Comparison

Atomic Clock PRO vs AOD Clock

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

Head to head
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/

About

AOD Clock

Keep your phone's screen on with a stylish clock. Display the time, date, day, and battery percentage without unlocking your device. Customize themes, backgrounds, fonts, and add icons for a personalized look.

Highlights
  • Always-on display with clock
  • Shows date, day, and battery
  • Customizable clock themes
  • Background and font color options
  • Add icons to display
  • Alarm setting with snooze
Features
Read full description

Always on Display Clock: The Ultimate Utility Big Clock & Productivity Hub. Transform your iPhone into a powerful, hands-free utility tool. Whether you need a high-visibility nightstand clock for late-night time checks without touching your phone, or a practical AOD for your desk setup to track work sessions, our app provides a reliable and fluid experience. NEW IN 2026: Fully optimized for StandBy Mode and Live Activities. Track active timers and critical alarms with a single glance while your phone is charging or locked. HIGHLIGHT FEATURES • 25+ Premium Templates: Choose from Digital, Analog, and Neon styles designed specifically for maximum visibility and battery efficiency. • Clock with Wallpaper: Personalize your AOD setup with clean backgrounds or your own photos. • Home Screen Widgets: Add high-utility clock styles directly to your home screen for quick access. • Live Activities: Keep an eye on active timers and alarms in real-time right on your Lock Screen. • Floating Clock: Keep a movable clock overlay active while researching or using other apps. FULL CUSTOMIZATION • RGB Color Picker: Pick the perfect font color for low-light environments using our professional color disk. • Custom Quotes: Write a motivational sentence or daily reminder to display alongside the time. • Smart Alarms: A complete utility alarm suite with snooze, repeat, and custom tones to wake up on time. PREMIUM BENEFITS • Exclusive Themes: Access our highest-definition, professional clock wallpapers. • No Interruptions: Enjoy a completely ad-free, seamless experience. IDEAL FOR: • Nightstand Clock: Check the time in the dark without straining your eyes. • Desk Setup & Productivity: Keep a highly visible timer running while studying or working from home. • Charging Stand: Make the most of your MagSafe charger by turning your phone into a dedicated smart display. Keep your phone’s display functional and accessible. Download Always on Display Clock today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Atomic Clock PRO4 screens
AOD Clock4 screens

Verdict

The call

The clearest difference is review sentiment: Atomic Clock PRO at 73% against AOD Clock's 9%. Atomic Clock PRO also leads on rating (4.7 vs 2.4) and ratings volume (10K vs 32). On price, update cadence, ads and in-app purchases 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

Both are free to download. Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month and AOD Clock sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Atomic Clock PRO holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 73% of Atomic Clock PRO's written reviews are positive against 9% of AOD Clock's.

UpkeepUpdate frequency

Atomic Clock PRO ships an update every 3 months, AOD Clock every 2 months. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
Atomic Clock PRO versus AOD Clock: the parameters behind the verdict, then further details
ParameterAtomic Clock PROAOD Clock
PriceFreeFree
Rating4.7 (10K ratings) — better2.4 (32 ratings)
Positive reviews73.0% of reviews — better9.1% of reviews
Number of ratings10K — better32
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size6 MB190 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KGKevin Ghori

Customer experience

Atomic Clock PRO

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

AOD Clock

All ratings32 ratings
Positive34.4%
Neutral12.5%
Negative53.1%
Written reviews33 reviews
Positive9.1%
Neutral6.1%
Negative84.8%

Bugs and 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

AOD Clock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Atomic Clock PRO

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

AOD Clock

Subscriptions3
  • Always on Display Weekly Plan$4.997 Days
  • Always on Display Monthly Plan$9.991 Month
  • Always on Display Yearly Plan$49.991 Year

Questions

Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Is AOD Clock free?
AOD Clock is free to download, with in-app purchases available.
Which has better reviews, Atomic Clock PRO or AOD Clock?
Atomic Clock PRO is rated higher. Atomic Clock PRO averages 4.7 out of 5 from 10K ratings, while AOD Clock averages 2.4 from 32 ratings.
Do Atomic Clock PRO or AOD Clock have ads?
Both Atomic Clock PRO and AOD Clock show ads.
Which is updated more often, Atomic Clock PRO or AOD Clock?
Atomic Clock PRO ships an update every 3 months, and AOD Clock every 2 months. Most recently, Atomic Clock PRO was updated on October 18, 2026 and AOD Clock on October 14, 2026.

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