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Best Y2K38 Doomsday Clock Apps

213+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated July 2026

Y2K38 Doomsday Clock is the household name in y2k38 doomsday clock, but it's far from the only option. We track 213+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Y2K38 Doomsday Clock Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Y2K38 Doomsday ClockY2K38 Doomsday ClockFree—NoYesJun 2026
2DClock - Digital Flip ClockDClock - Digital Flip ClockFree4.6★ (7.9K)YesYesAug 2026
3FliqloFliqlo$0.994.8★ (2.3K)NoYesAug 2026
4Atomic Clock (Gorgy Timing)Atomic Clock (Gorgy Timing)$1.994.8★ (4.9K)NoYesAug 2026
5ClockClockFree2.6★ (16K)NoNoAug 2026
6Flip Clock - digital widgetsFlip Clock - digital widgetsFree4.6★ (69K)YesYesAug 2026
7Countdown Widget & CounterCountdown Widget & CounterFree4.6★ (2.4K)NoYesAug 2026
8Alarm & TimerAlarm & TimerFree4.3★ (2.2K)YesYesAug 2026

Top Picks for Y2K38 Doomsday Clock

DClock - Digital Flip Clock#2

DClock - Digital Flip Clock by Xiamen ShenZhuo Information Technology Co., Ltd.

Time Widgets & Floating Clock
Strong Contender
🔍 Reference
4.6😐(7.9K ratings)
FreeAdsIn-App Purchases
DClock - Digital Flip Clock screenshot 1
DClock - Digital Flip Clock screenshot 2
DClock - Digital Flip Clock screenshot 3
DClock - Digital Flip Clock screenshot 4
DClock - Digital Flip Clock screenshot 5
DClock - Digital Flip Clock screenshot 6

This app provides a visually appealing digital flip clock with a minimalist design and customizable themes. It offers useful widgets for your home screen, a floating clock option, and integrated tools like a Pomodoro timer and white noise generator to aid focus. It can also display health data like step count.

What We Love

  • 🚀 Convenient clock
  • 👍 Customizable clock face
  • 💡 Helpful for kids learning time
  • 🚀 Instant military time display

Room to Improve

  • 🐛 Incorrect time display
  • 🐛 Widgets not updating correctly
  • 🐛 Daylight savings issues
Fliqlo#3

Fliqlo by Yuji Adachi

Flip Clock
Worth Considering
🌟 Lifestyle
4.8😐(2.3K ratings)
$0.99In-App Purchases
#36in Lifestyle
Fliqlo screenshot 1
Fliqlo screenshot 2
Fliqlo screenshot 3
Fliqlo screenshot 4
Fliqlo screenshot 5

This app offers a minimalist digital flip clock experience, replicating the aesthetic of vintage mechanical clocks. Its large, highly visible display and monochrome design blend seamlessly into any environment, serving as both a functional timepiece and a decorative element. Enjoy customizable display options and a focus on unobtrusive utility.

What We Love

  • 💎 Minimal and chic
  • ⏱️ Intentionally simple
  • 🕰️ Great looking clock
  • 🔍 Useful for studying/work

Room to Improve

  • 🐛 Instant crash on iPad M4
  • 🔋 High battery consumption
  • 🔒 Can't use as Lock Screen

More Y2K38 Doomsday Clock apps to explore

4
Atomic Clock (Gorgy Timing)
Atomic Clock (Gorgy Timing)
Atomic Clock (Gorgy Timing)
The classic par excellence
$1.99

This app provides ultra-precise time by syncing with atomic time servers. It features a customizable display mimicking professional studio clocks, with advanced alarm functions and various visual themes. Designed for accuracy and usability, it's ideal for professionals and enthusiasts alike.

Syncs with atomic time serversProfessional studio clock displayCustomizable alarm with snooze
🔧 Utilities
(4.9K)
free with in-app purchases
5
Clock
Clock
Clock
Manage your time with ease
Free

This app helps you manage your time across devices. It offers features like a world clock for global time zones, customizable alarms with music options, a stopwatch for measuring durations, and timers for countdowns.

World Clock for global time zonesCustomizable Alarms with musicStopwatch with lap recording
🔧 Utilities
(16K)
free
6
Flip Clock - digital widgets
Flip Clock - digital widgets
Flip Clock - digital widgets
display standby time & seconds
Free

This app provides a classic digital clock widget for your device's home, lock, and standby screens. It offers features like displaying seconds, a calendar, customizable themes, and various timekeeping tools including alarms, timers, and stopwatches. It can also function as a screensaver when charging.

Display seconds on multiple screensFull screen time and dateSmart alarm clock
🔧 Utilities
(69K)
free with in-app purchases
7
Countdown Widget & Counter
Countdown Widget & Counter
Countdown Widget & Counter
Birthday, Vacation, Retirement
Free

Create customizable widgets to track upcoming events directly on your home screen. Visualize your countdowns with beautiful designs, icons, and color gradients. Receive real-time notifications for important dates.

Live countdown widgetsCustomizable widget templatesEvent editor with live preview
🔧 Utilities
(2.4K)
free with in-app purchases
8
Alarm & Timer
Alarm & Timer
Alarm & Timer
Simple, Easy-to-Use Clock
Free

Manage your time effectively with this versatile clock app. It offers customizable alarms, timers, and a stopwatch, with options for personalized settings and notifications even when the screen is off. Enjoy music playback within the app to aid concentration.

Customizable alarms with unlimited creationMultiple simultaneous timersLap time recording stopwatch
🌟 Lifestyle
(2.2K)
free with in-app purchases
9
Lock + Home Widgets widgetopia
Lock + Home Widgets widgetopia
Lock + Home Widgets widgetopia
Aesthetic Lock + Home Screen
Free

Personalize your home and lock screens with thousands of pre-made widgets or create your own unique designs. Customize with icons, wallpapers, and various data displays like weather, calendar, and health.

Thousands of pre-built widgetsPowerful widget design toolsCustomizable icons and wallpapers
📊 Productivity
(8.5K)
freemium
10
Countdown Star (Ad-Free)
Countdown Star (Ad-Free)
Countdown Star (Ad-Free)
Countdowns for Every Event
$1.99

Track time until or since important events with customizable timers. Set up countdowns for birthdays, holidays, and vacations, or count up from anniversaries and special dates. Share your event timers with friends and family.

Add custom eventsCustomize event visualsApple Watch display
🎬 Entertainment
(3.6K)
paid
11
Countdown Timer - Clock Widget
Countdown Timer - Clock Widget
Countdown Timer - Clock Widget
Counter for Time, Days & Hours
Free

Track upcoming events and past memories with a simple, elegant timer. Count down to special occasions or count up from significant dates. Enjoy a distraction-free interface and seamless syncing across Apple devices.

Countdown to future eventsCount up from past eventsMinimalistic and intuitive interface
🔧 Utilities
(1.4K)
free with in-app purchases
12
Atomic Clock PRO
Atomic Clock PRO
Atomic Clock PRO
Exact Time Digital and Analog
Free

Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.

Exact time from atomic clockAutomatic time zone recognitionCustomizable background images
🔧 Utilities
(10K)
free with in-app purchases
13
Void Widgets - Retro & Minimal
Void Widgets - Retro & Minimal
Void Widgets - Retro & Minimal
Pixel Dot Clock, Year Progress
Free

Enhance your device's home and lock screens with over 30 unique, custom-designed widgets. Explore retro pixel art, Morse code clocks, and detailed weather forecasts to personalize your experience.

Exclusive clock designs (Morse code, dot matrix, word clock)Smart calendar widgets (event preview, month grid)Lock screen widgets (weather, sunset time)
🎨 Graphics & Design
(33)
free with in-app purchases
14
Top Widgets⁺ Icons & Themes
Top Widgets⁺ Icons & Themes
Top Widgets⁺ Icons & Themes
Customize Home & Lock Screen
Free

Enhance your device's home and lock screens with dynamic wallpapers, 3D depth effects, and customizable widgets. Express your style with unique themes and track your health and daily tasks.

Dynamic wallpapers3D depth effectsCustomizable widgets
🔧 Utilities
(9K)
free with in-app purchases
15
Time Zone Clock - GoTime
Time Zone Clock - GoTime
Time Zone Clock - GoTime
World, Military Time Converter
Free

Never miss a call or appointment due to time zone differences. This app helps you manage world clocks and set alarms accurately across different locations. It's designed for travelers, remote teams, and anyone needing to coordinate globally.

Time zone alarmsiOS 26 AlarmKit integrationLock Screen and Home Screen widgets
🔧 Utilities
(243)
free with in-app purchases
16
Floating Clock
Floating Clock
Floating Clock
ms Timer, Net Speed & Alerts
Free

This app provides millisecond-precision timing and real-time device monitoring to help users successfully participate in flash sales and secure limited-edition items. It offers features like scheduled auto-jump to sale pages and cross-screen AI translation.

Millisecond floating clockMulti-platform time syncScheduled auto-jump
📊 Productivity
(1K)
free with in-app purchases
17
Workforce.com - Time Clock
Workforce.com - Time Clock
Workforce.com - Time Clock
Workforce.com - Time Tracker
Free

This app simplifies employee time tracking and workforce management. It allows businesses to easily create schedules, monitor clock-ins, manage time off, and export timesheets directly to payroll systems. Features include PIN security, photo verification, and automated overtime calculations.

Employee clock in/outSchedule creation and distributionTimesheet approval and export
💼 Business
(196)
free
18
Clock Seconds
Clock Seconds
Clock Seconds
Largest Clock with seconds
Free

A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.

Largest digital clock displayAccurate atomic time comparisonCustomizable colors and dimensions
🔧 Utilities
(4)
free with in-app purchases
19
AtomicClock: NTP Time
AtomicClock: NTP Time
AtomicClock: NTP Time
Precision clock reference
Free

This app displays the exact current time synchronized with NTP servers, offering a customizable clock view for precise time checks. It's ideal for setting watches, verifying timestamps, or comparing local and network time.

Precise time from NTP serversCustomizable clock facesSelect or add time servers
🔧 Utilities
(5.5K)
free with in-app purchases
20
World Time Clock Master
World Time Clock Master
World Time Clock Master
Zulu Time Converter & Widget
Free

Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.

Multiple time zone displayInteractive time conversionEvent scheduling
🔧 Utilities
(688)
subscription

FAQ about Y2K38 Doomsday Clock

Are there free y2k38 doomsday clock apps for iPhone?
Yes — 17 of the top y2k38 doomsday clock apps we rank are free to download, including Y2K38 Doomsday Clock and DClock - Digital Flip Clock.
Y2K38 Doomsday Clock has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 213+ y2k38 doomsday clock apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.