bnClock vs Millisecond Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
bnClock
This app displays the time with exceptionally large numbers, ideal for nighttime viewing or as a travel alarm. It also offers current weather information and customizable alarm sounds, including music from your library. Personalize your experience with custom background colors or photos.
- Extra-large number display
- Built-in alarm clock
- Current weather and forecast
- Customizable alarm sounds
- Photo or slideshow backgrounds
- Customizable background colors
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Do you ever have trouble reading the clock in the middle of the night? bnClock (big numbers clock) provides the largest numbers your iPhone or iPad will allow. Great to use as travel alarm clock. Also a great use for an old iPhone or iPad. bnClock displays the current weather conditions and the forecast based on your current location. If you prefer, choose a particular location for the forecast. Or, turn off the weather display. Choose a built-in alarm sound, or a song from your music library to use for the alarms. Now with custom background colors, or, use a photograph or slide show as a background.
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
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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 rating: Millisecond Clock at 4.7 against bnClock's 3.9. Millisecond Clock also leads on review sentiment (73% vs 55%) and ratings volume (131 vs 35). bnClock's advantage is in-app purchases (none vs 3) and ads (none vs shown). 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. Millisecond Clock sells 3 one-off in-app purchases. bnClock asks for nothing beyond the download.
Millisecond Clock holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 35 and 131 respectively. Written reviews point the same way: 55% of bnClock's written reviews are positive against 73% of Millisecond Clock's.
bnClock ships an update every 2 months, Millisecond Clock every 6 months. The most recent releases landed on September 28, 2026 and September 6, 2026 respectively.
| Parameter | bnClock | Millisecond Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (35 ratings) | 4.7 (131 ratings) — better |
| Positive reviews | 55.2% of reviews | 72.7% of reviews — better |
| Number of ratings | 35 | 131 — better |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Jim Calvin | Chia-Chun Hsieh |
Customer experience
bnClock
Millisecond Clock
In-app purchases
bnClock
No in-app purchases
Millisecond Clock
- Remove Ads$0.99
- Special Offer Package$2.99
- Unlock Themes$3.99
Questions
Is bnClock free?
Is Millisecond Clock free?
Which has better reviews, bnClock or Millisecond Clock?
Do bnClock or Millisecond Clock have ads?
Which is updated more often, bnClock or Millisecond Clock?
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