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The AI Coach That
Sees, Analyzes, & Talks

FitCoach AI uses on-device vision pose estimation combined with bidirectional Gemini Live Audio streaming to guide your form in real-time. Sub-second latency, zero keyboard inputs.

19+Joints Tracked
<1.0sResponse Latency
60%Token Savings
FitCoach AI Live Workout App Screen
Real-Time Pitch Demonstration

Watch FitCoach AI in Action

See how the iOS application streams real-time pose skeleton data and handles voice interruption coaching in live settings.

LIVE APP RECORDING PREVIEW
Core Capabilities

Dynamic Real-Time Intelligence

FitCoach AI maps body posture and delivers spoken guidance. The app reacts instantly as you move.

Sees

Captures full-body skeleton coordinates locally using Apple Vision API at 10 FPS, bypassing heavy video streaming overhead.

Vision19+ Joints10 FPS

Analyzes

Performs complex biomechanical analysis on incoming coordinate streams to identify form errors, range of motion, and pacing.

Gemini 2.5BiomechanicsReal-Time

Talks

Features bidirectional native audio response streaming. Bypasses text conversion to achieve sub-second dialogue delays.

Native Audio<1s LatencyBIDI Streaming

Adapts

Adjusts tone, feedback intensity, and language dynamically. Uses Voice Activity Detection to handle instant verbal interruptions.

VADMultilingualAffective Dialogue
19+
Joints Tracked
Full-body anatomical skeleton mapped locally.
<1.0s
AI Response
Dialogue latency from pose execution to voice output.
60%
Token Savings
Offloading pose processing saves image payload costs.
10
FPS Pose Rate
High-frequency tracking coordinates via iOS client.
0
Runtime Deps
Pure iOS framework integration and custom Python stack.
BIDI
Streaming
Bidirectional raw binary WebSocket communication.
Technology Infrastructure

Production Ready Stack

A hybrid edge-cloud pipeline optimized for visual frame processing, audio streaming, and biomechanical feedback.

Gemini 2.5 Flash

LIVE API

Core Multimodal LLM

Processes audio and image inputs simultaneously for contextual responses.

Google ADK

v0.3.2

Agent Orchestration

Integrates context rules, system instructions, and tool calling features.

Gemini Live API

BETA

Bidirectional WebSocket API

Allows raw audio stream streaming directly to the model context.

Pipeline Topology

System Architecture

Dual-rate asynchronous communication pipeline designed to minimize server load and token ingestion costs.

iOS Client
Apple Vision
JSON + PCM16
WebSocket Gateway
Secure WSS
Duplex Stream
FastAPI Orchestrator
Docker Containers
Google ADK
Gemini 2.5 Flash
Live Multimodal API
Pose Vectors (10 FPS)
JSON joint coordinate structures sent as text socket payloads.
Environment Context (0.4 FPS)
Compressed visual JPEG thumbnails capturing surroundings.
Native Audio Stream (Duplex)
Bidirectional PCM16 16kHz voice stream for verbal guidance.
Development Roadmap

MVP to Production Timeline

A phased integration roadmap detailing the shift from the current functional MVP to a global scale-ready architecture.

01

Voice & Personality Customization

MVP ACTIVE

Upgrading default voice responses with targeted clone signatures and modular personalities tailored for specific athletic goals.

Voice Cloning: Integration of custom voice profile signatures. (Personalized feel)
Tone Mapping: Adapting loudness based on physical effort markers. (Dynamic volume)
02

On-Device iOS Intelligence

NEXT

Integrating local Apple Foundation Models to handle initial posture assessments locally, decreasing data upload latency.

Local CoreML Models: On-device classification of posture exercises. (No network required)
Hybrid Routing: Sending anomalies to Cloud, basic checks on-device. (Saves cloud costs)
03

AWS Bedrock Multi-Model Routing

PLANNED

Integrating enterprise cloud endpoints to dynamically distribute workout sessions based on geographic latency and load parameters.

AWS Bedrock API: Accessing Claude and custom LLMs in failover groups. (99.9% availability)
Dynamic Balancer: Switches endpoints based on response speeds. (Stabilizes latencies)
04

Apple Watch & Feature Expansion

FUTURE

Connecting wearable telemetry streams (HR/HRV) and rolling out Nutrition tracking alongside multi-user Group workouts.

WatchOS CoreBluetooth: Real-time sync of cardiac effort metrics. (Precise fatigue checks)
RAG Knowledge Index: Ingesting user nutritional history data patterns. (Holistic advice)
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Partner & Invest

Interested in the future of AI-driven physical coaching? Submit your details to request pilot access, deck details, or investor credentials.

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