# Ops Clock vs Chrono

The clearest difference is review sentiment: Ops Clock at 100% against Chrono's 45%. Ops Clock also leads on rating (4.7 vs 4.0). Chrono's advantage is iOS requirement (12.1 vs 15.0). 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 4.0. Both are backed by a comparable volume of ratings — 11 and 8 respectively. Written reviews point the same way: 100% of Ops Clock's written reviews are positive against 45% of Chrono's.

Ops Clock ships an update every 5 months, Chrono every 8 months. The most recent releases landed on August 25, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Ops Clock | Chrono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/ops-clock/id1352786229/reviews)** | [4.0 (8 ratings)](https://appshunter.io/ios/app/chrono-world-clock/id1471913817/reviews) |
| Number of ratings | **11** | 8 |
| Positive reviews | **100.0% of reviews** | 45.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 2 MB | 10 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Kretchmar](https://appshunter.io/developer/1352786228) | [Sebastian Connan](https://appshunter.io/developer/1140112501) |

## 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


### Chrono

[App page](https://appshunter.io/ios/app/chrono-world-clock/id1471913817)

Easily track time across multiple global locations with this intuitive application. Manage a custom list of world clocks, add numerous locations, and even rename them for clarity. A convenient widget provides quick access to time information, helping you stay connected across different time zones.

**Highlights:** Manage a list of world clocks, Extensive location selection, Customizable clock names, Convenient widget, Timezone comparison, 24/12 hour format option

**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 Chrono free?

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

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

Ops Clock is rated higher. Ops Clock averages 4.7 out of 5 from 11 ratings, while Chrono averages 4.0 from 8 ratings.

### Do Ops Clock or Chrono have ads?

Neither Ops Clock nor Chrono shows ads.

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

Ops Clock ships an update every 5 months, and Chrono every 8 months. Most recently, Ops Clock was updated on August 25, 2026 and Chrono on June 4, 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.*