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 transforms your device into a stylish LED bedside clock with customizable skins and dynamic time displays. It offers alarm functionality, voice time broadcasts, and a countdown timer, perfect for your desk or nightstand.
- Display time in seconds
- Customizable clock skins
- Alarm with music selection
- Hourly voice broadcast
- Countdown timer
- Home and lock screen widgets
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Transform your desk with a minimalist LED digital clock, standby display, and focus timer — designed for Dynamic Island, Lock Screen, and Home Screen widgets. - Live Second Precision: Real-time clock display with seconds across Dynamic Island, Standby Screen, Lock Screen, and Home Screen widgets. - Custom Clock Skins: Eye-catching LED digital clock designs, themes, and customizable bedside displays. - Flexible Display: Toggle between 12-hour/24-hour time formats and easily hide week and date displays. - Smart Alarms & Chimes: Custom alarm sounds, music library, and hourly voice time broadcasts. - Pomodoro Focus Timer: Stay focused on work and study with customizable break intervals. - Stopwatch & Countdown Timer: High-precision timer for workouts, cooking, productivity, and study. - Target Date & Event Countdown: Track important milestones, project deadlines, holidays, and event countdowns.
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 67% against Round Millisecond Clock's 0%. Digital Clock also leads on rating (4.6 vs 1.0) and update cadence (fortnightly vs every 4 months). Round Millisecond Clock's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). 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. Digital Clock sells 3 one-off in-app purchases. Round Millisecond Clock asks for nothing beyond the download.
Digital Clock holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Digital Clock has 69K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Digital Clock's written reviews are positive against 0% of Round Millisecond Clock's.
Digital Clock ships an update fortnightly, Round Millisecond Clock every 4 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.
| Parameter | Digital Clock | Round Millisecond Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (69K ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 67.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 69K — better | 1 |
| Update frequency | Fortnightly — better | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 80 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊杰 阮 | Seulki Eom |
Customer experience
Digital Clock
Round Millisecond Clock
Bugs and requests
Digital Clock
Reported bugs
6 issues- Alarm doesn't sound if device is in silent mode
- Alarm doesn't work
- Time display is wrong
- Widget doesn't show correct time
- App crashes frequently
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- Incompatible with older devices
Requested features
9 requests- Dark mode option
- More skins please ie: pixie (tube); RGB sliders
- Ability to input own music for alarm
- Vertical display
- Battery percentage and reminder
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- Ability to change alarm sounds
- Portrait mode
- Bigger clock display
- Transparent widget
Round Millisecond Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Digital Clock
- All clock styles$0.99
- Remove Ads$0.99
- Pro Version$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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