# World Alarms vs Ops Clock

The clearest difference is rating: Ops Clock at 4.7 against World Alarms's 4.2. World Alarms's advantage is update cadence (monthly vs every 5 months) and iOS requirement (13.4 vs 15.0). On price, review sentiment, ratings volume 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 4.2. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

World Alarms ships an update monthly, Ops Clock every 5 months. The most recent releases landed on September 14, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | World Alarms | Ops Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/world-alarms/id991590327/reviews) | **[4.7 (11 ratings)](https://appshunter.io/ios/app/ops-clock/id1352786229/reviews)** |
| Number of ratings | 5 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | Free |
| Size | 13 MB | 2 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Swati Patel](https://appshunter.io/developer/991590326) | [James Kretchmar](https://appshunter.io/developer/1352786228) |

## What reviewers say

### World Alarms

[App page](https://appshunter.io/ios/app/world-alarms/id991590327)

Set precise alarms for any timezone with this intuitive clock app, offering thousands of global locations. Convert times instantly, set alarms for specific local times worldwide, and track countdowns. It works offline and automatically handles daylight saving time.

**Highlights:** Precise timezone alarms, Global location support, Instant time conversion, Offline functionality, Daylight saving time handling, UTC time support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is World Alarms free?

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

### Is Ops Clock free?

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

### Which has better reviews, World Alarms or Ops Clock?

Ops Clock is rated higher. World Alarms averages 4.2 out of 5 from 5 ratings, while Ops Clock averages 4.7 from 11 ratings.

### Do World Alarms or Ops Clock have ads?

Neither World Alarms nor Ops Clock shows ads.

### Which is updated more often, World Alarms or Ops Clock?

World Alarms ships an update monthly, and Ops Clock every 5 months. Most recently, World Alarms was updated on September 14, 2026 and Ops Clock on August 25, 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.*