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Comparison

Atomic Clock PRO vs Flip clock & clock widget

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

Head to head
Atomic Clock PRO
Atomic Clock PRO

Exact Time Digital and Analog

Free
🔧 Utilities
★ 4.710K ratingsView app →
Flip clock & clock widget
Flip clock & clock widget

Full screen desktop clock.

Free
🔧 Utilities
★ 5.03 ratingsView app →
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

Flip clock & clock widget

This app offers a full-screen desktop clock with a unique page-turning animation to display time. It can be used for study, work focus, desktop beautification, and time planning. The interface is simple and allows theme switching.

Highlights
  • Full-screen page-turning animation
  • Minimalist design style
  • White noise for focus
  • Optional time and date display
  • 12 and 24 hour modes
  • Switchable clock themes
Features
Read full description

Desktop Clock is an exquisite full-screen Clock with page-turning animation to show time changes. It can be used to aid study, focus on work, beautify the desktop of mobile phone, time planning and reminder etc. It is very eye-catching on the desktop during work and study, and can be seen from all angles. You can also make full use of your unused phone or iPad at home as a clock display. Interface style simple atmosphere, black and white theme free switch. Features and functions: 1. Full-screen page-turning animation, minimalist design style 2. White noise: Eliminate distractions and keep you focused 3. Time display, date display optional display 4. Supports 12 and 24 hour modes 5. Clock theme can switch freely

Screenshots

Atomic Clock PRO4 screens
Flip clock & clock widget4 screens

Verdict

The call

The clearest difference is ads: Flip clock & clock widget at none against Atomic Clock PRO's shown. Flip clock & clock widget also leads on rating (5.0 vs 4.7). Atomic Clock PRO's advantage is ratings volume (10K vs 3) and iOS requirement (15.6 vs 17). On price, review sentiment, update cadence 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 Flip clock & clock widget sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Flip clock & clock widget holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 73% of Atomic Clock PRO's written reviews are positive against 69% of Flip clock & clock widget's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Atomic Clock PRO ships an update every 3 months, Flip clock & clock widget every 2 months. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
Atomic Clock PRO versus Flip clock & clock widget: the parameters behind the verdict, then further details
ParameterAtomic Clock PROFlip clock & clock widget
PriceFreeFree
Rating4.7 (10K ratings)5.0 (3 ratings) — better
Positive reviews72.7% of reviews — better68.8% of reviews
Number of ratings10K — better3
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17
Further details — not scored
Size6 MB88 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KG境 高

Customer experience

Atomic Clock PRO

All ratings10,111 ratings
Positive92.3%
Neutral3.5%
Negative4.2%
Written reviews421 reviews
Positive72.7%
Neutral6.2%
Negative21.1%

Flip clock & clock widget

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews32 reviews
Positive68.8%
Neutral9.4%
Negative21.9%

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

Flip clock & clock widget

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
2 purchases

Flip clock & clock widget

One-time2
  • Permanent Membership$2.99
  • Lifetime Membership$5.99

Questions

Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Is Flip clock & clock widget free?
Flip clock & clock widget is free to download, with in-app purchases available.
Which has better reviews, Atomic Clock PRO or Flip clock & clock widget?
Flip clock & clock widget is rated higher. Atomic Clock PRO averages 4.7 out of 5 from 10K ratings, while Flip clock & clock widget averages 5.0 from 3 ratings.
Do Atomic Clock PRO or Flip clock & clock widget have ads?
Atomic Clock PRO shows ads; Flip clock & clock widget does not.
Which is updated more often, Atomic Clock PRO or Flip clock & clock widget?
Atomic Clock PRO ships an update every 3 months, and Flip clock & clock widget every 2 months. Most recently, Atomic Clock PRO was updated on September 25, 2026 and Flip clock & clock widget on September 18, 2026.

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