Harmony AI is a voice-based executive assistant to manage Gmail and Google Calendar hands-free, with 44+ built-in tools for email and calendar actions.
MRR (USD)
TRAILING 30D REVENUE
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LIFETIME REVENUE
TARGET CUSTOMER
Busy Gmail/Google Calendar users and professionals who want hands-free email and calendar management while commuting, exercising, doing chores, or walking.
TIMELINE
- Started 30‑day build — May 1, 2025 → May 1, 2025
Committed to build and ship the app within 30 days.
- Waitlist live — May 14, 2025 → May 14, 2025
Launched public waitlist for Harmony.
- OAuth scope approved (Gmail modify) — June 24, 2025 → June 24, 2025
Passed Google verification for Gmail modify scope.
- App Store approval — June 27, 2025 → June 27, 2025
Harmony approved for distribution on the App Store.
- App Store launch — July 2, 2025 → July 2, 2025
Publicly listed on the App Store.
- First MRR — July 11, 2025 → July 11, 2025
First recurring revenue recorded.
- MRR > $100 — July 21, 2025 → July 21, 2025
Monthly recurring revenue surpassed $100.
- MRR hit ~$300 — August 7, 2025 → August 7, 2025
Reached ~$310 MRR milestone.
- Product Hunt launch — August 16, 2025 → August 16, 2025
Launched on Product Hunt.
TECH STACK
iOS app integrating with Google APIs (Gmail modify scope approved; Calendar and Contacts scopes approved via CASA/OAuth verification). Uses OpenAI (GPT-5) and Real-time API for voice; on-device iOS TTS focus for privacy; CarPlay support planned.
LATEST USERS
USERS CHANGE
FINANCIALS
- revenue — $400 USD · as of September 1, 2025 $157,263 from my ecom shop in August. $400 from @useharmony .
TRACTION
FOUNDERS
Founder of the AI startup Harmony; transitioned to a technical founder; runs an e-commerce shop with $1M+ annual sales; built and shipped the Harmony iOS app and connected Gmail tools.
Co-founder of Harmony; machine learning practitioner with experience training IJEPA models.
PRODUCT–FOUNDER FIT
Nathan Covey built Harmony to manage email on the go (driving/walking), aligning with his newfound focus on mobile app development and hands-on integration of Gmail tools and voice AI.