olanrewaju08325/Tonex-cbt-app
Domain:
educationRecord type:
software
Creator:
ola
Host:
Tonex CBT — A premium, unified Computer-Based Testing (CBT) and examination prep engine designed for UTME, JAMB, and Post-UTME aspirants in Nigeria. Built on React 19, TypeScript, Vite, Tailwind CSS v4, and Supabase, Tonex CBT delivers a high-fidelity exam simulation experience, interactive study tools, and multi-tier subscription controls.
# 🏆 Tonex CBT
Tonex CBT is a premium, unified Computer-Based Testing (CBT) and examination prep engine designed specifically for UTME, JAMB, and Post-UTME aspirants in Nigeria.
This platform delivers a high-fidelity exam simulation experience mimicking actual university screening environments, complete with comprehensive performance analytics, automated study tools, and multi-tier subscription gating.
---
## 🚀 Key Features
### 1. Real-time CBT Exam Simulator
* **Real UTME/JAMB Sandbox**: Practice under realistic constraints with support for up to 4 subjects simultaneously, custom timings, and real-time navigation dashboards.
* **Results Analytics**: Instant scoring, detailed feedback on correct/incorrect choices, and direct textbook references for explanation.
* **Review & Bookmark System**: Save difficult questions to study later, with optional notes and step-by-step review pathways.
### 2. PWA Offline Mode (IndexedDB Caching & Auto-Sync)
Designed to operate reliably in low-connectivity areas across Nigeria:
* **Subject Downloads**: Premium users can download complete subject question banks (up to 100 questions per subject) to practice entirely offline.
* **Local Question Fallback**: Seamless fallback to client-side IndexedDB when network requests to Supabase fail or time out.
* **Offline Result Queueing**: Saves exam session results locally if a student completes a test while offline.
* **Auto-Sync Engine**: Registers a global listener on the browser's `online` event to automatically synchronize all queued offline sessions to Supabase once connection is restored.
### 3. Subscription Tiers & Feature Gating
* **Free Plan Limits**:
* Limited to 5 practice questions per subject daily.
* Capt at practicing a maximum of 4 subjects total (new subjects remain locked).
* Display of a dynamic countdown timer showing when the daily practice limits reset (resetting at UTC midnight).
* **Locked & Blurred Premium Modules**:
* **Locked Pages**: Navigating to *Full Exam Mo …