Comparison

Ops Clock vs Clock Seconds

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

Clock Seconds

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.

Highlights
  • Largest digital clock display
  • Accurate atomic time comparison
  • Customizable colors and dimensions
  • 12/24 hour format options
  • Minimal battery consumption design
  • Portrait mode settings access
Features
Read full description

Largest and most accurate digital clock to fit your screen, with customizable colors, dimensions, 12/24 hour modes, atomic (compare to https://time.gov) , and more. To customize the clock use Portrait, tap the clock to show / hide settings. The app was designed to minimize battery consumption on your device. Compare accuracy to https://time.gov

Screenshots

Ops Clock4 screens
Clock Seconds4 screens

Verdict

The call

The clearest difference is in-app purchases: Ops Clock at none against Clock Seconds's 2. Clock Seconds's advantage is update cadence (every 4 weeks vs every 5 months) and rating (5.0 vs 4.7). On price, ratings volume, ads 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. Clock Seconds sells 2 one-off in-app purchases. Ops Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Clock Seconds holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 11 and 4 respectively.

UpkeepUpdate frequency

Ops Clock ships an update every 5 months, Clock Seconds every 4 weeks. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

Scorecard5 real differences · 5 level
Ops Clock versus Clock Seconds: the parameters behind the verdict, then further details
ParameterOps ClockClock Seconds
PriceFreeFree
Rating4.7 (11 ratings)5.0 (4 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings11 — better4
Update frequencyEvery 5 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size2 MB22 MB
Age rating4+4+
DeveloperJames KretchmarDavid Engler - Apps

Customer experience

Ops Clock

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Clock Seconds

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Ops Clock

No in-app purchases

2 purchases

Clock Seconds

One-time2
  • Remove Ads$2.99
  • Unlock$9.99

Questions

Is Ops Clock free?
Ops Clock is free to download, with no in-app purchases.
Is Clock Seconds free?
Clock Seconds is free to download, with in-app purchases available.
Which has better reviews, Ops Clock or Clock Seconds?
Clock Seconds is rated higher. Ops Clock averages 4.7 out of 5 from 11 ratings, while Clock Seconds averages 5.0 from 4 ratings.
Do Ops Clock or Clock Seconds have ads?
Neither Ops Clock nor Clock Seconds shows ads.
Which is updated more often, Ops Clock or Clock Seconds?
Ops Clock ships an update every 5 months, and Clock Seconds every 4 weeks. Most recently, Ops Clock was updated on October 13, 2026 and Clock Seconds on October 19, 2026.

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