DueMark
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Your personal date keeperDesigned for iPhone

Keep what matters,
close to heart.

Some days deserve a little more care.
From an important date to every anniversary,
DueMark keeps the details close.

Meet your date keeperSee the app
Date recordsStart with one dateiOS 17+
DueMark calendar interface showing anniversaries and events by month
DueMark date list showing holidays, birthdays and day counts
Important things, remembered earlyLeave a little room for every date
The days you have shareddeserve to be kept close
A LITTLE REMINDER. A LASTING MEMORY.

TRACK YOUR DATESKEEP WHAT MATTERS

Track your dates. Keep what matters.

MADE FOR YOUR EVERYDAY

The small things in life,
handled with care.

Record important dates.
Count up or down.
Set reminders when you need them.

01 / DATE RECORDS

Turn a date
into a clear note.

Save dates, notes and reminders in one place.
Keep the details easy to find
when you need them.

Family birthdayImportant date · Count up / down
3 days
Keep it in sightOpen date details
Date records · reminders · notes
02 / IMPORTANT DATES

Some days mean more
the longer you count.

Count up to a memory or down to a birthday.
Keep anticipation and affection
in one place.

You and I have known each other for2,242 daysFrom that day, to every day
Count up / down · anniversaries · notes
03 / DATE HISTORY

Time moves forward,
your record stays.

Keep a clear history of your date records and changes.
Review the details that matter
to you.

Birthday reminderToday
Reminder set3 days ago
Date addedAt the start
Date history · notes · reminders

Every feature gives important things a clear next step.

A CLOSER LOOK

A little simpler,
remember a little more.

Familiar actions, a clear interface, and dates that fit naturally into every day.

01 / SEE WHAT MATTERS

What is coming,
and what has passed.

Upcoming holidays, family birthdays and the days you have shared. Keep anticipation and memories together in one clear view.

  • Count up or down at a glance
  • See important dates together
  • Know the next anniversary
Real app interface
0105

PEACE OF MIND, BY DESIGN

What you take care of,
we take seriously.

Record important dates.
See saved details.
Set reminders when needed.

Local cache

Previously loaded dates may remain visible when a connection is unavailable.

Only what you choose

You add the dates. DueMark does not read your messages, contacts or payment data.

Clear date details

Keep the notes and reminder settings that help you remember.

Your data, your copy

Export your records and keep a backup wherever you choose.

A FEW THINGS TO KNOW

A few answers
before you begin.

Simple answers about DueMark.

How is DueMark different from Calendar or Reminders?

DueMark focuses on date records: count up or down, reminders and a clear view of important dates.

Which devices can I use?

DueMark is available for iPhone with iOS 17 or later. Check the App Store listing for the latest device availability.

Can I view dates without a connection?

Previously loaded dates may remain visible from local cache. Creating, editing and syncing records depends on the connection and app availability.

What if I delete or change a date by mistake?

Use the date details and reminder settings in the app to review the information you entered.

Is DueMark free?

DueMark offers a free experience and a Pro plan. Pricing and limits are shown on the App Store and in the app.

Will a reminder always arrive?

Reminders need system notification permission and can be affected by Focus modes or system scheduling. Keep another reminder for critical dates.

LIFE MOVES. KEEP THE MOMENTS.

Remember what matters,
starting today.

Give the next thing a place. Give the past a trace.

Designed for iPhone · iOS 17+

Date overview

Full date overview screenshot
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