Best Mark Days Apps & Games

221+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated July 2026

Whether you're new to mark days or looking for an upgrade, our curated collection of 221+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Mark Days Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Mark Off: Calendar & TrackerMark Off: Calendar & TrackerFree4.5★ (281)YesYesJul 2026
2倒数日 · Days Matter倒数日 · Days MatterFree4.8★ (8K)YesYesJul 2026
3DayCountDayCountFree4.7★ (26K)NoYesJul 2026
4MarkedDays - Count to daysMarkedDays - Count to daysFree5.0★ (1)NoYesMay 2026
5Days + Date + Time CalculatorDays + Date + Time CalculatorFree4.7★ (795)YesNoJul 2026
6Countdown Days Since & UntilCountdown Days Since & UntilFree4.8★ (2.3K)YesYesJul 2026
7Six Pack in 30 Days: Core, AbsSix Pack in 30 Days: Core, AbsFree4.8★ (38K)YesYesJul 2026
8Big Day Lite - Event CountdownBig Day Lite - Event CountdownFree4.0★ (34)NoNoJul 2026

Top Picks for Mark Days

Mark Off: Calendar & Tracker#1

Mark Off: Calendar & Tracker by Viktor Gavrilov

Habits Mood Streaks Work Trips
Editor's Choice
📊 Productivity
4.5😊(281 ratings)
FreeAdsIn-App Purchases
Mark Off: Calendar & Tracker screenshot 1
Mark Off: Calendar & Tracker screenshot 2
Mark Off: Calendar & Tracker screenshot 3
Mark Off: Calendar & Tracker screenshot 4
Mark Off: Calendar & Tracker screenshot 5
Mark Off: Calendar & Tracker screenshot 6

Organize your life and visualize progress with a versatile calendar and tracker. Create custom calendars for habits, travel, deadlines, work, and more, with visual progress tracking and customizable widgets.

What We Love

  • 👍 Simple and intuitive interface
  • ✅ Effective habit and streak tracking
  • 🎨 Customizable colors and marking options
  • 📱 Excellent home screen widgets

Room to Improve

  • 🐛 Frequent data loss and deletion issues
  • 🐛 App freezing and crashing problems
  • 🐛 Widget functionality inconsistencies
倒数日 · Days Matter#2

倒数日 · Days Matter by iDaily Corp.

全新锁屏小组件 不再忘记重要的日子
Strong Contender
📊 Productivity
4.8😊(8K ratings)
FreeAdsIn-App Purchases
倒数日 · Days Matter screenshot 1
倒数日 · Days Matter screenshot 2
倒数日 · Days Matter screenshot 3
倒数日 · Days Matter screenshot 4
倒数日 · Days Matter screenshot 5
倒数日 · Days Matter screenshot 6

This app helps you track important dates, from birthdays and anniversaries to deadlines and personal milestones. It offers extensive date range support, cloud synchronization, and customizable categories to keep your memories and tasks organized. Features include historical date lookups and a built-in calculator.

What We Love

  • 👍 Simple and easy to use
  • 📆 Helps remember important dates
  • 🗓️ Useful for tracking events and milestones
  • 🧠 Aids in recalling memories

Room to Improve

  • 💰 Some features require paid subscription
  • 🌐 Lack of English language support
  • 🔧 Occasional bugs and crashes
DayCount#3

DayCount by Zaminiti Pty Ltd

Countdown Days Until Or Since
Worth Considering
📊 Productivity
4.7😊(26K ratings)
FreeIn-App Purchases
DayCount screenshot 1
DayCount screenshot 2
DayCount screenshot 3
DayCount screenshot 4
DayCount screenshot 5
DayCount screenshot 6

Track time towards future events or since past milestones. Set custom reminders, build positive habits with streak tracking, and visualize your progress with customizable widgets. Stay organized and focused on what matters most.

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Clean and fast app
  • 💡 Customizable backgrounds and themes
  • 🎨 Beautiful and visually appealing design

Room to Improve

  • 🔒 Requires sign-in/account to use full features
  • 💰 Paid subscription for advanced features
  • 🐛 Bugs and glitches after updates

More Mark Days apps to explore

4
MarkedDays - Count to days
MarkedDays - Count to days
MarkedDays - Count to days
Mark important days in life
Free

This tool helps you remember and count down to significant life events like anniversaries, birthdays, and important schedules. Receive timely reminders so you never miss a special occasion. Track both past and future important dates.

Mark important life daysCount down to eventsTrack past events
🔧 Utilities
(1)
free with in-app purchases
5
Days + Date + Time Calculator
Days + Date + Time Calculator
Days + Date + Time Calculator
Days Between Two Dates
Free

Calculate the duration between two dates and times. This tool helps you find the exact number of days, hours, and minutes between any two points in time.

Calculate days between datesCalculate duration between dates and timesCalculate duration between times
📊 Productivity
(795)
ad-supported
6
Countdown Days Since & Until
Countdown Days Since & Until
Countdown Days Since & Until
Quit Habits & Track Events
Free

Track important dates by counting down or up in various time units. Customize events with photos and icons, and receive timely reminders. Sync across devices and share your countdowns easily.

Unlimited event trackingCustomizable event visualsCalendar event import
🔧 Utilities
(2.3K)
free with in-app purchases
7
Six Pack in 30 Days: Core, Abs
Six Pack in 30 Days: Core, Abs
Six Pack in 30 Days: Core, Abs
6 Pack Abs & Home Workout
Free

Achieve toned abs and lose belly fat with a home workout planner. Offers daily routines for all levels, requiring no equipment. Get your dream six-pack in 30 days with guided exercises.

30-day workout routinesBeginner to advanced levelsNo equipment needed
💪 Health & Fitness
(38K)
subscription
8
Big Day Lite - Event Countdown
Big Day Lite - Event Countdown
Big Day Lite - Event Countdown
Track your big days on widgets
Free

Easily track important upcoming events with visually appealing widgets for your home screen. Customize backgrounds with your own photos and enjoy a simple, intuitive interface. Get timely reminders and share your special days with friends.

Home screen widgetsCustomizable photo backgroundsEvent sharing
🔧 Utilities
(34)
free
9
TheDayBefore (days countdown)
TheDayBefore (days countdown)
TheDayBefore (days countdown)
Style your own D-Day
Free

Easily manage important dates and countdown to special events with customizable widgets and decorative options. Record memories, share milestones with loved ones, and organize your schedule by category. Never miss a precious moment again.

Customizable D-Day countdownsLock screen and home screen widgetsMultiple calculation methods (days, months, weeks)
🌟 Lifestyle
(1.1K)
free with in-app purchases
10
Days - Sobriety Counter
Days - Sobriety Counter
Days - Sobriety Counter
Sobriety and Personal Tracker
Free

This app helps you track your sobriety and personal goals with a clean, intuitive interface. Monitor your progress in various units and utilize a convenient home screen widget for quick updates. Report bugs and suggest features directly from the app.

Sobriety trackingPersonal goal trackingMultiple unit display (days, weeks, months, years)
🌟 Lifestyle
(868)
subscription
11
Countdown Days - Day Count
Countdown Days - Day Count
Countdown Days - Day Count
Countdown Days Until or Since
Free

Track important upcoming events and past anniversaries with this straightforward countdown application. It helps you visualize the time remaining until significant dates or the duration since memorable occasions.

Event countdownsPast event trackingBeautifully simple interface
🌟 Lifestyle
(310)
free
12
Marked by King Bs
Marked by King Bs
Marked by King Bs
by Day7
Free

Navigate a high school romance filled with unexpected twists. You're drawn into a world of distinct personalities, from a scary "F**Kdere" to a childhood friend and a baseball bat-wielding "Good Hitter." Can you find connection amidst the chaos of these five boys?

Interactive story choicesMultiple male lead charactersBranching narrative paths
🎮 Games
(2.3K)
free with in-app purchases
13
75 Days Challenge Tough & Soft
75 Days Challenge Tough & Soft
75 Days Challenge Tough & Soft
75 soft medium fitness tracker
Free

This app supports a 75-day self-improvement and fitness challenge. It helps users track their daily tasks, stay motivated, and connect with a community of fellow participants. Unlock advanced features with an optional subscription.

75-day challenge trackingProgress monitoringMotivation tools
💪 Health & Fitness
(8.2K)
freemium
14
Days Mark - Countdown
Days Mark - Countdown
Days Mark - Countdown
Birthday & Event Reminders
Free
🔧 Utilities
(0)
15
Days • Countdown & Widgets
Days • Countdown & Widgets
Days • Countdown & Widgets
Countdown, widgets & reminders
Free

Track upcoming special moments with customizable countdowns. Visualize your events with beautiful imagery and access them directly from your home or lock screen. Never forget important dates like birthdays or anniversaries again.

Countdown to eventsCount up from past eventsLock screen widgets
🌟 Lifestyle
(10K)
free with in-app purchases
16
Days - Keeping track of events
Days - Keeping track of events
Days - Keeping track of events
Count days since/until events
Free

Easily track the number of days passed since or until important events. Monitor progress on habits, celebrate milestones, and stay motivated with customizable timers and streak tracking. Share your progress with others.

Count days since eventsCount days until eventsHabit tracking
📊 Productivity
(436)
free with in-app purchases
17
A&E: TV Shows That Matter
A&E: TV Shows That Matter
A&E: TV Shows That Matter
Watch your favorite TV series
Free

Stream full episodes and clips of popular A&E TV series, including true crime, biography, and reality shows. Discover new binge-worthy content and catch up on entire seasons. Create a profile to continue watching across devices.

Stream full episodes and clipsCatch up on entire seasonsExclusive clips and deleted scenes
🎬 Entertainment
(7.8K)
free with in-app purchases
18
DaysTill - Countdown & Countup
DaysTill - Countdown & Countup
DaysTill - Countdown & Countup
Track Events & Special Days
Free

Easily track upcoming events and past milestones with a clean, ad-free interface. Organize your life with customizable countdowns, reminders, and notes, all synced across your devices.

Count up and down for eventsPowerful tagging systemDesktop widgets
🌟 Lifestyle
(64)
freemium
19
Countdown Widget: Days Until
Countdown Widget: Days Until
Countdown Widget: Days Until
Birthday Timer & Vacation Day
Free

Easily track upcoming events with customizable widgets. Personalize your countdowns with photos or colors, and view them on your home screen or lock screen. Share excitement with friends and family.

Customizable widgetsPersonalize with photos/colorsLock screen countdowns
📊 Productivity
(226)
free with in-app purchases
20
Days To Countdown
Days To Countdown
Days To Countdown
Countdown Days & Widgets
Free

Easily track special events and moments with a modern countdown and reminder app. Customize events with backgrounds, colors, and fonts. Features home screen widgets and customizable notifications to ensure you never miss an important date.

Countdown and count up for eventsCustomizable event themes and backgroundsHome screen widgets
🌟 Lifestyle
(55)
free with in-app purchases

FAQ about Mark Days

What are the best mark days apps & games for iPhone?
Mark Off: Calendar & Tracker tops our mark days apps & games ranking as of July 2026, with a 4.5-star average from 281 App Store ratings, and it's free to download.
Yes — 20 of the top mark days apps & games we rank are free to download, including Mark Off: Calendar & Tracker and 倒数日 · Days Matter.
Mark Off: Calendar & Tracker shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 221+ mark days apps & games on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Mark Off is a visual tool designed to help you organize your life, track habits, and visualize your progress. It offers ten different types of calendars, including streak tracking for habits, travel logging, deadline management, work schedules, and life journey visualization.
Key features include multiple customizable calendar types for various needs like habits, travel, and deadlines. It also offers streak tracking with statistics, visual progress tracking, customizable widgets for home screen access, and the ability to add custom images to dates.