Round Millisecond Clock vs 24Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Round Millisecond Clock
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.
- 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
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A real-time digital clock app that displays both seconds and milliseconds with precision using a clean, circular dual-ring interface. [Key Features] - Millisecond Clock: Displays the current time with precision by supporting milliseconds. - Dual Circle Design: Display the flow of seconds and milliseconds simultaneously. - Full Customization: Toggle milliseconds, seconds, date, day of week - Multiple Date Formats: US, EU, ISO, and short formats - 12/24H Support: Includes AM/PM indicator [Additional Features] - Landscape & Portrait support - Screen always on - No permissions required
24Clock
Experience time in its purest form with a stylish clock featuring ticking sounds and customizable ambient soundscapes. This app encourages mindfulness and finding calm in the present moment, offering a unique perspective on the passage of time.
- Stylish clock faces
- Ticking sound effects
- Ambient sound creation
- Mindfulness focus
- Time discovery
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Beautiful clock App： - Return to the essence of time, Feel every passing moment, Pause, and just be. Time in moment. - Stylish clock faces with ticking sounds, Listen to the rhythm of time. - Turn on ambient sounds, create your own vibe. Let time become your moment of calm. - Discover more about time... and embrace the surprises it brings. Terms of Service : https://atombox.xyz/protocal/clock24/Service_sc.html Privacy policy : https://atombox.xyz/protocal/clock24/Privacy_sc.html
Screenshots
Verdict
The clearest difference is review sentiment: 24Clock at 100% against Round Millisecond Clock's 0%. 24Clock also leads on rating (5.0 vs 1.0) and update cadence (monthly vs every 4 months). Round Millisecond Clock's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 24Clock sells 1 one-off in-app purchase. Round Millisecond Clock asks for nothing beyond the download.
24Clock holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of Round Millisecond Clock's written reviews are positive against 100% of 24Clock's.
Round Millisecond Clock ships an update every 4 months, 24Clock monthly. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.
| Parameter | Round Millisecond Clock | 24Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 34 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Seulki Eom | Aox.design Co., Ltd. |
Customer experience
Round Millisecond Clock
24Clock
In-app purchases
Round Millisecond Clock
No in-app purchases
24Clock
- 24Clock Purchase$2.99
Questions
Is Round Millisecond Clock free?
Is 24Clock free?
Which has better reviews, Round Millisecond Clock or 24Clock?
Do Round Millisecond Clock or 24Clock have ads?
Which is updated more often, Round Millisecond Clock or 24Clock?
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