Comparison

Ops Clock vs World Clock with Aurora

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

Head to head
About

Ops Clock

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.

Highlights
  • World clock with 400+ cities
  • Unlimited count-up and countdown timers
  • Time zone, time, and date calculators
  • Event log with elapsed time tracking
  • Customizable labels and notifications
Features
Read full description

Professional grade clock and timer tool with four functions in one app: • World clock • Digital seconds display • Compact format • Over 400 cities • Set custom labels • Clocks sorted automatically • Unlimited number of timers • Count-up timers • Countdown timers • Wall clock timers • End-time notifications • Pre-notifications • Elapsed time and ETA in any zone • Three calculators • Time zone calculator helps plan multi-city conf calls • Time calculator for time arithmetic, including across different time zones • Date calculator for date arithmetic • Event Log • Stores a record of real-time events • Shows elapsed time between events This app is free, shows no advertisements, makes no use of the network and collects no personal information. Available in English, Spanish, French, Italian and Portuguese.

About

World Clock with Aurora

Features
Read full description

World Clock Aurora is a beautifully designed world clock that helps you feel the time of each city, not just read it. Each city card reflects the city's current sky, from sunrise and daytime to sunset, twilight, night, clouds, rain, and aurora activity. Compare time zones visually, check local weather, and see sunrise, sunset, moonrise, and moonset details in one place. Features: • World clock with immersive live sky cards • Current local time for your favorite cities • Weather, temperature, and sky conditions • Sunrise, sunset, moonrise, and moonset times • Aurora forecast with KP index and visibility by latitude • City search with continent filters • Time difference comparison between cities • Custom home city, language, time format, and temperature unit settings • iOS home screen widget support • Tap any city to open a detail sheet with a big clock, weather, sunrise/sunset, moonrise/moonset, and aurora forecast • Check the 7-day weather forecast Whether you are planning meetings, tracking family abroad, following travel destinations, or watching aurora conditions around the world, World Clock Aurora makes global time feel intuitive and alive.

Screenshots

Ops Clock4 screens
World Clock with Aurora4 screens

Verdict

The call

The clearest difference is update cadence: World Clock with Aurora at fortnightly against Ops Clock's every 5 months. World Clock with Aurora also leads on iOS requirement (13.0 vs 15.0). 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

Ops Clock ships an update every 5 months, World Clock with Aurora fortnightly. The most recent releases landed on August 25, 2026 and August 19, 2026 respectively.

Scorecard2 real differences · 8 level
Ops Clock versus World Clock with Aurora: the parameters behind the verdict, then further details
ParameterOps ClockWorld Clock with Aurora
PriceFreeFree
Rating4.7 (11 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings11 — better—
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size2 MB26 MB
Age rating4+4+
DeveloperJames KretchmarHangik Lee

In-app purchases

None

Ops Clock

No in-app purchases

None

World Clock with Aurora

No in-app purchases

Questions

Is Ops Clock free?
Ops Clock is free to download, with no in-app purchases.
Is World Clock with Aurora free?
World Clock with Aurora is free to download, with no in-app purchases.
Do Ops Clock or World Clock with Aurora have ads?
Neither Ops Clock nor World Clock with Aurora shows ads.
Which is updated more often, Ops Clock or World Clock with Aurora?
Ops Clock ships an update every 5 months, and World Clock with Aurora fortnightly. Most recently, Ops Clock was updated on August 25, 2026 and World Clock with Aurora on August 19, 2026.

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