Enhancing Mobile App Performance
Client: DOUBLETAPP
UI/UX/Mobile
Expertise:
Tech Stack:
Backend
Coroutines
Kotlin
Android
Java
Fresco
Doubletapp is an international full-cycle development studio specializing in mobile applications and web services for clients in Europe and the USA. Among its prominent global projects is a social network tailored for traders and investors, which has gained significant traction in the US market with over a million downloads on Android.
About the Client:
In 2022, with the mobile app market continuing to grow, Doubletapp sought to enhance the performance and functionality of its popular trading community app for Android. This app, serving as a hub for financial market enthusiasts to exchange news, analyses, and ideas, needed to maintain stability during peak loads while also introducing new features to meet evolving user needs.
Project Overview

Challenges & Objectives

Before the team’s involvement, the application experienced frequent disruptions due to issues with the image-loading service. Users were often logged out of the app, and memory shortages were common. These problems stemmed from incorrect configuration of the library responsible for downloading and caching images. On the app’s post feed screen, users upload images that are fetched and cached during scrolling—an approach that proved resource-intensive for the mobile app.
The primary goals for the project included:
  1. Ensuring the seamless functionality of the app’s redesigned UX/UI interface.
  2. Upgrading existing features and adding new ones to improve user satisfaction.
  3. Enhancing the app’s performance and stability to handle high traffic during peak times.
Implementation
The project tasks were divided into two main areas of focus:
01
UX/UI Testing and Optimization
Following a redesign of the app, the team conducted thorough testing to ensure that all interface elements functioned correctly and offered a seamless user experience.
02
Feature Enhancements and Performance Improvements
The development team implemented several updates to enrich the app’s functionality while refactoring code to ensure peak-load resilience. This included extensive bug tracking, fixes, and integration of new features aligned with user expectations.

Outcomes & Business Impact

The technical expertise and collaborative approach yielded several key achievements:
  • Ensured smooth operation of the redesigned UX/UI, leading to an improved user experience.
  • Enhanced the app’s functionality by introducing new features and optimizing existing ones.
  • Delivered a robust and reliable product capable of handling heavy user loads, even during peak activity periods.
These efforts enabled Doubletapp to release the updated version of its Android app on time, delighting users with a polished and reliable product. This collaboration ensured the timely delivery of a high-quality application, strengthening Doubletapp’s reputation in the market.

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