Comparison

Atomic Clock App vs World Clock 世界時鐘

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Atomic Clock App

Features
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Atomic Clock App — Precision Timepiece Experience time like never before. Atomic Clock App transforms your device into a refined, luxury-inspired timepiece with multiple stunning clock faces, powerful timers and a world clock — all designed with the elegance of a high-end watchmaker. BEAUTIFUL CLOCK FACES Choose from six meticulously crafted clock face styles: • Analog — A classic watch dial with elegant hands, tick marks and a smooth sweeping second hand • Digital — LED-style display with a soft glow effect for that retro-modern feel • Minimal — Clean typographic time display for a sleek, distraction-free look • Roman — Timeless Roman numeral clock face with refined detailing • Binary — A unique binary-encoded time display for the tech-savvy • Military — Precise 24-hour format inspired by tactical instruments Swipe between faces effortlessly or pick your favorite in settings. WORLD CLOCK Track time across the globe. Add cities from every timezone and see local times at a glance. Tap to switch between 12-hour and 24-hour formats instantly. Easily manage your cities with a simple delete option. STOPWATCH Accurate to the second with start, pause and reset controls. Record laps and scroll through your history — perfect for workouts, cooking or any timing need. COUNTDOWN TIMER Set precise countdowns with an animated circular progress ring. Pick hours, minutes and seconds, then watch the elegant ring animate down to zero. POMODORO TIMER Stay focused and productive with a built-in Pomodoro technique timer. Alternate between work sessions and breaks to maximize concentration and efficiency. ALARMS Create and manage multiple alarms with custom labels and repeat options for specific days of the week. Toggle alarms on and off with a tap. BEDTIME Set your ideal sleep and wake schedule. Track your sleep goals and build healthier routines with the dedicated bedtime feature. LUXURY DESIGN Every detail is crafted with care: • Deep matte black background inspired by luxury watch boxes • Six accent colors — Gold, Rose, Cyan, Emerald, Crimson and Silver — inspired by precious metals and gemstones • Subtle glow effects and smooth animations throughout • Dark card layouts with hairline borders for a refined, tactile feel • Frosted glass tab bar with fine icons CUSTOMIZATION Make it yours. Choose your preferred clock face, select an accent color that tints the entire app and switch between AM/PM and 24-hour formats with a single tap. Atomic Clock App is designed for anyone who appreciates precision, beauty and thoughtful design. Whether on your nightstand, your desk or in your pocket — time has never looked this good. Download Atomic Clock App and elevate every second.

About

World Clock 世界時鐘

Features
Read full description

World Clock makes it effortless to track time across the globe. Whether you travel, work with international teams, or keep in touch with family abroad, you'll always know what time it is anywhere. KEY FEATURES - World Clock — See the current time in multiple cities at a glance - Add Cities — Search and add any city you care about - Meeting Planner — Find the best time to connect across time zones - Time Converter — Instantly convert times between zones - Clean, simple interface — Everything you need, nothing you don't - Remove Ads — Optional in-app purchase for an ad-free experience WHY WORLD CLOCK - Perfect for frequent travelers and business trips - Plan calls and meetings with overseas clients and colleagues - Coordinate with friends and family in different time zones - Avoid confusion over time differences and jet lag World Clock is free to use, supported by ads. You can remove ads anytime via in-app purchase.

Screenshots

Atomic Clock App4 screens
World Clock 世界時鐘4 screens

Verdict

The call

The clearest difference is price: World Clock 世界時鐘 at Free against Atomic Clock App's $2.99. World Clock 世界時鐘 also leads on iOS requirement (13.0 vs 15.1). Atomic Clock App's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

World Clock 世界時鐘 is free to download; Atomic Clock App costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 2 level
Atomic Clock App versus World Clock 世界時鐘: the parameters behind the verdict, then further details
ParameterAtomic Clock AppWorld Clock 世界時鐘
Price$2.99Free — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size31 MB23 MB
Age rating4+4+
DeveloperGianfranco Antenuccifung ka wa

In-app purchases

None

Atomic Clock App

No in-app purchases

None

World Clock 世界時鐘

No in-app purchases

Questions

Is Atomic Clock App free?
Atomic Clock App costs $2.99, with no in-app purchases.
Is World Clock 世界時鐘 free?
World Clock 世界時鐘 is free to download, with no in-app purchases.
Do Atomic Clock App or World Clock 世界時鐘 have ads?
World Clock 世界時鐘 shows ads; Atomic Clock App does not.

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