Welcome to Kintsugi Utils

A personal toolbox for health, finance, academics, and everyday life. Let's get you set up — it only takes a moment.

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Kintsugi Utils is intended for users aged 13 and above (16+ in EU countries where that's the threshold). Please confirm your age to continue.

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Habits

Build and break habits with daily tracking

Build or break a habit?

Small daily actions lead to big changes. What do you want to work on?

About the Habit Tracker

What is this?

Habits are the building blocks of daily life. Research by Duke University suggests that around 40% of our daily actions are habitual rather than conscious decisions. A habit tracker works by making the invisible visible — each check-in is a small act of self-awareness that reinforces the behaviour. The streak itself becomes the reward, tapping into the same psychology that makes games engaging.

How it works

Each habit has a mode (build or break), a target duration, and a daily log. Checking in each day extends your streak; missing a day resets it. When you reach your target number of logged days, the habit is marked complete and added to your Trophy Shelf. You can track as many habits as you like simultaneously.

Reference ranges

21 daysCommon myth — often not enough
66 daysResearch-backed average
90+ daysDeeply ingrained habits
Good to know: A landmark University College London study found that it takes an average of 66 days to form a new habit, though this varies widely (18 to 254 days) depending on the person and the behaviour. Missing a single day does not derail the process — what matters is getting back on track quickly.

Frequently asked questions

What happens if I miss a day?

Your streak resets to zero, but the habit itself is not lost. Research shows that occasional missed days do not significantly affect long-term habit formation. The key is to resume as soon as possible rather than giving up entirely.

Should I track multiple habits at once?

Start with one or two to avoid overwhelm. Once those are established, add more. Trying to change too many behaviours simultaneously often leads to abandoning all of them.

Is it better to build or break habits?

Both are valuable, but building a new positive habit is often easier than breaking an old one. If you are trying to break a habit, try replacing it with a healthier alternative rather than simply trying to stop.

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Habits

Build or break habits with daily tracking and streaks. Check in each day to keep your streak alive.