# Ops Clock vs Geometric Mean

The clearest difference is iOS requirement: Geometric Mean at 13.0 against Ops Clock's 15.0. On price, update cadence, ads and in-app purchases 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 ships an update every 5 months, Geometric Mean every 6 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Ops Clock | Geometric Mean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/ops-clock/id1352786229/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | — |
| Size | 2 MB | 43 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) | [Stage Coding](https://appshunter.io/developer/1637068135) |

## 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


### Geometric Mean

[App page](https://appshunter.io/ios/app/geometric-mean-calcon/id1618799717)

**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 Geometric Mean free?

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

### Do Ops Clock or Geometric Mean have ads?

Neither Ops Clock nor Geometric Mean shows ads.

### Which is updated more often, Ops Clock or Geometric Mean?

Ops Clock ships an update every 5 months, and Geometric Mean every 6 months. Most recently, Ops Clock was updated on October 24, 2026 and Geometric Mean on October 15, 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.*