Project Overview

Our customer is a progressive language-learning company that was asked to develop a portable device that could allow users to master the key phrases required for communication within a foreign setting while at the same time practising native pronunciation.

To fulfil these needs, the client required mobile and online applications that could make the practice and career-enhancing process smooth and easy in a given linguistic field.

What We Did

Defined scalable architecture for mobile and web platforms
Designed an intuitive UI for quick phrase access
Integrated text-to-speech and phonetic hints
Used Cloudflare CDN for fast media delivery
Enabled offline mode with downloadable content
Integrated Stripe for seamless subscriptions
Built CMS for easy content updates across platforms
Implemented progress tracking for personalized learning paths

In order to meet these aims, eSparkBiz developed scalable iOS and Android software and web portals and used them to deliver interactive phrasebooks, phonetic guidance, and detailed progress reports.

In addition, audio streaming was facilitated by a quick release with the help of Cloudflare CDN, and the payment flexibility was implemented with the help of Stripe, which made the whole process of managing subscriptions easier.

This diagram illustrates how the travel language app ecosystem connects mobile apps, web portal, and backend services:

Specific Features:

Activated mobile applications created based on the text-to-speech medium
Progress tracking website
Customize catchy slogans by using the pronunciation option
Media is optimized using Cloudflare CDN

💡 Relevance of This Project

Viber today has more than 1.17 billion users in the entire world and its success and effectiveness highlights its availability in 40+ languages.

The Problem

The client aimed to build a scalable language learning platform tailored for travelers, emphasizing intuitive user experience, multimedia content delivery, and seamless access across both mobile and web platforms to ensure global usability and long-term user engagement.

Competitive Market

The customer needed a new but commercially usable travel-language program that could display a simplified interface, and nevertheless portray compelling applications to appeal to a larger number of customers.

Architecture Considerations

This project required an architecture that could store and serve recordings of native pronunciations, more than a thousand in number, and do it without impacting the performance or responsiveness of the system.

Unspecified Web Requirements

During the first phases of the web portal elaboration, the requirements were specified in the most general way which meant that eSparkBiz have to find, develop and implement a range of features that would have matched the capabilities of the mobile application with the current expectations of users.

Motivation of Participation and Involvement

Involvement between users was considered to be the most important. Lack of interactive and personalized experiences may cause a learner to become tired but due to the necessity to have functions that will help a learner to feel motivated and consciously visit the platform once again.

Achievement Of Scale-up Performance

It was expected to run fast under heavy traffic because it was predicted that the application would experience exponential growth. Potential spikes, wide media distribution, and expected steep increases in the population of users necessitated special attention to performance and scaling requirements.

Limited Offline Accessibility

Travelers often lacked internet access abroad, yet core app features like phrase lookup and pronunciation relied on live connectivity, reducing app usability in real-world travel scenarios.

Manual Content Updates

Updating language content across mobile and web required duplicate effort, risking delays and inconsistencies in phrase delivery, especially for new or personalized content.

Inconsistent User Experience

The mobile and web platforms lacked design consistency, causing usability issues and fragmented learning experiences across devices, affecting user trust, engagement, and overall platform satisfaction.

The Solution

eSparkBiz delivered a unified, travel-friendly language learning ecosystem that merges smart UX, scalable backend architecture, and multimedia-rich features. The solution ensures smooth performance across platforms while supporting diverse learning styles through real-time interactions, gamification, and offline access.

Special Qualities of Mobile App

eSparkBiz mobile apps allow one to customize phrases, phonetic spelling prompts and text-to-speech which helps improve their usability and allows using the apps better when they are not in their native language and helps them interact better with the rest of the world.

CDN Enables Optimized Media

To lighten the weight of applications, optimize the load time, and provide quality audio content compared with consistent and optimal speed, Cloudflare CDN has also been integrated and this has reduced the size of downloading on both platforms as well.

Agile Web Portal Development

Its web portal was constructed in a step-by-step manner following the usage of agile project management methodologies to perform a continuous status check and the development of additional interactive learning activities which adorn the mobile experience.

App Features

In pursuit of repeat visits as well as to enhance interaction, eSparkBiz enabled the use of favourites, custom phrases and content-sharing features. These features enabled maximum interaction points that echoed a more participatory and achievement-oriented sense of learning.

Centralized Content Management

We built a unified content management system (CMS) to manage phrases, media, and updates centrally, pushing real-time changes across all platforms instantly and reliably.

The diagram highlights AWS as the backbone for centralized content management, enabling secure data flow and real-time sync:

Installation of Scalable Architecture

Implementation of a scalable architecture offered by eSparkBiz has brought into place a system that integrates load balance with advanced performance monitoring and thus guarantees smoothness of performance despite a lot of traffic and media-heavy conditions.

Offline Phrase Access

We enabled offline access by allowing users to download phrase packs in advance, ensuring language support remained available even without an internet connection.

Unified Cross-Platform Design System

We implemented a consistent UI/UX design system using shared components and responsive layouts, ensuring smooth, familiar interactions and seamless learning experiences across both mobile apps and the web portal.

The Result

The ensuing infrastructure provides a flexible learning environment based on a user-friendly message flow and has a web-rich portal and native mobile applications supporting various languages. Travellers have easy access to learning essential phrases, proper pronunciation and personalized tools that allow communicating effectively in real-life situations.

The diagram illustrates a complete app workflow, from user onboarding and phrase exploration to offline sync and phonetic hints:

Cloudflare CDN and Stripe, which allow high-speed delivery of media and effective payment services, form the basis of the exceptionally fast growth of the system. The client has accomplished a number of features in greater user retention, greater access to learning content and overall system performance on all platforms and devices.

Satisfactory Outcomes

The service resulted in over 15,000 active users in the first six months. It is especially noteworthy that the minimal memory footprint of about 40 megabytes is achieved, considering that it contains large multimedia content. With careful optimization of the content delivery network, the availability of the application stands at above 99.8 percent.

This simplification of the technical backend, coupled with an expected increase in performance has resulted in a 30 percent increase in the number of users being retained due to context-aware, content-based personalization.

An Interactive Platform for Seamless Communication and Learning for Travelers

Travel Language Learning App for Seamless Communication

About The Project