Ops Clock vs Chrono
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.
Chrono
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.
- Manage a list of world clocks
- Extensive location selection
- Customizable clock names
- Convenient widget
- Timezone comparison
- 24/12 hour format option
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Travel a lot? Have friends or family in another timezone? Want to know what time it is somewhere else on the planet? Features: * Manage a list of world clocks * Lots of locations to choose from * Rename your clocks to something meaningful * A handy widget to save you time * Simple, easy to use interface * Additional timezone information for certain locations * See if a timezone is yesterday, today or tomorrow from where you are * Change time from 24 hour to 12 hour time * Compare time in other time zones and your own by scrolling into the future or back into the past
Screenshots
Verdict
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.
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 4.0. 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.
| Parameter | Ops Clock | Chrono |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (11 ratings) — better | 4.0 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 45.5% of reviews |
| Number of ratings | 11 — better | 8 |
| Update frequency | Every 5 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | James Kretchmar | Sebastian Connan |
Customer experience
Ops Clock
Chrono
In-app purchases
Ops Clock
No in-app purchases
Chrono
No in-app purchases
