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V1 · Web BetaNYC + Paris

BUILD YOURBEST DAY

Kinstl is an AI assistant that plans days that actually work. Tell it what tomorrow needs, from meetings and errands to the gym, and it builds the best achievable day with real transit checked between every stop.

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How it works

Three steps to a day that holds up.

  1. 01

    Tell it what matters

    Add commitments, to-dos, routines, and the places you go. Type it to the assistant in plain language, or add items yourself.

  2. 02

    Get the whole day, solved

    A constraint solver places everything at once (fixed events, flexible work, meals, travel) and checks real transit between every stop.

  3. 03

    Adjust as the day moves

    Running late or adding an errand? Ask for the change in chat. Kinstl replans the rest of the day and shows you what moved.

Inside Kinstl · Recorded session

Watch one real New York day take shape.

This is the actual Kinstl dashboard replaying a recorded Tuesday in New York: what Kai asked for, the plan Kinstl built, and the transit it checked for every trip. Let it play, step through it, or click around. Nothing here changes a real account.

Replay · step 13 of 13

Gym and dinner protected

Kai's recorded New York day, as planned by Kinstl

  1. 07:33–08:15 Morning commute (Home → Blue Bottle Coffee · Broad Street via M15, Q, 3)
  2. 08:15–08:31 Coffee at Blue Bottle at Blue Bottle Coffee · Broad Street
  3. 08:31–08:48 Coffee → work (Blue Bottle Coffee · Broad Street → 200 West St on foot)
  4. 08:48–17:41 Deep work block at 200 West St
  5. 17:41–18:09 Work → gym (200 West St → TMPL Astor Place via 1, M8)
  6. 18:09–18:56 Gym session at TMPL Astor Place
  7. 18:56–19:35 Gym → home (TMPL Astor Place → Home via M101)
  8. 19:35–20:13 Time at home at Home
  9. 20:13–20:52 Dinner run (Home → The Nines via M101, 6)
  10. 20:52–22:17 Dinner at The Nines at The Nines
  11. 22:17–23:02 Dinner → home (The Nines → Home via M101)

The team

Built by its founders.

Kinstl is an independent, bootstrapped company founded in 2025. Questions, feedback, or partnerships go straight to the people building it.

About the companyhello@kinstl.com
Web Beta · Live Now

Live in New York and Paris.

Optimize your whole day in the browser with route-aware plans and an assistant connected to your planning tools. More cities will follow as local coverage is proven.