<p><b>Startup description</b></p><p>This is a mobile-first <b>AI video generation app</b> that turns text prompts into high-quality videos directly on a user's phone.</p><p>Unlike competitors with rigid subscription models, it uses a flexible, <b>pay-as-you-go credit economy</b>. Built by a senior engineer, the tech stack is highly optimized: a <b>Flutter</b> frontend paired with a serverless <b>Dart (Shelf)</b> backend. It utilizes <b>Cloudflare R2</b> to eliminate data egress fees, securing an exceptional <b>70%+ net profit margin</b>.</p><p><b>Key highlights:<b></b></b></p><ul> <li><b>Total Downloads:</b> <b>1,100+ organic installs</b> (900+ via Google Play Store, 200+ via alternative Android networks).</li> <li><b>Server Maintenance Overhead:</b> <b>$0.00 idle cost</b> (The Dart/Shelf backend runs serverless on Google Cloud Run and automatically scales down to zero instances when not handling requests).</li> <li><b>Bandwidth Fees:</b> <b>$0.00 Egress</b> (All user-generated AI videos are hosted via Cloudflare R2, meaning the app pays zero data transfer penalties to stream or download media).</li> <li><b>Development Replacement Cost:</b> <b>$15,000+</b> (The clean, production-grade cross-platform Flutter framework and single-language backend represent an immediate engineering shortcut for a buyer).</li> </ul> <p><b>Team</b></p><p>The startup is a solo operation engineered and managed entirely by me. I am a senior full-stack engineer with over 6 years of experience architecting scalable, production-grade systems across the FinTech, ride-sharing, and social media sectors.</p><p><b>What are their responsibilities?</b></p><p>Because I bootstrapped this asset from scratch, I have handled 100% of the lifecycle components:</p><ul> <li><b>Engineering &amp; Architecture:</b> Wrote the entire unified Dart codebase, including the cross-platform Flutter mobile frontend and the Shelf server framework.</li> <li><b>DevOps &amp; Cloud Infrastructure:</b> Set up and maintained the serverless Google Cloud Run deployment, secure Firebase configurations, and the zero-egress Cloudflare R2 video storage network.</li> <li><b>Marketing &amp; Distribution:</b> Executed the App Store Optimization (ASO) strategy and managed store deployments on Google Play and alternative marketplaces.</li> </ul> <p><b>Post-Sale Maintenance for the Buyer</b></p><p>The entire infrastructure is fully automated and scales dynamically. Daily operational maintenance requires <b>0 hours of my time per week</b>. The backend automatically handles traffic scaling and database synchronization, making this a highly optimized, turnkey handover for a single buyer or a small portfolio team.</p><p><b>Tech Stack</b></p><ul> <li><b>Flutter (Frontend):</b> Built the cross-platform mobile client, keeping the codebase completely ready to compile and launch on iOS immediately.</li> <li><b>Dart &amp; Shelf (Backend):</b> Created a unified, single-language server ecosystem hosted serverless on <b>Google Cloud Run</b> that automatically scales to zero when idle.</li> <li><b>Cloudflare R2 (Storage):</b> Hosts all user-generated AI videos with <b>$0 data egress fees</b>, keeping operational margins above 70%.</li> <li><b>Firebase (Infrastructure):</b> Handles secure, hassle-free user authentication and core cloud configurations.</li> </ul> <p><b>Revenue and profit</b></p><ul> <li><b>ARR (Projected):</b> <b>$1,415</b> (Based on May 2026 revenue of $117.96).</li> <li><b>Lifetime Revenue:</b> <b>$562.95</b> (100% organic gross revenue since launch).</li> <li><b>Net Profit Margin:</b> <b>70%+</b> (May incurred only $25 in total infrastructure/API costs).</li> <li><b>CAC:</b> <b>$0.00</b> (1,100+ installs driven entirely by free organic ASO).</li> <li><b>LTV &amp; Retention:</b> Powered by repeat purchases of transactional credit packs; subscription churn is <b>0% (N/A)</b>.</li> <li><b>Operating Costs:</b> <b>$0.00 idle server costs</b> (Google Cloud Run scales to zero) and <b>$0.00 data egress fees</b> (Cloudflare R2 hosting).</li> </ul> <p><b>Return on investment</b></p><ul> <li><b>Baseline:</b> ~7–9 years under purely passive, zero-effort management at current baseline revenue.</li> <li><b>Accelerated Target:</b> <b>6 to 12 months</b> by executing immediate, low-hanging scaling levers.</li> </ul> <p><b>How Buyers Can Achieve It</b></p><ul> <li><b>Launch on iOS (Day 1):</b> The client application is entirely built in cross-platform Flutter. Compiling and releasing it on the iOS App Store immediately opens up a historically higher-spending consumer demographic.</li> <li><b>Introduce Subscriptions:</b> Supplement the current pay-as-you-go credit packs with a weekly or monthly premium "Pro" tier to instantly build predictable, compounding MRR.</li> <li><b>Scale the Traffic Funnel:</b> The app currently converts over 1,100 installs with $0 ad spend. Introducing basic short-form video marketing (TikTok/Reels) will act as a direct multiplier on an already proven, organic funnel.</li> </ul> <p><b>Startup assets<b></b></b></p><ul> <li><b>1 Full Cross-Platform Flutter Frontend Codebase:</b> Fully optimized mobile client source code, 100% ready to compile and launch on the iOS App Store immediately.</li> <li><b>1 Production-Grade Serverless Dart (Shelf) Backend Codebase:</b> Lightweight, single-language server framework engineered for Google Cloud Run.</li> <li><b>1,100+ Organic User Installs:</b> Existing user base consisting of 900+ installs via the Google Play Store and 200+ via alternative Android storefronts.</li> <li><b>1 Active Google Play Console App Listing:</b> Complete ownership transfer of the live application listing and store presence.</li> <li><b>3 Cloud Infrastructure Configurations:</b> Turnkey handover of 1 configured Firebase authentication project, 1 Google Cloud Run deployment setup, and 1 zero-egress Cloudflare R2 storage bucket setup.</li> <li><b>2 Technical &amp; Operational Blueprints:</b> Full access to Technical_Architecture_and_Operations.pdf and Organic_Acquisition_and_ASO_Overview.pdf for a frictionless, zero-downtime technical handover.</li> <li><b>1 Complete Financial Tracking Ledger:</b> Historic P&amp;L data and product transaction records accounting for all $562.95 in lifetime revenue.</li> </ul> <p><b>Risks</b></p><p><b>1. Third-Party AI API Dependency</b></p><ul> <li><b>The Risk:</b> The app relies on external generative AI APIs to process video requests. Any unexpected pricing hikes or API downtime from these providers could impact profit margins.</li> <li><b>How to Minimize:</b> The Dart backend is architected to be highly modular. If a specific provider changes its terms, the integration endpoint can easily be swapped for an alternative model provider (such as Replicate, RunPod, or Fal.ai) with minimal code adjustments.</li> </ul> <p><b>2. Platform Concentration (Android Only)</b></p><ul> <li><b>The Risk:</b> Currently, 100% of the user base and revenue is concentrated on the Google Play Store and alternative Android storefronts.</li> <li><b>How to Minimize:</b> This risk doubles as an immediate growth opportunity. Because the frontend is entirely written in cross-platform <b>Flutter</b>, a buyer can instantly mitigate single-platform dependency by compiling and launching the application on the iOS App Store.</li> </ul> <p><b>3. Fluctuations in Transactional Revenue</b></p><ul> <li><b>The Risk:</b> A pay-as-you-go credit economy means revenue depends on ongoing user creation cycles rather than predictable, recurring monthly billing.</li> <li><b>How to Minimize:</b> A buyer can quickly introduce a hybrid monetization model by adding a weekly or monthly "Pro" subscription tier alongside the existing credit packs to lock in a predictable baseline MRR.</li> </ul> <p><b>Why Buyers Should Acquire This Project</b></p><p>This asset is an exceptional acquisition opportunity for portfolio builders, developers, or growth marketers looking to enter the high-demand generative AI space with a fully validated, production-grade product.</p><p><b>1. Extreme Value Discount (The "Build vs. Buy" Advantage)</b></p><p>Hiring a senior full-stack engineer to spend months architecting, developing, and deploying a unified cross-platform Flutter client and a serverless Dart backend would easily cost <b>$15,000 to $25,000 in development fees alone</b>. At a <b>$10,000 asking price</b>, you are acquiring a beautifully written, enterprise-grade codebase at a steep discount, completely skipping the high-risk "0 to 1" engineering phase.</p><p><b>2. Pristine, High-Margin Infrastructure</b></p><p>The technical architecture was designed specifically to maximize profit and eliminate operational headaches:</p><ul> <li><b>70%+ Net Profit Margin:</b> Verified performance (e.g., $117.96 in May revenue against just $25 in infrastructure costs).</li> <li><b>$0.00 Idle Server Costs:</b> The Dart/Shelf backend runs serverless on Google Cloud Run, automatically scaling down to zero when requests are inactive.</li> <li><b>$0.00 Data Egress Fees:</b> All video assets are hosted via Cloudflare R2, protecting you from massive bandwidth penalties as your user base scales.</li> </ul> <p><b>3. Validated Organic Traction ($0 CAC)</b></p><p>You do not have to worry if the market wants this tool—it has already been proven. The app has captured <b>1,100+ user installs and generated $562.95 in lifetime revenue</b> purely through organic search and App Store Optimization (ASO). You are taking over a healthy, converting traffic funnel with zero ad spend history, meaning any paid marketing you introduce will act as a direct multiplier on an already converting asset.</p><p>✅ $565 TTM revenue</p><p>✅ 60 customers</p><p>✅ Business model: Credits</p><p>✅ Built with Cloudflare, Google Analytics, Flutter</p>