# EarthTime vs Mini Chroma Clock

The clearest difference is update cadence: EarthTime at every 23 months against Mini Chroma Clock's every 54 months. EarthTime also leads on iOS requirement (11.0 vs 26.0). 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, Mini Chroma Clock every 54 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | EarthTime | Mini Chroma Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 54 months |
| Monetization | Free | — |
| Size | 15 MB | 1 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [DaliFermat Ltd](https://appshunter.io/developer/1131359876) | [David Mickey](https://appshunter.io/developer/1506246434) |

## 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


### Mini Chroma Clock

[App page](https://appshunter.io/ios/app/mini-chroma-clock/id1598054708)

**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 Mini Chroma Clock free?

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

### Do EarthTime or Mini Chroma Clock have ads?

Neither EarthTime nor Mini Chroma Clock shows ads.

### Which is updated more often, EarthTime or Mini Chroma Clock?

EarthTime ships an update every 23 months, and Mini Chroma Clock every 54 months. Most recently, EarthTime was updated on October 3, 2026 and Mini Chroma Clock 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.*