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Best Iintelligencetester4 Apps & Games

181+ iOS apps & games curated and reviewed

4.6 avg rating
18 free apps & games
Updated June 2026

Finding the right iintelligencetester4 app can be overwhelming with so many options. We've analyzed 181+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Iintelligencetester4

DayCount#2

DayCount by Zaminiti Pty Ltd

Countdown Days Until Or Since
Strong Contender
📊 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
Calendarium - About this Day#3

Calendarium - About this Day by Piotr Knapczyk

This day Now and in History
Worth Considering
🔍 Reference
4.7😊(2.2K ratings)
Free
Calendarium - About this Day screenshot 1
Calendarium - About this Day screenshot 2
Calendarium - About this Day screenshot 3
Calendarium - About this Day screenshot 4
Calendarium - About this Day screenshot 5

Discover historical events, holidays, and astronomical data for any given day. This app provides daily insights into history, sunrise/sunset times, moon phases, and planetary alignments without requiring an internet connection.

What We Love

  • 👍 Interesting historical information
  • 🔍 Links to Wikipedia for more details
  • 🗓️ Displays sunrise/sunset times and day/week numbers
  • 🗓️ Covers events from ancient times to present day

Room to Improve

  • 🕰️ Events only go up to 2015, app may no longer be supported
  • 📅 Can only view current day, no ability to browse past/future dates
  • 🌍 Focuses heavily on negative/tragic events, could use more positive content

More Iintelligencetester4 apps to explore

4
Today In History Lite Edition
Today In History Lite Edition
Today In History Lite Edition
Top historical events, daily.
Free

Discover significant global events, births, deaths, and holidays from history daily. Explore iconic moments through images, headlines, and quotes from historical figures. Share facts and trivia with friends and family.

Daily historical eventsQuotes from historical figuresImages of historical events
📚 Education
(845)
free with in-app purchases
5
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
6
Date and Time Calculator
Date and Time Calculator
Date and Time Calculator
by 山 钟
Free

Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.

Calculate time between any two datesSecond-level precisionCalculate future dates
🔧 Utilities
(9.1K)
ad-supported
7
Timehop - Memories Then & Now
Timehop - Memories Then & Now
Timehop - Memories Then & Now
Relive your memories every day
Free

Relive your past photos, videos, and social media posts every day. Connect various accounts to see your entire history, compare then and now, and share memories with friends. You can also hide unpleasant memories and discover historical facts.

Daily memory flashbacksConnects social media and cloud storageHide unwanted memories
🌐 Social Networking
(182K)
freemium
8
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
9
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Planner Organizer & Agenda
Free

This app offers a streamlined calendar experience with beautiful, intuitive views of your schedule. It unifies events and reminders, allows for quick natural language event entry, and provides contact history. It supports major calendar services and offers premium features through subscription.

Intuitive day and month viewsUnified events and remindersNatural language event entry
📊 Productivity
(59K)
free with in-app purchases
10
Timepage: Calendar Planner
Timepage: Calendar Planner
Timepage: Calendar Planner
Weather & Family Appointments
Free

This app offers a visually appealing and intuitive way to manage your schedule. It integrates events, maps, contacts, and weather to help you plan your day efficiently. Features include timeline views, weather forecasts, travel time estimates, and customizable themes.

Intuitive timeline viewMonth heatmap for busy/free timesAnimated weather forecasts
📊 Productivity
(15K)
subscription
11
Ever After - Wedding Countdown
Ever After - Wedding Countdown
Ever After - Wedding Countdown
Wedding + Anniversary tracker
Free

Track the exact time remaining until your wedding day, down to the second. After the ceremony, it seamlessly switches to counting up the duration of your marriage. You can also monitor anniversaries for other couples and receive reminders.

Countdown to wedding day (days, hours, minutes, seconds)Count up marriage durationAdd bride and groom names
🌟 Lifestyle
(3.1K)
free with in-app purchases
12
Fantastical Calendar
Fantastical Calendar
Fantastical Calendar
Reminders & Todo List
Free

This powerful calendar and task management app offers intuitive natural language input for event creation, multiple calendar views, and robust task integration. It provides weather forecasts and advanced features like meeting polls and video conferencing integration for premium users.

Natural language event and task creationMultiple calendar views (day, week, month, year)Integrated task management (Todoist, Google Tasks)
📊 Productivity
(23K)
freemium
13
Tiny Calendar Pro
Tiny Calendar Pro
Tiny Calendar Pro
Calendar App: Planner & Tasks
$19.99

This intuitive calendar app integrates with all your existing calendars, offering powerful tools for event creation and management. It provides multiple viewing options and offline capabilities, ensuring you never miss an appointment.

Natural language event creationDrag and drop event editingSyncs with Google Calendar and iOS local calendars
📊 Productivity
(2.3K)
paid
14
Countdown App Free (Big Day Event Timer Reminder)
Countdown App Free (Big Day Event Timer Reminder)
Countdown App Free (Big Day Event Timer Reminder)
by JINMIN ZHOU
Free

Track upcoming and past events with a smart reminder app. Count down to special occasions like birthdays and holidays, or reflect on past milestones. Receive timely notifications and customize your experience with various wallpapers and backgrounds.

Count future and past datesDisplay on Notification WidgetSmart reminders
🔧 Utilities
(1.4K)
free with in-app purchases
15
Countdown
Countdown
Countdown
Day Counter: Timer & Widget
Free

Easily track important dates and events with a customizable countdown timer. Set reminders, organize events with tags, and view upcoming dates on your home screen or Apple Watch. Syncs across devices and offers various counting options.

Customizable countdown timerEvent remindersHome screen widgets
🔧 Utilities
(176K)
free with in-app purchases
16
Countdown: Event Countdown
Countdown: Event Countdown
Countdown: Event Countdown
Countdown Calendar AI & Widget
Free

Easily track important dates and events with a beautifully designed countdown timer and calendar. Set unlimited countdowns, customize with icons and colors, and receive basic reminders. Share your upcoming events with friends and family.

Unlimited event countdownsCount up or down to eventsCustomizable icons and colors
📊 Productivity
(24K)
free with in-app purchases
17
Hilal Calendar تقويم هلال
Hilal Calendar تقويم هلال
Hilal Calendar تقويم هلال
التقويم الأفضل لإدارة مواعيدك
Free

The application is a comprehensive calendar app that helps users manage their schedules, track prayers, and stay organized. With its user-friendly interface, automatic reminders, and integration with the native calendar, the app offers a seamless experience for managing daily life. Sign up now and enjoy the app's wide range of features.

📊 Productivity
(3.7K)
18
Countdown°
Countdown°
Countdown°
Remember your important days!
Free

Easily track important dates and events with customizable reminders and notifications. Organize your schedules, share them with others, and utilize widgets for quick access. Offers advanced features like iCloud backup and a date calculator.

Sort eventsShare eventsCustom categories
🔧 Utilities
(48K)
free with in-app purchases
19
Simple Calendar - SimpleCal
Simple Calendar - SimpleCal
Simple Calendar - SimpleCal
Tasks & ToDo for your schedule
Free

This app offers a straightforward way to manage your schedule, sync events across devices using iCloud or Google Calendar, and stay organized with reminders and weather forecasts. Its customizable interface and simple design make adding and editing events quick and intuitive.

Cross-platform sync (iCloud/Google)Event reminders (daily, weekly, monthly, yearly)Weather forecast integration
📊 Productivity
(16K)
free with in-app purchases
20
Countdown – Count Down To Date
Countdown – Count Down To Date
Countdown – Count Down To Date
Days until & since event timer
Free

Easily track important dates with customizable countdowns and count-ups. Set reminders, personalize themes and backgrounds, and share your progress with friends. Never miss a special occasion again.

Unlimited countdowns and count-upsCustomizable themes and backgroundsEvent reminders and notifications
🌟 Lifestyle
(3.8K)
free