Digital Clock vs Round Millisecond Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Digital Clock
This app provides a clear and attractive LED digital clock display. It's ideal for use on a nightstand or desk, offering customizable options for time format and visibility of weekdays and dates.
- Beautiful LED digital display
- 12/24 hour mode switching
- Show/hide weekdays
- Show/hide date
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Digital Clock turns your iPhone, iPad, and Mac into a crisp retro LED display — the glow of a classic bedside or desk clock, right on your screen. Prop it up on your nightstand, desk, or home-office shelf and read the time at a glance, day or night. WHAT YOU CAN DO • Choose from several LED and LCD display styles • Show the time in 12- or 24-hour format, with optional seconds, weekday, and date • Add a blinking colon for that authentic digital-clock feel • Keep it in portrait or landscape, or lock it to the orientation you prefer • Dim the screen with a swipe for a gentle, glare-free glow at night • The display stays awake, so the clock is always there when you glance over TIMER & ALARMS • Set alarms to wake up or stay on schedule • Countdown timer, stopwatch, and a Pomodoro mode with work and break intervals • Pick your own alarm sound WIDGETS • Add Digital Clock to your Home Screen and Lock Screen DIGITAL CLOCK PRO Make it truly yours with a one-time upgrade: • Set custom digit and background colors • Use your own photo as the background • See the track currently playing in the Music app • Display any time zone in the world However you like to keep time — a stylish desk clock, a calm bedside companion, or a focus timer for work — Digital Clock has you covered.
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: Digital Clock at 51% against Round Millisecond Clock's 0%. Digital Clock also leads on rating (4.4 vs 1.0) and ads (none vs shown). Round Millisecond Clock's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17). On price 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. Digital Clock sells 1 one-off in-app purchase. Round Millisecond Clock asks for nothing beyond the download.
Digital Clock holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Digital Clock has 1.3K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 51% of Digital Clock's written reviews are positive against 0% of Round Millisecond Clock's.
Digital Clock ships an update every 3 weeks, Round Millisecond Clock every 4 months. The most recent releases landed on October 13, 2026 and September 25, 2026 respectively.
| Parameter | Digital Clock | Round Millisecond Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.3K ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 51.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 1.3K — better | 1 |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Applorium Ltd | Seulki Eom |
Customer experience
Digital Clock
Round Millisecond Clock
Bugs and requests
Digital Clock
Reported bugs
3 issues- Time display issues
- Widget only shows military time
- Inconsistent behavior with background images
Requested features
5 requests- Add alarm functionality
- Improve widget customization options
- Allow changing time format (12-hour vs. 24-hour)
- Introduce more free customization options
- Add weather information display
Round Millisecond Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Digital Clock
- Unlock all features$2.99
Round Millisecond Clock
No in-app purchases
Questions
Is Digital Clock free?
Is Round Millisecond Clock free?
Which has better reviews, Digital Clock or Round Millisecond Clock?
Do Digital Clock or Round Millisecond Clock have ads?
Which is updated more often, Digital Clock or Round Millisecond Clock?
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