Ops Clock vs YMoWDHMiS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
YMoWDHMiS
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Ops Clock | YMoWDHMiS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (11 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | James Kretchmar | Mic Johansson |
In-app purchases
Ops Clock
No in-app purchases
YMoWDHMiS
No in-app purchases
Questions
Is Ops Clock free?
Is YMoWDHMiS free?
Do Ops Clock or YMoWDHMiS have ads?
Which is updated more often, Ops Clock or YMoWDHMiS?
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