QBounce: Basketball Training App with Pre-Cached Video Drills from Zero to MVP in Three Months

The Challenge QBounce Faced Delivering Video-Heavy Drills to Young Athletes

QBounce was a new startup with no existing codebase, no design, and a technically demanding product requirement: video-heavy basketball drills that had to play without buffering on young athletes' devices, pre-cached before the app session began so drill content never interrupted training. The marketing website and mobile app also had to remain in sync, with new drill content pushed from the admin panel to both surfaces in the background, invisible to the user. AppMatic Tech designed and built every digital layer of QBounce, covering the Flutter app, the Laravel backend, the React.js website, and the admin panel, from zero in three months.

What AppMatic Tech Engineered for QBounce

AppMatic Tech delivered four production systems in three months.

Flutter Mobile App

AppMatic Tech built the QBounce Flutter app with young athlete profile creation and onboarding, a basketball drill library with structured video content, pre-session video caching that downloads all required drill videos before the session begins, so drills play instantly without buffering during training, a leaderboard ranking users by points earned through completed drills, push notifications for new drills and progress milestones, and a deep linking flow connecting the physical basketball purchase to app access.

Pre-Session Video Caching System

AppMatic Tech engineered the QBounce video caching mechanism as a standalone system: all drill videos required for the upcoming session are downloaded and stored locally on the device before the session begins. When an athlete opens a drill, the video plays instantly from local cache with zero network dependency. New drill content pushed from the admin panel is synced to devices entirely in the background, with no interruption to the user during active training.

Laravel REST API Backend

AppMatic Tech engineered the Laravel backend to handle user authentication and profile management, drill content management and video delivery, points and leaderboard calculation, purchase verification and app access control, background video sync to mobile devices, and the admin API powering the super admin panel.

React.js Marketing Website

AppMatic Tech built the QBounce marketing website in React.js with product landing content, app download links, and the basketball purchase flow, synced with the backend so content and product updates reflected on the website and the app simultaneously.

Super Admin Panel

AppMatic Tech delivered the admin panel with user listing and account management, video upload and drill content management, leaderboard oversight and points management, and report and block controls.

QBounce: Delivery Metrics

MVP Delivery

3 months from zero

Platforms Delivered

Flutter, Laravel, React.js, Admin

Video Playback

Pre-Cached, No Buffering

Content Sync

Background, zero interruption

Leaderboard

Points-based ranking

Purchase Gate

Server-side verification

QBounce Brand and UI Design

AppMatic Tech delivered the complete UI/UX design for QBounce alongside the Flutter engineering. The visual system was designed for young athletes: high contrast, sport-appropriate typography, and a drill navigation flow that required no onboarding instructions. The leaderboard and points system were given prominent visual placement to drive the competitive engagement the QBounce product model depended on.

"AppMatic Tech built everything QBounce needed in three months: the app, the website, the admin panel, and the video experience was exactly what the team envisioned. Young athletes open the app and the drills just work. The design quality was beyond what the founding team expected."

QBounce Founder

QBounce Project Outcomes

The QBounce Marketing Website

Alongside the mobile app and backend, AppMatic Tech designed and built the QBounce marketing website, the product's primary acquisition channel connecting the physical basketball purchase to digital app access. The site communicated the QBounce drill system and Taze Moore partnership to parents and young athletes, with a clear conversion path from product discovery to app download.

Shopify to App: Purchase-to-Access Integration

AppMatic Tech engineered a direct integration between the QBounce Shopify storefront and the Laravel backend, so every basketball purchase on the Shopify website automatically provisions app access without any manual step from the buyer. The integration works as follows: when a customer completes a purchase on the QBounce Shopify store, a webhook fires to the Laravel backend, which creates a verified user account in the QBounce database tied to that order. The buyer receives their app login credentials and can authenticate directly into the Flutter app, accessing the full drill library immediately. No support ticket, no manual activation, no friction between the physical product purchase and the digital training experience.

1. 1Purchase on Shopify

   Customer buys a QBounce basketball on the Shopify storefront.

2. 2Webhook to Laravel Backend

   Shopify fires an order webhook to the QBounce Laravel backend on purchase confirmation.

3. 3User Created in Database

   The Laravel backend validates the order and creates a verified user record in the QBounce MySQL database, tied to the purchase.

4. 4Credentials Delivered

   The buyer receives login credentials via email, ready to authenticate into the Flutter app.

5. 5Full App Access

   The authenticated user lands inside the QBounce drill library with full access to all pre-cached video drills and the leaderboard.

QBounce Tech Stack

Flutter

Cross-platform mobile app development

Dart

Flutter app language and video caching logic

Next.js

Marketing website and purchase flow

React.js

Admin panel and frontend components

Laravel

Backend APIs, auth, and content delivery

PHP

Server-side runtime for Laravel backend

Firebase

Push notifications and authentication

AWS S3

Video storage, multipart uploads, and media delivery

Tailwind CSS

Admin panel and moderation interface styling

Postman

API validation and backend workflow testing

MySQL

Relational database for user, drill, and leaderboard data

Figma

UI/UX design, prototyping, and handoff

Google Analytics

Product usage and engagement measurement

Latency Testing

API response time and video cache performance benchmarking

Real-Device Testing

On-device QA across iOS and Android hardware for drill and cache flows

Shopify

Storefront and webhook-based purchase-to-app access integration

Jenkins

Build automation and deployment pipeline

Security Architecture on QBounce

AppMatic Tech implemented layered security across the QBounce Flutter app, Laravel backend, and video delivery pipeline, covering purchase gate enforcement, child-safe data handling, secure content delivery, session integrity, and admin access control from the first production release.

• Purchase Verification Gate

  AppMatic Tech built a server-side purchase verification layer in the Laravel backend ensuring only users who had purchased a QBounce basketball received app access. Verification was enforced at authentication, preventing unauthorised access to the drill content library.

• Child-Safe Profile System

  QBounce's primary users are young athletes. AppMatic Tech implemented a parent-managed profile creation flow with age-appropriate data collection, minimal personal data storage, and no public-facing social features that could expose young users to contact from unknown adults.

• Secure Video Content Delivery

  Drill video content was delivered through a secure pipeline. Videos were cached locally using authenticated download tokens, preventing public access to QBounce's proprietary drill library outside an authenticated app session.

• Token-Based Session Management

  AppMatic Tech implemented token-based authentication with automatic session expiry, ensuring athlete sessions could not be reused after logout or timeout across the drill and leaderboard flows.

• Admin Content Controls

  The super admin panel required role-based authentication with separate access levels for video upload, user management, and moderation, preventing accidental or unauthorised changes to the live drill library.