# EarthTime vs DozClock

The clearest difference is update cadence: DozClock at every 2 weeks against EarthTime's every 23 months. EarthTime's advantage is iOS requirement (11.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EarthTime ships an update every 23 months, DozClock every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | EarthTime | DozClock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 1 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DaliFermat Ltd](https://appshunter.io/developer/1131359876) | [Paul Rapoport](https://appshunter.io/developer/1892500767) |

## What reviewers say

### EarthTime

[App page](https://appshunter.io/ios/app/earthtime/id1131359877)

This app presents a universal time system based on Earth's orbit and rotation, independent of cultural constructs like months or hours. It features a unique clock display, a converter for local time, and a timer, offering a consistent global date-time.

**Highlights:** Universal date-time system, Concentric dial clock display, Local Gregorian date-time option, EarthTime to local time converter, EarthTime timer

**Features:** macOS Compatibility

**In-app purchases:** none


### DozClock

[App page](https://appshunter.io/ios/app/dozclock/id6762022445)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EarthTime free?

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

### Is DozClock free?

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

### Do EarthTime or DozClock have ads?

Neither EarthTime nor DozClock shows ads.

### Which is updated more often, EarthTime or DozClock?

EarthTime ships an update every 23 months, and DozClock every 2 weeks. Most recently, EarthTime was updated on October 3, 2026 and DozClock on October 8, 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.*