Clock+ vs Round Millisecond Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clock+
This bedside clock app features large, easy-to-read digits and simple alarm controls. Customize your experience with various themes and wake-up sounds.
- Large digit display
- Single tap alarm on/off
- Double tap to snooze
- Swipe to dim display
- Customizable themes
- Select wake-up alarm sound
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Large Digit Bedside Clock, a must have! Features: * Single tap to switch alarm on / off * Double tap to snooze alarm for 5 minutes * Swipe up / down to dim the display In-App purchase 'Unlock-All' allows the configuration of different themes / skins with over 100+ variations! Select wake-up alarm sound
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
Screenshots
Verdict
The clearest difference is review sentiment: Clock+ at 46% against Round Millisecond Clock's 0%. Clock+ also leads on rating (4.5 vs 1.0) and ads (none vs shown). Round Millisecond Clock's advantage is in-app purchases (none vs 1). On price, update cadence, device support and iOS requirement 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. Clock+ sells 1 one-off in-app purchase. Round Millisecond Clock asks for nothing beyond the download.
Clock+ holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Clock+ has 1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 46% of Clock+'s written reviews are positive against 0% of Round Millisecond Clock's.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.
| Parameter | Clock+ | Round Millisecond Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1K ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 45.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 1K — better | 1 |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | MARK MANSER | Seulki Eom |
Customer experience
Clock+
Round Millisecond Clock
Bugs and requests
Clock+
Reported bugs
4 issues- Alarm not working
- Date stuck on wrong day
- Settings not saving
- Inconsistent behavior after updates
Requested features
7 requests- Add weather information
- More alarm sound options
- Add snooze function
- Landscape mode
- Customizable colors and rotation
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- Add HH:MM:SS display
- 24-hour time format
Round Millisecond Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Clock+
- Unlock All$0.99
Round Millisecond Clock
No in-app purchases
Questions
Is Clock+ free?
Is Round Millisecond Clock free?
Which has better reviews, Clock+ or Round Millisecond Clock?
Do Clock+ or Round Millisecond Clock have ads?
Which is updated more often, Clock+ or Round Millisecond Clock?
Other comparisons
