A private activity tracker for adults

Quit something on your terms. Record what happens.

Name something you want to stop or do less often. Choose a plan—or count first—and record what happens. Your details stay on your phone.

Not released yet — the release will be announced on the updates page, which has an RSS feed.

Made for iOS and Android. Intended for adults 18 and over.

See the three-step tour ↓

An illustration of the app's home screenA phone illustration showing Late snacks, a decreasing plan, one of two recorded today, a next planned time, and a Record snack action.YOUR ACTIVITYLate snacksReduce over time · planned by you2 a day01of 2 recorded todayPlan and records stay distinctNext planned time6:30 PMRecord snack
An illustration, not a screenshot — the app has not been released yet.

The everyday flow

See how Quitmark works

  1. 01

    Name it yourself

    Count each time, or enter an amount. No preset subjects.

  2. 02

    Choose a starting point

    Pick a stop date, reduce over time, or record before setting a target.

  3. 03

    Record what happens

    See your records beside the plan. A blank day remains unknown.

Illustrative examples of the app’s flow, not screenshots.

The plan is a calculation. Only what you enter becomes a record; a blank day stays unknown.

  • Moments and notes
  • Pause timer
  • Free Progress markers
  • Optional spending estimates

Explore the full walkthrough

Private by design

No account or Quitmark-operated Activity-data server. Your records stay in app storage on your phone. Export, import and delete are free.

How storage and backups work

Free to use, with one optional unlock

The tracker is free. Quitmark Plus is a one-time purchase for additional features; store pricing is still being finalized.

Compare Free and Plus

Learn more

All guides and updates