DailyBro

Private AI coach using gpt-oss-20b that runs 100% offline, helping people with ADHD/anxiety organize their day through transparent reasoning, turning chaos into clarity without compromising privacy

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Inspiration

ADHD affects 366M adults worldwide, yet most productivity tools are built for neurotypical brains. After watching my co-founder struggle with 15+ todo apps that created more anxiety than clarity, we realized: people don't need another task manager—they need an AI that understands their unique brain patterns.

gpt-oss's transparent reasoning was the breakthrough. Unlike black-box models, users can see HOW the AI thinks about their day, building trust crucial for mental health support.

What it does

DailyBro transforms daily chaos into structured progress through mindful AI conversations that work 100% offline: 🎯 Smart Daily Orchestration

  • Adapts reasoning effort (low/medium/high) based on task complexity
  • Auto-extracts tasks from natural conversation
  • Guides through 7-section daily template (Morning Rituals → Evening Reflection)

🧬 ADHD-Optimized Features

  • Emotional state detection adjusts coaching style in real-time
  • Dopamine-friendly gamification with progress streaks
  • Body-doubling mode for focus sessions

🔐 Privacy-First Architecture

  • Runs entirely on-device with gpt-oss-20b
  • Zero cloud dependency = zero data leaks
  • Personal fine-tuning stays local

How we built it

Tech Stack Architecture:

  • Frontend: Expo (React Native) → Cross-platform mobile
  • Backend: gpt-oss-20b with Ollama → Local inference
  • Tools: Browser search, calendar sync
  • State: Local SQLite + Vector DB for memory

Unique gpt-oss Implementations:

  1. Adaptive Reasoning Pipeline
  2. Low effort: 50ms responses for quick check-ins

  3. High effort: Deep reflection with full chain-of-thought exposed

  4. Trust-Building Transparency

  5. Users see reasoning process via harmony format

  6. "Why did AI suggest this?" → Full explanation available

  7. Local Fine-Tuning Loop

  8. Learns user's communication style

  9. Adapts to individual ADHD patterns

  10. No data ever leaves device

Challenges we ran into

Technical:

  • Reasoning latency → Implemented adaptive effort levels
  • Context management → Custom sliding window for conversation history

Product:

  • Balancing AI assistance vs user autonomy
  • Making chain-of-thought readable for non-technical users
  • Preventing over-reliance while building healthy habits

Accomplishments that we're proud of

✨ First fully-private ADHD coaching AI 🔒 Zero data breaches possible - everything stays local

What we learned

gpt-oss's transparent reasoning builds unprecedented trust - users feel understood, not judged Local models can match cloud performance with proper optimization Privacy isn't a feature. It's a fundamental human need for mental health apps ADHD brains need flexibility, not rigid systems

What's next for DailyBro

🚀 Immediate (Month 1): Voice mode with Whisper integration Peer accountability network (P2P task delegation)

🌟 Future Vision: Federated learning across devices (privacy-preserved) Open-source core to democratize mental health AI Integration with wearables for biometric-aware coaching

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