All-English Mobile App

A comprehensive mobile educational platform built with React Native and Expo for mastering the English language.

All-English Mobile App - Documentation

1. Project Overview

All-English is a comprehensive mobile educational platform designed to help users master the English language. Built using React Native and Expo, the application provides a structured learning path through categorized lessons, video content, and interactive materials.

The app targets Sinhala-speaking learners (indicated by the localized payment instructions and author profiles) who seek to improve their translation and English communication skills.

Key Metrics & Goals

• Platform: Android & iOS (Cross-platform)
• Primary Audience: English language learners, particularly those in Sri Lanka.
• Monetization: Subscription-based model (Yearly & Lifetime plans) via In-App Purchases (IAP) and manual bank transfers.
• Core Value: Providing high-quality translation-focused English lessons from a certified sworn translator.

2. Case Study: Building a Dedicated Learning Platform

The Problem

Traditional English learning methods often lack accessibility and personalized pacing. For many learners in specific regions (like Sri Lanka), there is a high demand for content that bridges the gap between their native language (Sinhala) and English, especially in professional fields like translation and banking.

The Solution

The All-English mobile app was developed to provide a "classroom in your pocket" experience.

• Categorized Learning: Lessons are organized into specific modules like "Grammar", "Vocabulary", or "Translation Tips".
• Multimedia Integration: Support for video lessons, PDF packs, and interactive lesson content.
• User Progress Tracking: Users can track which lessons they've completed and resume where they left off.
• Trusted Expertise: Content is curated and taught by KWD Sandun Sirikumara, a Sworn Translator and experienced English tutor.

Implementation Highlights

• Seamless Onboarding: A simple welcome flow leading to secure login/signup.
• Flexible Payments: Integration of both digital (IAP) and traditional (Bank Deposit) payment methods to cater to various user preferences.
• Dynamic Content: An API-driven architecture allows for real-time updates to lessons and categories without requiring frequent app store updates.

Modular React Native Architecture with Global Context providers and API services.

Focused on accessibility for Sinhala-speaking learners in Sri Lanka.

Optimizing for 16KB memory page sizes for Android 15 compatibility.