# Ops Clock vs Clock Seconds

The clearest difference is in-app purchases: Ops Clock at none against Clock Seconds's 2. Clock Seconds's advantage is update cadence (every 4 weeks vs every 5 months) and rating (5.0 vs 4.7). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Clock Seconds sells 2 one-off in-app purchases. Ops Clock asks for nothing beyond the download.

Clock Seconds holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 11 and 4 respectively.

Ops Clock ships an update every 5 months, Clock Seconds every 4 weeks. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Ops Clock | Clock Seconds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (11 ratings)](https://appshunter.io/ios/app/ops-clock/id1352786229/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/clock-seconds/id6446502527/reviews)** |
| Number of ratings | **11** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Kretchmar](https://appshunter.io/developer/1352786228) | [David Engler - Apps](https://appshunter.io/developer/1678138767) |

## 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


### Clock Seconds

[App page](https://appshunter.io/ios/app/clock-seconds/id6446502527)

A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.

**Highlights:** Largest digital clock display, Accurate atomic time comparison, Customizable colors and dimensions, 12/24 hour format options, Minimal battery consumption design, Portrait mode settings access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Ops Clock free?

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

### Is Clock Seconds free?

Clock Seconds is free to download, with in-app purchases available.

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

Clock Seconds is rated higher. Ops Clock averages 4.7 out of 5 from 11 ratings, while Clock Seconds averages 5.0 from 4 ratings.

### Do Ops Clock or Clock Seconds have ads?

Neither Ops Clock nor Clock Seconds shows ads.

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

Ops Clock ships an update every 5 months, and Clock Seconds every 4 weeks. Most recently, Ops Clock was updated on October 13, 2026 and Clock Seconds on October 19, 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.*