An App For Making International Payments

International payments app
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Product development for international money transfers and payments.

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Prevent errors while authorizing users, fill the app with the necessary functionality, join transfers from different banks.

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Tech stack

SwiftU -> Swift, Java, Android studio, Xcode, TestFlight.


The client is a global platform providing the service of international payments and money transfers. Their platform provides financial services to both individuals and legal entities.


The client needed to have functional and productive apps on iOS and Android platforms. During the description of the terms of reference, the client identified the following essential tasks for the qualitative implementation of the project:

  • make financial transactions as convenient and mobile as possible;
  • to enable users to make transfers from several cards of different banks;
  • to create a clear and simple customer authorization process;
  • to add a wide range of functionality and all the necessary tools;
  • to ensure the reliability and security of customer personal data;
  • development of a user-friendly interface.
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App on iOS and Android
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We’ve analyzed similar products and used Modsen's development experience in similar projects. Having studied the experience of other market players, useful app features, user reviews, their expectations and requests, we identified the priority of functionality. We divided the project into stages in separate blocks and started developing a mobile app in which the things below were embodied:

  • linked cards of various banks by one user;
  • personalized app interface, with the ability to choose the theme either the screensaver or the screen;
  • the ability to transfer funds in various currencies;
  • the app supports all payment systems;
  • elevated efficiency and wide functionality of the mobile app on iOS and Android;courier service ratings, the option of leaving feedback
  • reliability and safety of the transfer, app security from hacking;
  • viewing the history of transfers;
  • handy authorization, including the authorization through accounts in social networks and by phone number;
  • adding a card by scanning.


The large-scale project has brought major successes. We’ve received feedback from a satisfied client narrating the results of the implementation of their new product developed by the Modsen team:

  • an increase in the number of users and a the boosting of loyalty, as evidenced by customer reviews on mobile platforms;
  • the enhancement of the average number of money transfers per user;
  • a reduction in time for financial transactions;
  • an increase in qualitative indicators of user behavior.
App for financial transactions

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