Ten by Ninety: 90 Day AI Habit

Ten by Ninety is the friendliest way to build real fluency with today's AI — ten minutes a day, right on your phone.

Every new device gets a free 7-day Coach trial: unlimited in-app AI practice chat with today's leading assistants, all 90 days of curriculum unlocked, Fable stories, and the 12-Week Bonus Course. No credit card until you decide to keep it.

🎯 WHAT YOU LEARN
Three pillars over 12 weeks — designed for absolute beginners, all-day beneficial for pros:
• BRAIN (Days 1-30) — write prompts that get exactly what you asked for
• HANDS (Days 31-60) — delegate real work through AI workflows
• BUILDER (Days 61-90) — ship code alongside modern AI coding assistants

⚡️ WHAT'S INSIDE
• In-app AI practice chat — Coach & Founder tiers unlock the top model tier we route to
• Fast-tier AI chat — available on every paid tier for quick drafts
• 90 daily lessons with Show me · Tell me · Do · Check rhythm
• Real graded knowledge checks (never "just tick a box")
• Prompt-palette library — copy-ready templates + slash commands
• 12-Week Bonus Course, Cheat Sheet & Practice Certificate

💚 SIMPLE, HONEST PRICING
• Free — Days 1-10 + 7-day Coach trial
• Learner — $2.99/mo or $9.99 lifetime · Days 11-90 unlocked
• Coach — $6.99/mo or $29.99 lifetime · Everything + top-tier in-app AI chat
• Founder — $59.99/yr or $79.99 lifetime · Everything + lifetime updates

Prices shown in USD. Google Play charges each buyer in their local currency + local tax at checkout.

🔒 PRIVACY-FIRST
No account required. Your progress stays on your device. We never sell data.

⚖️ INDEPENDENCE NOTICE
Ten by Ninety is an independent daily-practice app built by Latitude 44. We are NOT affiliated with, endorsed by, or sponsored by Anthropic, OpenAI, Google, or any other AI company. References to specific AI assistants such as "Claude" appear in body copy for descriptive purposes only.

Claude, Claude Sonnet, and Claude Haiku are trademarks of Anthropic, PBC. Ten by Ninety references these products factually to describe app compatibility; no endorsement or affiliation is implied.