Koi  ·  iOS beta  ·  Fall 2026

Am I actually doing the things I said I would?

Habits, to-dos, fitness, and nutrition in one system. Koi works alongside the tools you already use and holds you to what you planned.

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HabitsTo-dosMovementIntake
Koi Hub screen showing an 83 percent balance score with habits, nutrition, and exercise progress lines
Why it exists
5apps
+ 1 notes file
GoalsHabitsWorkoutsMealsTo-dosNotes

I was running my life across five apps and a notes file, and none of them knew about each other. Goals in one place. Habits in another. Workouts somewhere else. Each app was fine on its own.

The problem was that no single one of them could answer the only question that matters: am I actually doing the things I said I would?

To-do apps are too rigid and only hold tasks. Notion and its relatives are too open-ended, so you spend more time building the system than using it. Koi is opinionated. It has a point of view about what you need to see, so there is nothing to assemble before you start.

Inside KoiWorking beta

One calm screen for each part of your day.

Hub screen
HubOne balance score across habits, nutrition, and exercise, with your streak beside it.
Intake screen with calories, protein, and AI food logging
IntakeCalories and protein against your targets. Snap a photo or describe a meal and Koi estimates the nutrition.
Calendar screen for October 2026
CalendarHabits and dated to-dos on one month view, so you can see the week before it gets away from you.
Movement screen showing logged workouts and steps from Apple Health
MovementWorkouts, sets, and reps, with steps from Apple Health. Rest days don't count against you.
Works with what you use

Keep your tools. Koi keeps you on track.

Almost everyone we talked to had tried a system before. Those systems rarely failed loudly. They died quietly, because keeping them up took effort and nothing held anyone to it. So Koi doesn't ask you to move your life into a new app. It writes to the places you already check, and spends its effort on accountability.

  • [×]Quick notesSaved straight to NotesLive
  • [×]Dated to-dosWritten to your calendarLive
  • [×]Steps and movementPulled from Apple HealthLive
  • [×]Check-ins and resetsNotifications that catch you before you fall offLive
How it's built

Anyone can add a screen. Most of the work has been removal.

Opinionated

Every feature makes the product slightly less clear about what it's for. Koi decides what you need to see so you don't have to build it.

Shaped by interviews

Notes integration, personalized notifications, and widgets all came from people describing how their own systems fell apart.

Built for resets

Falling off is normal. Koi is designed around getting back on track, not around a perfect streak.

Help shape Koi  ·  8 questions

Tell us how you keep track of your week.

Tap through a quick survey about the apps you use, what falls off first, and what gets you back on track. Every answer goes straight into what we build next.

About 60 secondsTap to answerEmail optional
Beta  ·  Fall 2026

Help us find out if it works for you.

Koi is a working iOS beta through the Apple Developer Program, going into real testing this fall. We're looking for people who keep trying, keep falling off, and are patching it together with tools that don't talk to each other. If that's you, or you just want to tell us how you keep track of your week, write to us.

koiappcommunity@outlook.com
Test the beta Connect with us
Mail app didn't open? Draft it in Gmail or Outlook.
iPhone only for now. Tell us what you use today and we'll take it from there.