# Ops Clock vs Unit Converter App

The clearest difference is rating: Unit Converter App at 5.0 against Ops Clock's 4.7. Unit Converter App also leads on iOS requirement (9.0 vs 15.0). Ops Clock's advantage is ratings volume (11 vs 1). On price, review sentiment, 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.

Unit Converter App holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ops Clock has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Ops Clock ships an update every 5 months, Unit Converter App every 3 months. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Ops Clock | Unit Converter App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (11 ratings)](https://appshunter.io/ios/app/ops-clock/id1352786229/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-app/id1640879755/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 2 MB | 34 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Kretchmar](https://appshunter.io/developer/1352786228) | [Syed Shayan Jamal](https://appshunter.io/developer/1533957594) |

## 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


### Unit Converter App

[App page](https://appshunter.io/ios/app/unit-converter-app/id1640879755)

Easily convert measurements across various categories like temperature, length, and volume. This app offers accurate results with a user-friendly interface, supporting both metric and imperial units.

**Highlights:** Wide range of conversion categories, Intuitive and user-friendly interface, Accurate and reliable results, Supports metric and imperial units, No in-app purchases or hidden fees

**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 Unit Converter App free?

Unit Converter App is free to download, with no in-app purchases.

### Which has better reviews, Ops Clock or Unit Converter App?

Unit Converter App is rated higher. Ops Clock averages 4.7 out of 5 from 11 ratings, while Unit Converter App averages 5.0 from 1 ratings.

### Do Ops Clock or Unit Converter App have ads?

Neither Ops Clock nor Unit Converter App shows ads.

### Which is updated more often, Ops Clock or Unit Converter App?

Ops Clock ships an update every 5 months, and Unit Converter App every 3 months. Most recently, Ops Clock was updated on September 28, 2026 and Unit Converter App on October 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.*