# Ops Clock vs SFClock

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.

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.

## The numbers

| Metric | Ops Clock | SFClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/ops-clock/id1352786229/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/sfclock/id1627863783/reviews) |
| Number of ratings | **11** | 4 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | Free |
| Size | 2 MB | 0 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [James Kretchmar](https://appshunter.io/developer/1352786228) | [Yafei Dong](https://appshunter.io/developer/1562436731) |

## What reviewers say

### Ops Clock

[App page](https://appshunter.io/ios/app/ops-clock/id1352786229)

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:** Vision Pro support

**In-app purchases:** none


### SFClock

[App page](https://appshunter.io/ios/app/sfclock/id1627863783)

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.

**Highlights:** Flip clock display, Calendar view, 12/24 hour format, Seconds display toggle, Calendar month navigation, Color themes, Light/dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ops Clock free?

Ops Clock is free to download, with no in-app purchases.

### Is SFClock free?

SFClock is free to download, with no in-app purchases.

### Which has better reviews, Ops Clock or SFClock?

Ops Clock is rated higher. Ops Clock averages 4.7 out of 5 from 11 ratings, while SFClock averages 4.5 from 4 ratings.

### Do Ops Clock or SFClock have ads?

Neither Ops Clock nor SFClock shows ads.

### Which is updated more often, Ops Clock or SFClock?

Ops Clock ships an update every 5 months, and SFClock every 5 months. Most recently, Ops Clock was updated on September 28, 2026 and SFClock on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*