Comparison

LCD Clock vs Atomic Clock PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LCD Clock

Transform your device into a stylish digital clock and calendar. It offers a clean, minimal display perfect for any room, with features like international holidays and weather forecasts. Enhance your daily visibility and convenience with this multifunctional utility.

Highlights
  • Digital LCD-style clock display
  • Integrated calendar view
  • International holiday display
  • Weather forecast
  • Six-day calendar support
  • Adjustable screen brightness
Features
Read full description

LCD Clock — Simple Clock & Calendar LCD Clock combines a digital clock and a calendar into one beautifully retro LCD-style desk clock. Just place your iPhone on a charging dock, and your desk instantly gets a clean, easy-to-read clock and calendar. Perfect for your office desk, living room, or bedside table — adding convenience and clarity wherever you are. Key Features - Large, easy-to-read digital clock (12/24-hour format) - Monthly calendar (view up to 7 months) - Public holidays for countries worldwide, automatically fetched and highlighted - Weather forecast for your chosen location (current location supported) - Japanese era (Reiwa) and rokuyō display - Customizable first day of the week - 8 color themes plus a random theme - Adjustable screen brightness, shake-to-light backlight - Full-screen landscape clock mode - Optimized for iPhone Duo (layouts for both the closed and open screens; two months of calendar when open) A True Alarm Clock (iOS 26 and later) Powered by Apple's latest alarm technology (AlarmKit), the alarm has been dramatically upgraded. - Rings with a full-screen alarm even when the app is closed or your iPhone is locked - Breaks through Silent Mode and Focus — and keeps ringing until you stop it - Quick STOP / SNOOZE (5 min) buttons - Adjustable alarm volume in the app. Set it to mute for a silent, screen-only alert (with vibration while the app is open) Notes - Weather requires location access; holiday display requires calendar access - On iOS 25 and earlier, alarms are delivered as notifications (no sound in Silent Mode, and the notification sound stops automatically after a short time) - Please refrain from making complaints regarding malfunctioning alarms.

About

Atomic Clock PRO

Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.

Highlights
  • Exact time from atomic clock
  • Automatic time zone recognition
  • Customizable background images
  • Digital and analog clock modes
  • Optional sound alerts
  • Color customization
Features
Read full description

Get accurate time on your iPhone and iPad by syncing with an official atomic clock time server. Download now for free! If you want exact time, a precise time reference, or an easy-to-read clock display, this app is designed for that. It automatically recognizes your time zone, lets you use one of your own photos as the background, and lets you switch between a digital display and a classic analog clock with a simple swipe. It is ideal as a personalized desk clock, a reliable travel companion, an everyday reference clock, or when you need exact time to set a mechanical watch accurately. Overview: - Accurate and precise time synced from an official atomic clock time server - Automatically recognizes your time zone and shows the current local time - Choose digital, analog, or combined analog and digital clock displays - Swipe to switch between clock displays - Resize the digital clock for a larger or smaller display - Includes time (hours, minutes, and seconds), date, and day of the week (optional) - Optional sound every second or every minute - Change clock and background colors - Use your own photos as background images - Choose atomic clock sync or your device's system clock - Option to keep the screen awake while the app is open - Works in portrait and landscape mode - For iPhone and iPad Helpful for: - A personalized desk clock at home or at work - Getting the correct local time while traveling - Setting a mechanical watch accurately - A clear reference clock when you want accurate, easy-to-read time PLEASE NOTE: You can switch between the analog and digital clock by swiping left or right across the clock. Disclaimer: Please note that whilst all reasonable care has been taken to make this application as accurate as possible we can not guarantee 100% accuracy. Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LCD Clock4 screens
Atomic Clock PRO4 screens

Verdict

The call

The clearest difference is price: Atomic Clock PRO at Free against LCD Clock's $1.99. Atomic Clock PRO also leads on ratings volume (10K vs 12) and review sentiment (73% vs 62%). LCD Clock's advantage is ads (none vs shown). On rating, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Atomic Clock PRO is free to download; LCD Clock costs $1.99 up front. LCD Clock sells 3 one-off in-app purchases and Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for LCD Clock against 4.7 for Atomic Clock PRO. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 62% of LCD Clock's written reviews are positive against 73% of Atomic Clock PRO's.

UpkeepUpdate frequency

LCD Clock ships an update every 7 months, Atomic Clock PRO every 3 months. Both last shipped on October 18, 2026.

Scorecard7 real differences · 3 level
LCD Clock versus Atomic Clock PRO: the parameters behind the verdict, then further details
ParameterLCD ClockAtomic Clock PRO
Price$1.99Free — better
Rating4.7 (12 ratings)4.7 (10K ratings)
Positive reviews61.7% of reviews73.0% of reviews — better
Number of ratings1210K — better
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.6 — better
Further details — not scored
Size47 MB6 MB
Age rating4+4+
DeveloperforYou inc.Brachmann Online Marketing GmbH & Co. KG

Customer experience

LCD Clock

All ratings12 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews141 reviews
Positive61.7%
Neutral18.4%
Negative19.9%

Atomic Clock PRO

All ratings10,111 ratings
Positive92.3%
Neutral3.5%
Negative4.2%
Written reviews422 reviews
Positive73.0%
Neutral5.9%
Negative21.1%

Bugs and requests

LCD Clock

Not enough reviews yet to summarise bugs or requests.

Atomic Clock PRO

Reported bugs

3 issues
  • Second hand occasionally runs in reverse
  • Digital clock display cuts off on some devices
  • Inconsistent behavior when switching between clock types

Requested features

3 requests
  • Customizable clock face options
  • Ability to set widget on home screen
  • Sync with system clock to automatically update time

In-app purchases

3 purchases

LCD Clock

One-time3
  • I'll buy you a cup of coffee.$1.99
  • I'll buy you two coffees.$3.99
  • I'll buy you a lot of coffee.$31.99
2 purchases

Atomic Clock PRO

Subscriptions1
  • Premium$1.991 Month
One-time1
  • Remove Ads$5.99

Questions

Is LCD Clock free?
LCD Clock costs $1.99, and also offers in-app purchases.
Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Which has better reviews, LCD Clock or Atomic Clock PRO?
LCD Clock and Atomic Clock PRO are both rated 4.7 out of 5 on the App Store, from 12 and 10K ratings respectively.
Do LCD Clock or Atomic Clock PRO have ads?
Atomic Clock PRO shows ads; LCD Clock does not.
Which is updated more often, LCD Clock or Atomic Clock PRO?
LCD Clock ships an update every 7 months, and Atomic Clock PRO every 3 months. Most recently, LCD Clock was updated on October 18, 2026 and Atomic Clock PRO on October 18, 2026.

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