BigBrother Platform

Financial Specification & Billing

Project Billing Breakdown

Complete cost breakdown for development and infrastructure services

Service/Item	Category	Billing Frequency	Cost (USD)	Cost (NGN)	Notes
Developer Fee (Total)	Development	One-time	-	₦3,250,000	Complete platform development (see detailed breakdown below)
Google Play Developer Account	App Store	One-time	$25	~₦37,500^*	Required to publish Android app on Google Play Store
Apple Developer Program	App Store	Annual	$99	~₦148,500^*	Required to publish iOS app on Apple App Store (renewed yearly)
Railway Hosting	Infrastructure	Annual	-	₦100,000	Backend API hosting and deployment platform
Cloudinary (Free Tier)	Storage	Free	$0	₦0	File storage and image/video processing for avatars, media, and uploads. Using free tier only (25 GB storage, 25 GB monthly bandwidth)
ZeptoMail (Mail Server)	Infrastructure	Monthly	-	₦1,200	Email service for notifications, invites, and transactional emails
Additional Hosting Services	Infrastructure	Variable	Variable	To be determined	Additional hosting requirements for admin dashboard and other services (if needed)

Complete breakdown of development modules and their costs

Module/Component	Description	Cost (NGN)
Project Architecture & Setup	Project structure, configuration, environment setup	₦80,000
Database Design & Setup	MongoDB schema design, models, migrations	₦80,000
DevOps & Deployment Configuration	CI/CD setup, deployment scripts, Railway config	₦40,000
Subtotal - Infrastructure		₦200,000

Module/Component	Description	Cost (NGN)
Authentication & Authorization	JWT auth, invite codes, admin roles	₦110,000
User Profiles & Management	Profile CRUD, referral codes, earnings tracking	₦85,000
Task Management System	Task CRUD, expiration logic, daily tasks	₦125,000
Music Playback Tracking	Spotify/YouTube integration, stream counting	₦155,000
Review Submission System	Review collection, validation, storage	₦60,000
Rewards & Earnings System	Reward calculation, weekly earnings, balance tracking	₦75,000
Cashout & Payment System	Paystack integration, 30-day cycle, withdrawal logic	₦110,000
Referral System	Referral tracking, 7-day bonus calculation	₦90,000
Gamification Features	Streak tracking, leaderboards, badges system	₦125,000
Social Media Integration	Instagram/TikTok submission, link validation	₦90,000
File Upload System	Cloudinary integration, media handling and processing	₦60,000
Real-time Features (Socket.io)	Live leaderboards, task status updates	₦90,000
Push Notifications (FCM)	Firebase Cloud Messaging setup and integration	₦90,000
Security & Validation	Rate limiting, input validation, RBAC, JWT refresh	₦110,000
Audit Logging System	Activity tracking, admin action logs	₦60,000
Subtotal - Backend API		₦1,400,000

Module/Component	Description	Cost (NGN)
App Setup & Navigation	React Native setup, navigation structure, routing	₦70,000
Authentication Screens	Login, signup with invite codes, token management	₦80,000
Profile & Dashboard	User profile, earnings display, referral code	₦70,000
Task Management UI	Daily tasks display, expiration handling	₦80,000
Music Player Integration	Spotify/YouTube embeds, playback tracking	₦100,000
Review Submission UI	Review forms, submission flow	₦55,000
Social Media Sharing	Instagram/TikTok link submission UI	₦70,000
Earnings & Cashout UI	Earnings display, withdrawal requests	₦70,000
Gamification UI	Leaderboards, streaks, badges display	₦80,000
Push Notifications Setup	FCM integration, notification handling	₦55,000
UI/UX Design & Styling	Responsive design, consistent styling	₦70,000
Subtotal - Mobile App		₦800,000

Module/Component	Description	Cost (NGN)
Dashboard Setup & Layout	Next.js setup, admin layout, navigation	₦50,000
Task Management Interface	Create/edit tasks, task listing, expiration	₦90,000
User Management Interface	User CRUD, profile viewing, status management	₦75,000
Invite Code Management	Generate codes, track usage, deactivate	₦50,000
Review Queue Interface	Review submissions, approve/reject actions	₦60,000
Reports & Analytics	Comprehensive reporting dashboard, charts	₦125,000
PDF/CSV Export Functionality	Report generation, data export features	₦100,000
Payment Management	Withdrawal approvals, payment tracking	₦50,000
Subtotal - Admin Dashboard		₦600,000

Module/Component	Description	Cost (NGN)
Unit & Integration Testing	Backend API testing, component testing	₦70,000
End-to-End Testing	Full workflow testing, mobile app testing	₦60,000
Bug Fixes & Refinement	Issue resolution, performance optimization	₦70,000
Documentation	API docs, deployment guides, user manuals	₦50,000
Subtotal - Testing & QA		₦250,000
TOTAL DEVELOPER FEE		₦3,250,000

Developer Fee ₦3,250,000

Google Play Developer Account ~₦37,500^*

Total One-Time ₦3,287,500^*

Apple Developer Program ~₦148,500^*

Railway Hosting ₦100,000

ZeptoMail (12 months) ₦14,400

Total Annual ₦262,900^*

* Currency Conversion: USD to NGN rates are approximate and based on current exchange rates (~₦1,500 per USD). Actual costs may vary based on payment date and exchange rate fluctuations.
** Cloudinary: Using free tier only. The free tier includes 25 GB storage and 25 GB monthly bandwidth, which is sufficient for the initial launch and small to medium user bases. No paid plans will be used.
• Payment Terms: Developer fee is typically paid in milestones or as agreed in the contract. Infrastructure costs are billed separately by service providers.
• Additional Costs: May include SSL certificates, domain names, third-party API usage fees (if applicable), and scaling costs as user base grows.
• Annual Review: Recurring costs should be reviewed annually to optimize expenses and plan for growth.

₦3,287,500^*

Initial One-Time Investment

Plus Annual Operating Costs

₦262,900^* / year

(Cloudinary free tier included at no cost)