Digital Clock vs 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
Read full descriptionHide full description
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.
Millisecond Clock
This app displays the most accurate time available, down to the millisecond. It's useful for measuring network delays or video streaming lag by comparing displayed time differences.
- Millisecond precision time display
- Accurate timekeeping for iPhone and iPad
- Network delay measurement
- Video streaming lag analysis
- Free to download
Read full descriptionHide full description
Millisecond Clock shows the exact time down to 1/1000 of a second, accurate enough to measure real delay in cameras, video streams, and network connections. Point a camera at the screen and compare it to another display: the difference in milliseconds tells you exactly how much latency you are dealing with. Beyond precision, Millisecond Clock is a clock you can make your own. Every part of it, from color and font to position on screen, is yours to design. DESIGN YOUR CLOCK- 13 built-in color themes, or create unlimited custom themes with the full color picker - 30 fonts, from the classic digital LED look to elegant serif and rounded styles - Adjustable glow and shadow effects for extra depth - Drag the clock, date, and weekday anywhere on screen, and resize each one independently STAY ON TIME, YOUR WAY- 12-hour or 24-hour time, with an optional blinking colon - 9 date formats to match how you write dates - Show or hide the date and day of the week - Toggle the millisecond display on or off BUILT TO STAY ON SCREEN- Keeps your screen awake so the clock is always visible - A true universal app, designed for both iPhone and iPad Millisecond Clock is free to use, supported by ads. A one-time in-app purchase removes ads and unlocks every premium theme, no subscription required.
Screenshots
Verdict
The clearest difference is ads: Digital Clock at none against Millisecond Clock's shown. Digital Clock also leads on update cadence (every 3 weeks vs every 6 months) and ratings volume (1.3K vs 131). Millisecond Clock's advantage is review sentiment (73% vs 51%) and rating (4.7 vs 4.4). On price, in-app purchases, monetization model 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 and Millisecond Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Millisecond Clock holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Digital Clock has 1.3K ratings behind it against 131, 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 73% of Millisecond Clock's.
Digital Clock ships an update every 3 weeks, Millisecond Clock every 6 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.
| Parameter | Digital Clock | Millisecond Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.3K ratings) | 4.7 (131 ratings) — better |
| Positive reviews | 51.1% of reviews | 72.7% of reviews — better |
| Number of ratings | 1.3K — better | 131 |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Applorium Ltd | Chia-Chun Hsieh |
Customer experience
Digital Clock
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
Millisecond Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Digital Clock
- Unlock all features$2.99
Millisecond Clock
- Remove Ads$0.99
- Special Offer Package$2.99
- Unlock Themes$3.99
Questions
Is Digital Clock free?
Is Millisecond Clock free?
Which has better reviews, Digital Clock or Millisecond Clock?
Do Digital Clock or Millisecond Clock have ads?
Which is updated more often, Digital Clock or Millisecond Clock?
Other comparisons















