Best Mark Days Apps & Games

228+ iOS apps & games curated and reviewed

4.5 avg rating
20 free apps & games
Updated August 2026

Whether you're new to mark days or looking for an upgrade, our curated collection of 228+ 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Mark Off: Calendar & TrackerMark Off: Calendar & TrackerFree4.5★ (312)YesYesAug 2026
2倒数日 · Days Matter倒数日 · Days MatterFree4.8★ (8.1K)YesYesAug 2026
3WhatsApp MessengerWhatsApp MessengerFree4.7★ (18M)YesYesAug 2026
4DayCountDayCountFree4.7★ (26K)NoYesAug 2026
5DayMark: Countdown WidgetDayMark: Countdown WidgetFreeNoYesJun 2026
6DayMark-Habit Tracker CounterDayMark-Habit Tracker CounterFree4.7★ (6)NoYesAug 2026
7Countdown@Countdown@Free was $4.994.7★ (39K)YesYesAug 2026
8Target: Shop. Style. Save.Target: Shop. Style. Save.Free4.9★ (6.8M)YesNoAug 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😊(312 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😊(8.1K 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
WhatsApp Messenger#3

WhatsApp Messenger by WhatsApp Inc.

Simple. Reliable. Private.
Worth Considering
🌐 Social Networking
4.7😊(18M ratings)
FreeAdsIn-App Purchases
#2in Social Networking
WhatsApp Messenger screenshot 1
WhatsApp Messenger screenshot 2
WhatsApp Messenger screenshot 3
WhatsApp Messenger screenshot 4
WhatsApp Messenger screenshot 5

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

What We Love

  • 💬 Great communication tool
  • 🌍 Connects people globally
  • 🔒 Secure and private messaging
  • 📱 Versatile features (calls, video, groups)

Room to Improve

  • 🐛 Bugs and glitches (freezing, crashing, notification issues)
  • 🔒 Privacy concerns with data sharing
  • 🙈 Lack of customization and control (status, groups)

More Mark Days apps to explore

4
DayCount
DayCount
DayCount
Countdown Days Until Or Since
Free

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.

Event counters for countdowns and count-upsStreak and habit trackingCustomizable widgets for Home and Lock Screen
📊 Productivity
(26K)
subscription
5
DayMark: Countdown Widget
DayMark: Countdown Widget
DayMark: Countdown Widget
Special Day Event Reminders
Free
🔧 Utilities
(0)
6
DayMark-Habit Tracker Counter
DayMark-Habit Tracker Counter
DayMark-Habit Tracker Counter
Daily Routine, Streaks, Goals
Free

This tool helps you track daily routines and goals with a focus on detailed progress. It allows for nested sub-projects within main projects, enabling comprehensive monitoring of various aspects of your life, from fitness to personal development.

Create projects and subprojectsTrack daily check-insView check-in history
💪 Health & Fitness
(6)
free with in-app purchases
7
Countdown@
Countdown@
Countdown@
Widget, Vacation Wedding Timer
Free
$4.99 | 100% OFF

Easily track important life events with stylish countdown timers. Create custom events like vacations, birthdays, and holidays. View upcoming events with a convenient widget and even count up from past milestones.

Create custom event countdownsCount up from past eventsEvent timeline with diary and notes
🔧 Utilities
(39K)
free with in-app purchases
8
Target: Shop. Style. Save.
Target: Shop. Style. Save.
Target: Shop. Style. Save.
Deals on fashion & essentials
Free

Discover seasonal essentials, outfit ideas, and home decor. Shop deals on groceries, pantry staples, and gifts. Enjoy convenient services like curbside pickup and same-day delivery.

Shop seasonal arrivalsCurbside pickupSame-day delivery
🛍️ Shopping
(6.8M)
free with in-app purchases
9
DayMark Wealth Partners
DayMark Wealth Partners
DayMark Wealth Partners
by DayMark Wealth Partners, LLC
Free

Securely access your investment accounts using biometric authentication. Review account balances, holdings, and activity. Connect with your financial advisor to schedule appointments.

Biometric login (Touch ID/Face ID)Account balance and holdings reviewTransaction activity monitoring
💰 Finance
(1)
free
10
DayMark - CountDown Days
DayMark - CountDown Days
DayMark - CountDown Days
Widgets, Reminders & Events
Free

This app helps you anticipate and enjoy important upcoming events by providing clear countdowns and gentle reminders. Organize your dates by category and visualize your progress towards each milestone. Unlock advanced features like unlimited tracking and home screen widgets with a Pro subscription.

Countdown to any dateCount up from any dateOrganize events by category
📊 Productivity
(1)
freemium
11
Walgreens
Walgreens
Walgreens
Pharmacy, Photo, Coupon + Shop
Free

Manage prescriptions, access health services, and create custom photo gifts. Shop for essentials with convenient delivery or pickup, and save with digital coupons and rewards.

Prescription refills and trackingBook vaccinations and testsVirtual healthcare visits
🛍️ Shopping
(7.1M)
free with in-app purchases
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
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
14
Marked by King Bs : Season1
Marked by King Bs : Season1
Marked by King Bs : Season1
by Day7
Free

Navigate a chaotic high school romance after getting entangled with delinquents. Experience a story filled with humor, heart-pounding moments, and unexpected love interests.

Interactive story choicesMultiple love interestsSchool romance theme
🎮 Games
(212)
free with in-app purchases
15
APOD Astronomy Pics and Widget
APOD Astronomy Pics and Widget
APOD Astronomy Pics and Widget
Astronomy Picture of the Day
Free

Access NASA's Astronomy Picture of the Day with customizable widgets. View today's, random, or favorite images, and browse past APODs. Share your discoveries with ease.

Today WidgetRandom WidgetFavorites Widget
📷 Photo & Video
(259)
free with in-app purchases
16
Amazon Shopping
Amazon Shopping
Amazon Shopping
More benefits, fewer steps
Free

Shop millions of products with app-exclusive benefits for a faster, easier experience. Track deliveries in real-time, view products in 360°, get sale alerts, and enjoy secure sign-in. Access 24/7 live chat support and find items by scanning them.

Real-time delivery tracking360° product viewView in your room (AR)
🛍️ Shopping
(8.4M)
free with in-app purchases
17
Deseret Singles: LDS Dating
Deseret Singles: LDS Dating
Deseret Singles: LDS Dating
Dating for Latter-day Saints
Free

A modern dating app designed specifically for Latter-day Saints to connect with others who share their faith and values. It offers features like verified profiles, location sharing for safety, and in-app translation to facilitate meaningful connections.

Built for Latter-day SaintsVerified member profilesSafeDate™ location sharing
🌐 Social Networking
(6)
free
18
Temu: Shop Like a Billionaire
Temu: Shop Like a Billionaire
Temu: Shop Like a Billionaire
Shop incredible deals on Temu!
Free

Discover a vast selection of products across fashion, home decor, beauty, and more. Enjoy daily deals, fast and secure checkout, and free shipping and returns. Shop for a wide variety of items at competitive prices.

Wide product selectionDaily dealsFast and secure checkout
🛍️ Shopping
(2.2M)
free with in-app purchases
19
The Examined Day
The Examined Day
The Examined Day
A daily Stoic practice
Free
💪 Health & Fitness
(0)
20
UKG Pro
UKG Pro
UKG Pro
by UKG INC.
Free

This mobile app provides employees with secure access to HR information, time tracking, and goal setting. Managers can manage requests, approve timecards, and gain insights through reports. It aims to enhance productivity and engagement for a better work experience.

View and update HR and pay informationClock in/out and track timeManage time off requests
💼 Business
(298K)
free

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 August 2026, with a 4.5-star average from 312 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 August 2026.
We track 228+ mark days apps & games on the iOS App Store as of August 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.