# Emerald Chronometer vs Geneva Moon

The clearest difference is review sentiment: Emerald Chronometer at 97% against Geneva Moon's 49%. Emerald Chronometer also leads on rating (4.9 vs 3.6). Geneva Moon's advantage is update cadence (every 2 days vs every 22 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

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

Emerald Chronometer holds the better App Store score, 4.9 against 3.6. Both are backed by a comparable volume of ratings — 105 and 93 respectively. Written reviews point the same way: 97% of Emerald Chronometer's written reviews are positive against 49% of Geneva Moon's.

Emerald Chronometer ships an update every 22 months, Geneva Moon every 2 days. The most recent releases landed on September 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Emerald Chronometer | Geneva Moon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (105 ratings)](https://appshunter.io/ios/app/emerald-chronometer/id284953670/reviews)** | [3.6 (93 ratings)](https://appshunter.io/ios/app/geneva-moon/id1480909731/reviews) |
| Number of ratings | **105** | 93 |
| Positive reviews | **96.8% of reviews** | 49.4% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 22 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 311 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Scapa Flow, LLC](https://appshunter.io/developer/635350184) | [Cross Forward Consulting, LLC](https://appshunter.io/developer/295660206) |

## What reviewers say

### Emerald Chronometer

[App page](https://appshunter.io/ios/app/emerald-chronometer/id284953670)

Experience highly detailed mechanical watch faces with advanced astronomical and clock complications. Track celestial events, manage time with precision, and explore historical and future dates with interactive displays. Optimized for iPhone and iPod touch.

**Highlights:** Accurate astronomical data (4000 BCE - 2800 CE), Sun, Moon, and planet rise/set times, Mechanical display of Moon phases, Precise local and UTC time, Chronograph with split timer, World-time and calendar watches, Interactive time-travel simulation

**In-app purchases:** none


### Geneva Moon

[App page](https://appshunter.io/ios/app/geneva-moon/id1480909731)

This app offers an astronomically accurate moon display for your Apple Watch. It provides a visually pleasing indication of the moon's current phase and orientation, matching what you see in the sky. You can also explore future moon phases by rotating the digital crown.

**Highlights:** Astronomically accurate moon display, Visually rich or simplified appearance options, Main display shows azimuth, elevation, phase, and orientation, Time travel through moon phases, Compass integration for moon location (Series 5+), Complications for all watch face types

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Emerald Chronometer free?

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

### Is Geneva Moon free?

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

### Which has better reviews, Emerald Chronometer or Geneva Moon?

Emerald Chronometer is rated higher. Emerald Chronometer averages 4.9 out of 5 from 105 ratings, while Geneva Moon averages 3.6 from 93 ratings.

### Which is updated more often, Emerald Chronometer or Geneva Moon?

Emerald Chronometer ships an update every 22 months, and Geneva Moon every 2 days. Most recently, Emerald Chronometer was updated on September 18, 2026 and Geneva Moon on September 27, 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.*