# Round Millisecond Clock vs 장기 수자인&모아

The clearest difference is ads: 장기 수자인&모아 at none against Round Millisecond Clock's shown. Round Millisecond Clock's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, 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.

Round Millisecond Clock ships an update every 4 months, 장기 수자인&모아 every 3 months. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Round Millisecond Clock | 장기 수자인&모아 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/round-millisecond-clock/id6736579896/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 34 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seulki Eom](https://appshunter.io/developer/1718927408) | [Orora Platform Company](https://appshunter.io/developer/1593348188) |

## What reviewers say

### 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


### 장기 수자인&모아

[App page](https://appshunter.io/ios/app/and/id6751164052)

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

**In-app purchases:** none


## Frequently asked questions

### Is Round Millisecond Clock free?

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

### Is 장기 수자인&모아 free?

장기 수자인&모아 is free to download, with no in-app purchases.

### Do Round Millisecond Clock or 장기 수자인&모아 have ads?

Round Millisecond Clock shows ads; 장기 수자인&모아 does not.

### Which is updated more often, Round Millisecond Clock or 장기 수자인&모아?

Round Millisecond Clock ships an update every 4 months, and 장기 수자인&모아 every 3 months. Most recently, Round Millisecond Clock was updated on October 21, 2026 and 장기 수자인&모아 on October 9, 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.*