonText": "Application (iOS)", "url": "https://apps.apple.com/jp/app/%E3%82%A8%E3%83%9D%E3%82%B9%E3%82%A2%E3%83%97%E3%83%AA/id1489130153" }, { "url": "https://play.google.com/store/apps/details?id=jp.co.eposcard.epossupportapp&hl=ja&gl=US", "buttonText": "Application (Android)" } ], "content2": "

Results:

The released renewed app successfully integrated the features carried over from the existing app with the newly added features through \"As-Is/To-Be analysis.\" Furthermore, by adopting the \"BFF (Backends For Frontends) architecture,\" it became possible to provide an experience tailored to each user's situation.

The app has received high praise for its extensive functionality and user-friendly, pop-style design, with users expressing positive feedback such as, \"Notifications for card usage are fast\" and \"It's great that the progress towards the Gold Card is visualized.\"

Monstarlab continues to provide support for maintenance, operation, and continuous product development, aiming for further service improvement.

*BFF (Backends For Frontends) architecture: An architectural design pattern in which a backend is created for each frontend client, to simplify complex processing on both ends.

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