# Emerald Chronometer vs LangClock

The clearest difference is monetization model: LangClock at free against Emerald Chronometer's paid. Emerald Chronometer's advantage is update cadence (every 22 months vs every 141 months) and ratings volume (121 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for Emerald Chronometer against 5.0 for LangClock. That said, the two scores are not equally well evidenced: Emerald Chronometer has 121 ratings behind it against 1, so its average is the more settled of the two.

Emerald Chronometer ships an update every 22 months, LangClock every 141 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Emerald Chronometer | LangClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (121 ratings)](https://appshunter.io/ios/app/emerald-chronometer/id284953670/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/langclock/id979100121/reviews)** |
| Number of ratings | **121** | 1 |
| Positive reviews | 96.8% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | **Every 22 months** | Every 141 months |
| Monetization | Paid | **Free** |
| Size | 311 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Scapa Flow, LLC](https://appshunter.io/developer/635350184) | [manish khandekar](https://appshunter.io/developer/673813607) |

## 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


### LangClock

[App page](https://appshunter.io/ios/app/langclock/id979100121)

Learn to tell time with analog and digital clocks displayed in multiple Indian languages. This app is ideal for children learning about time or for anyone needing a multilingual desk clock for study or office use.

**Highlights:** Analog clock display, Digital clock display, Calendar display, Multiple Indian languages, Educational tool for children, Desk clock functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Emerald Chronometer free?

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

### Is LangClock free?

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

### Which has better reviews, Emerald Chronometer or LangClock?

LangClock is rated higher. Emerald Chronometer averages 4.9 out of 5 from 121 ratings, while LangClock averages 5.0 from 1 ratings.

### Which is updated more often, Emerald Chronometer or LangClock?

Emerald Chronometer ships an update every 22 months, and LangClock every 141 months. Most recently, Emerald Chronometer was updated on October 23, 2026 and LangClock on October 24, 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.*