Ops Clock vs SFClock
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.
SFClock
This utility app displays a flip clock and calendar. It offers customizable clock settings like 12/24 hour format and seconds display. Users can navigate the calendar and choose from various light and dark color themes.
- Flip clock display
- Calendar view
- 12/24 hour format
- Seconds display toggle
- Calendar month navigation
- Color themes
- Light/dark mode
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SFClock is a simple flip clock and calendar App. Flip clock and calendar are displayed in portrait, and only clock in landscape. You can change 12/24 hours and seconds display of clock. You also can move month in calendar with the arrows, and back to current month by tapping the month title. There are many color themes, and you can choose a light or dark one to use.
Screenshots
Verdict
The clearest difference is review sentiment: Ops Clock at 100% against SFClock's 33%. Ops Clock also leads on rating (4.7 vs 4.5) and iOS requirement (15.0 vs 17.0). On price, ratings volume, update cadence and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ops Clock holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 11 and 4 respectively. Written reviews point the same way: 100% of Ops Clock's written reviews are positive against 33% of SFClock's.
Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.
| Parameter | Ops Clock | SFClock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (11 ratings) — better | 4.5 (4 ratings) |
| Positive reviews | 100.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 11 — better | 4 |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | James Kretchmar | Yafei Dong |
Customer experience
Ops Clock
SFClock
In-app purchases
Ops Clock
No in-app purchases
SFClock
No in-app purchases
Questions
Is Ops Clock free?
Is SFClock free?
Which has better reviews, Ops Clock or SFClock?
Do Ops Clock or SFClock have ads?
Which is updated more often, Ops Clock or SFClock?
Other comparisons
