
chek: Habit Tracker, Daily Log
Grid, Calendar & Journal
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Free
In-App Purchases
Rating summary
About
Most habit apps turn one missed day into a broken streak. chek doesn't keep score. Mark what you did, see what you've built up, and get on with your day.
chek stays simple on purpose: add a habit, tap it done, and watch the pattern build in a calendar and a heatmap. That's the whole app.
TODAY
— One tap marks a habit done, a second tap clears it
— Add a value when it matters: minutes meditated, pages read
— Skip a day without it counting against you
— Mark yesterday from the same screen if you forgot
HISTORY
— A month calendar that fills in as your days do
— A heatmap for every habit, side by side, so you can compare them
— Totals for the week, the month or the year
REMINDERS
— A quiet nudge at the time you choose, only on days the habit is scheduled
— Already logged it? The reminder stays silent
— Several habits at the same time arrive as one notification
PRIVATE BY DEFAULT
Everything stays on your phone. There is no account, no sign-in and no ads. Export a backup file whenever you like and import it on a new phone.
Settings covers the basics: week start, backup, reminders, and a different app icon if you want one.
chek PRO
A one-time purchase, not a subscription. Free includes logging, skips, history, reminders and backup for up to five habits. Pro removes the limit and includes every Pro feature added later.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://apps.tmkm.dev/chek/privacy
For anyone who wants a simple way to keep a few habits going.
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What's New in chek
1.3.0
November 5, 2026
A calmer start and a clearer Today. Your heatmap fills in soft emerald so the log reads at a glance. Creating a habit is shorter, reminders stay optional, and everyday logging feels smoother.
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Subscriptions & In-App Purchases
$4.99
chek Pro: Lifetime
One-time purchase. Unlimited habits, forever.





