Building the Future of AI-Driven Social Apps for Gen Z

Industries

E-B2C Apps

Services

AI Integration & Model Deployment

Mobile App Development

Backend Engineering

Cloud Infrastructure & DevOps

Technologies

Swift, Ruby on Rails, Python, OpenAI, Custom LLMs, Voice Cloning APIs, Generative Video Models

About Letto AI

Letto AI is an innovative tech organization on a mission to reinvent how high school and college students connect and communicate. With a suite of AI mobile apps, Letto AI brings together voice cloning, LLMs, and generative video, all wrapped in entertaining, Gen Z-first digital experiences

Challenge

  • Quickly develop and launch multiple AI-based social apps in a short timeframe.
  • Keep infrastructure overhead low despite handling real-time media generation and LLMs. 
  • Seamlessly integrate complex AI/ML features like video generation and natural language interactions.
  • Create a scalable system that wouldn’t require rebuilding the backend for every new app.

Letto AI needed to rapidly launch AI-powered social apps at scale, without high infrastructure costs.

Our Solution

  • Delivered production-ready apps from idea to launch in under 7 days per app.
  • Built a centralized backend using Ruby on Rails that powers 10+  frontends with shared APIs and logic.
  • Implemented advanced AI models that enriched each app with interactive and generative capabilities.
  • Ensured all apps could scale quickly with minimal infrastructure complexity, ideal for high-growth B2C products.

Results

  • Less Than 7 Days per App 
  • One Core Rails Backend for 10 Apps
  • Plug and Play AI Features Across Apps
  • High user interactions across the Gen Z audience

Letto AI launched 10+ apps, plug-and-play features, and strong Gen Z engagement at scale.