Best Y2K38 Doomsday Clock Apps

249+ iOS apps curated and reviewed

4.3 avg rating

20 free apps

Updated September 2026

Y2K38 Doomsday Clock is the household name in y2k38 doomsday clock, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Y2K38 Doomsday Clock Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Y2K38 Doomsday Clock	Free	—	No	Yes	Aug 2026
2	Clock	Free	2.5★ (20K)	No	No	Sep 2026
3	Countdown Timer - Clock Widget	Free	4.5★ (1.4K)	Yes	Yes	Sep 2026
4	Nudgy - Reminders Until Done	Free	5.0★ (2)	No	Yes	Sep 2026
5	Alarm & Timer	Free	4.3★ (2.2K)	Yes	Yes	Sep 2026
6	Ops Clock	Free	4.7★ (11)	No	No	Aug 2026
7	Cool Forecast Clock-Desk	Free	—	No	No	Aug 2026
8	Local Forecast Clock-Portable	Free	—	Yes	No	Aug 2026

Top Picks for Y2K38 Doomsday Clock

#1

Y2K38 Doomsday Clock by Parra LLC

Countdown to the epochalypse

Editor's Choice

🎬 Entertainment

0.0(0 ratings)

FreeIn-App Purchases

Y2K38 Doomsday Clock screenshot 1

Y2K38 Doomsday Clock screenshot 2

Y2K38 Doomsday Clock screenshot 3

Y2K38 Doomsday Clock screenshot 4

Y2K38 Doomsday Clock screenshot 5

Y2K38 Doomsday Clock screenshot 6

#2

Clock by Apple

Manage your time with ease

Strong Contender

2.5😞(20K ratings)

Free

Clock screenshot 1

Clock screenshot 2

Clock screenshot 3

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.

What We Love

🚀 Useful app
👍 Good alarm clock
✨ Interesting experience
🕰️ Helpful for timekeeping

Room to Improve

🐛 Alarm issues
🔇 Quiet/silent alarms
🕰️ Lack of customization
🤯 Frustrating bugs
🕰️ Unreliable timer
🕰️ Confusing timer changes

#3

Countdown Timer - Clock Widget by ZipoApps

Counter for Time, Days & Hours

Worth Considering

4.5(1.4K ratings)

FreeAdsIn-App Purchases

Countdown Timer - Clock Widget screenshot 1

Countdown Timer - Clock Widget screenshot 2

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.

More Y2K38 Doomsday Clock apps to explore

Nudgy - Reminders Until Done

Nudgy - Reminders Until Done

Nudgy - Reminders Until Done

Alarm & to do list that nags

This app helps you complete important tasks by providing escalating reminder levels, from simple notifications to system alarms that require task completion. It features a unique 'Deep' mode for critical items and tracks your progress by growing a virtual planet.

Tiered reminder levels (Light, Steady, Deep)Deep mode with system alarmCompletion confirmation challenge

📊 Productivity

Simple, Easy-to-Use Clock

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

free with in-app purchases

Professional grade time tool

A versatile utility app offering a world clock with over 400 cities, unlimited timers, and three powerful calculators for time zone, time, and date arithmetic. It also features an event log to track real-time occurrences and elapsed times.

World clock with 400+ citiesUnlimited count-up and countdown timersTime zone, time, and date calculators

Cool Forecast Clock-Desk

Cool Forecast Clock-Desk

Cool Forecast Clock-Desk

by Ramalingam Sivaramakrishnan

Local Forecast Clock-Portable

Local Forecast Clock-Portable

Local Forecast Clock-Portable

Digital Clock Local Weather

Time Made for Humans

This app provides a large, easily readable digital clock with both 12-hour and 24-hour formats. It also includes a countdown timer and a stopwatch function for various timekeeping needs.

Large digital clock display12-hour and 24-hour formatsCountdown timer

True Binary Clock Free

True Binary Clock Free

True Binary Clock Free

This app displays time using binary code, offering both true binary and BCD modes. It includes an optional digital clock display and supports 12 or 24-hour formats with customizable colors. It's designed to be educational and visually appealing.

True binary clock modeBCD binary clock modeOptional digital clock

🎬 Entertainment

Dock: StandBy Clock & Planets

Dock: StandBy Clock & Planets

Dock: StandBy Clock & Planets

Nightstand & charging screen

BTTF DeLorean Dashboard

Experience the magic of time travel with a digital recreation of the iconic DeLorean dashboard. This app features customizable date panels, real-time clock updates, and authentic sound effects from the "Back to the Future" trilogy. It's designed to run smoothly on older devices, bringing cinematic nostalgia to your phone or tablet.

Iconic time display panelsCustomizable destination, present, and last departed timesReal-time accurate clock

🎬 Entertainment

Pixel Clock - Grid

Pixel Clock - Grid

Pixel Clock - Grid

Cyber Flip Clock - Neon Timer

Cyber Flip Clock - Neon Timer

Cyber Flip Clock - Neon Timer

Transform your device into a cyberpunk time portal with a retro flip clock aesthetic. Features include live weather, daily quotes, historical facts, a Pomodoro timer, countdowns, and ambient sounds. Offers home screen widgets and OLED burn-in protection.

Cyberpunk neon flip clock animationLive weather with animated conditionsDaily inspirational and geeky quotes

Christmas Countdown Live 2026

Christmas Countdown Live 2026

Christmas Countdown Live 2026

How many days until xmas?

Track the exact days, hours, and sleeps until Christmas Eve with a live home screen widget. Customize with festive themes and enjoy snowfall animations to bring the holiday spirit to life.

Live home screen widgetReal-time countdown (days, hours, sleeps)Customizable themes (red, green, blue)

🎬 Entertainment

free with in-app purchases

iFloating Clock - Realtime

iFloating Clock - Realtime

iFloating Clock - Realtime

Clock, Timer and Countdown

This app provides a customizable floating clock, timer, and countdown that can be displayed over other applications or your desktop. Tailor its appearance with various font, color, and display options for precise timekeeping.

Real-time clock, timer, and countdownSeconds and milliseconds display12-hour and 24-hour time formats

World Clock - Wake Up Alarm

World Clock - Wake Up Alarm

World Clock - Wake Up Alarm

Calm Sounds & Music

This app helps you manage your time effectively with smart alarms, event countdowns, and multiple timers. Track global time zones, use a precision stopwatch, and customize your experience with premium themes. Perfect for improving morning routines and staying organized.

Smart AlarmsEvent CountdownPrecision Stopwatch

free with in-app purchases

Countdown Widgets

Create unlimited countdowns and widgets for your lock and home screens. Customize colors, fonts, icons, and backgrounds for any event. Schedule recurring events and sync across timezones.

Unlimited countdown widgetsLock screen and home screen widgetsCustomizable colors, fonts, and icons

Longitude - World Clock

Longitude - World Clock

Longitude - World Clock

Clock Walls, Widgets & Overlap

Clocks the world clock with time zones converter, widgets & local alarms

Clocks the world clock with time zones converter, widgets & local alarms

Clocks the world clock with time zones converter, widgets & local alarms

by Danut Florian

This app helps you track time across different locations with time zone conversions, alarms, and customizable widgets. It displays accurate local times, accounting for daylight saving, and offers both analog and digital clock views. Perfect for travelers or those staying connected with people in other countries.

World time zonesTime zone converter with DSTLocal alarms for cities

📊 Productivity

FAQ about Y2K38 Doomsday Clock

Are there free y2k38 doomsday clock apps for iPhone?

Yes — 20 of the top y2k38 doomsday clock apps we rank are free to download, including Y2K38 Doomsday Clock and Clock.

Does Y2K38 Doomsday Clock have ads or in-app purchases?

Y2K38 Doomsday Clock has no ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many y2k38 doomsday clock apps are on the App Store?

We track 249+ y2k38 doomsday clock apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.