Comparison

Ops Clock vs YMoWDHMiS

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

YMoWDHMiS

Features
Read full description

YMoWDHMiS is a versatile time calculator app that lets you calculate the difference between two points in time. It displays an aggregate amount of time, as well as the total in each time unit. You can also adjust the time units to see the resulting date and time. The app also stores a history of previously calculated dates, so you can easily reference them later. The app features a sleek neumorphism-inspired UI with five colors to choose from. It is easy to use and navigate, making it the perfect tool for anyone who needs to calculate time differences. Features: • Calculate the difference between two points in time • Display aggregate amount of time, as well as the total in each time unit • Adjust the time units to see the resulting date and time • Store a history of previously calculated dates • Choose a readable date and time format • Sleek neumorphism-inspired UI • Five colors to choose from Download YMoWDHMiS today and start calculating time differences like a pro!

Screenshots

Ops Clock4 screens
YMoWDHMiS4 screens

Verdict

The call

Ops Clock and YMoWDHMiS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, YMoWDHMiS every 4 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

ScorecardNo meaningful differences
Ops Clock versus YMoWDHMiS: the parameters behind the verdict, then further details
ParameterOps ClockYMoWDHMiS
PriceFreeFree
Rating4.7 (11 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings11 — better—
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size2 MB7 MB
Age rating4+4+
DeveloperJames KretchmarMic Johansson

In-app purchases

None

Ops Clock

No in-app purchases

None

YMoWDHMiS

No in-app purchases

Questions

Is Ops Clock free?
Ops Clock is free to download, with no in-app purchases.
Is YMoWDHMiS free?
YMoWDHMiS is free to download, with no in-app purchases.
Do Ops Clock or YMoWDHMiS have ads?
Neither Ops Clock nor YMoWDHMiS shows ads.
Which is updated more often, Ops Clock or YMoWDHMiS?
Ops Clock ships an update every 5 months, and YMoWDHMiS every 4 months. Most recently, Ops Clock was updated on October 13, 2026 and YMoWDHMiS on October 6, 2026.

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