# 내맘시계 vs Round Millisecond Clock

The clearest difference is rating: 내맘시계 at 4.0 against Round Millisecond Clock's 1.0. 내맘시계 also leads on update cadence (fortnightly vs every 4 months). On price, ratings volume, 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.

내맘시계 holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

내맘시계 ships an update fortnightly, Round Millisecond Clock every 4 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 내맘시계 | Round Millisecond Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id1602482966/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/round-millisecond-clock/id6736579896/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 11 MB | 34 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SuWon Choi](https://appshunter.io/developer/1452191072) | [Seulki Eom](https://appshunter.io/developer/1718927408) |

## What reviewers say

### 내맘시계

[App page](https://appshunter.io/ios/app/id1602482966)

Create and customize your own desktop clock to brighten your workspace. Change colors, backgrounds, and time formats to match your style. This lightweight app offers a free way to personalize your desk.

**Highlights:** Customizable clock faces, Adjustable time formats (12/24 hour), Color customization for clock and background, Set custom background images, Free to use

**Features:** Vision Pro support

**In-app purchases:** none


### Round Millisecond Clock

[App page](https://appshunter.io/ios/app/round-millisecond-clock/id6736579896)

This app offers a precise real-time digital clock with a unique circular interface, displaying both seconds and milliseconds. Customize your view with options for date, day of the week, and 12/24-hour format.

**Highlights:** Millisecond precision display, Dual circle interface for seconds and milliseconds, Customizable display (milliseconds, seconds, date, day), Multiple date formats, 12/24 hour support, Screen always on

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

**In-app purchases:** none


## Frequently asked questions

### Is 내맘시계 free?

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

### Is Round Millisecond Clock free?

Round Millisecond Clock is free to download, with no in-app purchases.

### Which has better reviews, 내맘시계 or Round Millisecond Clock?

내맘시계 is rated higher. 내맘시계 averages 4.0 out of 5 from 1 ratings, while Round Millisecond Clock averages 1.0 from 1 ratings.

### Do 내맘시계 or Round Millisecond Clock have ads?

Both 내맘시계 and Round Millisecond Clock show ads.

### Which is updated more often, 내맘시계 or Round Millisecond Clock?

내맘시계 ships an update fortnightly, and Round Millisecond Clock every 4 months. Most recently, 내맘시계 was updated on October 24, 2026 and Round Millisecond Clock on October 21, 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.*