Comparison

World Clock vs One Moment Timer

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

Head to head
About

World Clock

Features
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World Clock - Time Zones — Your all-in-one world clock & time zone converter Instantly check the current time zone anywhere in the world. Whether you're scheduling a meeting across US time zones, planning international travel, or keeping in touch with family overseas, this world clock app gives you accurate, live time zone information at a glance. WORLD CLOCK, MADE SIMPLE See the live time in every US time zone — Pacific, Mountain, Central, and Eastern — plus Alaska, Hawaii, and Atlantic time, all updating in real time. INTERACTIVE TIME ZONE MAP Explore a color-coded, interactive map for USA, North America, South America, Europe, Australia, and Asia. Tap any region to instantly see its current local time. TIME ZONE CONVERTER Compare time zones side-by-side — perfect for scheduling calls with remote teams, coordinating travel plans, or catching a live event happening in another part of the world. COORDINATED UNIVERSAL TIME (UTC) Always know the current UTC time, kept accurate and synced automatically. DEVICE CLOCK & DRIFT CHECK See your device's own local time with a clean analog clock display. 12-HOUR / 24-HOUR TOGGLE Switch instantly between 12-hour and 24-hour time formats to match your preference. KEY FEATURES: - Live world clock with real-time updates - Time zone converter for USA & international zones - Interactive, color-coded time zone map - Covers all major regions: USA, North America, South America, Europe, Australia, Asia - UTC / GMT time always visible - 12-hour and 24-hour display toggle - Clean, modern, easy-to-read design - Works for travel planning, remote work, global meetings & international calls PERFECT FOR: - Remote teams scheduling meetings across time zones - Travelers checking time zones before they land - Families and friends staying connected across countries - Professionals working with international clients - Anyone who needs to know "what time is it in..." — instantly Download World Clock - Time Zones today and never lose track of time again, no matter where in the world you (or your plans) are.

About

One Moment Timer

Features
Read full description

One Moment brings timers, reminders, and interval workouts together in one simple, focused app. Whether you are cooking, studying, working, or exercising, you can start in seconds. SWIPE-TO-START TIMERS • Swipe the ring to set a duration quickly • Add time anytime with convenient shortcut buttons • Create and manage multiple timers at once • Keep remaining time visible in a floating window • Customize names and sounds, with timely alerts when timers end FLEXIBLE, RELIABLE REMINDERS • Schedule daily, workday, weekly, monthly, or interval-based reminders • Choose fixed times, repeated alerts within a time range, and daily goals • Use Strong Reminder so important alerts arrive on time • Track completions, weekly, monthly, and yearly progress, and current streaks INTERVAL WORKOUTS • Build HIIT, Tabata, EMOM, and AMRAP sessions • Start with ready-made workout templates • Customize exercises, work periods, rest periods, and rounds • Follow the current step and overall progress at a glance MORE USEFUL TOOLS • Stopwatch with lap tracking • Custom sounds, vibration, and alert duration • Dark Mode and Chinese/English language support Make every moment count with a timer that stays simple when life gets busy. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://slarkuslr54it2g0.usttp.larksuite.com/docx/DtWSdfh28obqe0xKBlwuh0ZKtHd?from=from_copylink

Screenshots

World Clock4 screens
One Moment Timer4 screens

Verdict

The call

The clearest difference is update cadence: One Moment Timer at every 2 days against World Clock's every 6 weeks. On price, ads, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

World Clock ships an update every 6 weeks, One Moment Timer every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 5 level
World Clock versus One Moment Timer: the parameters behind the verdict, then further details
ParameterWorld ClockOne Moment Timer
PriceFreeFree
Update frequencyEvery 6 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size44 MB40 MB
Age rating4+4+
DeveloperBhavin Harsoda宗辉 王

In-app purchases

None

World Clock

No in-app purchases

None

One Moment Timer

No in-app purchases

Questions

Is World Clock free?
World Clock is free to download, with no in-app purchases.
Is One Moment Timer free?
One Moment Timer is free to download, with no in-app purchases.
Do World Clock or One Moment Timer have ads?
Neither World Clock nor One Moment Timer shows ads.
Which is updated more often, World Clock or One Moment Timer?
World Clock ships an update every 6 weeks, and One Moment Timer every 2 days. Most recently, World Clock was updated on November 5, 2026 and One Moment Timer on October 31, 2026.

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