Customer Stories

How Midoo AI Scaled to 15K+ Daily Avatar Sessions with Spatius

ST
Spatius Team
Jul 1, 20264 min read 分钟阅读

A real-time avatar layer turned AI language tutoring into a daily habit — and grew usage 173% month over month.

Midoo AI at a glance

Customer
Industry
AI Language Learning
Use case
AI tutor / language learning agent at consumer scale
✦ Key metrics
  • 15K+ avatar sessions processed daily
  • ~173% month-over-month growth in avatar usage
  • ~10 avatar learning sessions processed every minute

The challenge

Language learning lives or dies on repeated practice. Learners need to speak, listen, stumble, and try again — all in a low-stakes environment where it’s safe to make mistakes.

Midoo AI knew that voice-only AI tutors weren’t enough. Learners disengaged. Sessions were short. Retention was hard. The team needed something that made AI conversation feel less like talking to a bot, and more like learning with a person.

They didn’t need a demo. They needed a production-grade avatar layer that could run inside a live consumer product — at scale, every day.

Why Spatius

Midoo embedded Spatius as the real-time avatar layer inside their AI tutoring experience. The avatar isn’t decoration — it’s part of the core learning loop:

  • Learner enters a speaking session
  • AI tutor responds in real time
  • Avatar delivers natural lip-sync, expression, and presence
  • Learner stays in the flow longer

That loop creates a different requirement from a short avatar showcase. The layer needs to support frequent, repeated usage — and stay lightweight enough for learners to come back every day.

The results

With Spatius, Midoo AI is processing 15K+ avatar sessions daily, with avatar usage growing 173% month over month. On average, the product handles nearly 10 avatar learning sessions every minute.

These aren’t pilot numbers. Avatar interaction is becoming part of daily learning behavior — not a side experiment.

Spatius handles the rendering pipeline so Midoo stays focused on pedagogy, content, and the learner experience. Light enough for daily mobile use, stable enough for production scale.

12 diverse AI avatar characters created by Midoo using Spatius avatar creation — ranging from young professionals to friendly tutors in varied ethnicities, ages, and visual styles

Midoo used Spatius’ avatar creation to build 12 distinct characters for their learning product — spanning different ages, ethnicities, and visual styles, from young professionals to friendly tutors. The variety shows how avatar creation can support a diverse character library from a single reconstruction pipeline, without requiring per-character visual tuning.

The variety shows how avatar creation can support a diverse character library from a single reconstruction pipeline, without requiring per-character visual tuning.

What it means

Midoo validates that real-time avatars aren’t just for demos or enterprise proof-of-concepts. When integrated into a real product loop, avatars drive engagement at measurable scale.

For AI tutor builders, the takeaway is clear: the difference between a one-time trial and a daily habit often comes down to experience. Real-time presence — a face that responds — makes AI conversation feel worth coming back to.

Build with Spatius

Building an AI tutor, language learning app, or real-time avatar product?

Spatius gives teams the avatar rendering layer to ship production-grade, high-frequency avatar experiences — without building the stack from scratch.

Try Midoo: App Store · Google Play

Add real-time avatar interaction to products built for high-frequency usage and production-scale deployment. Get started for free, or ,或Book a demo.

Customer StoriesMidoo AIAI Language LearningAI TutorReal-Time Avatar
ShareX (Twitter)LinkedIn