Comparison

Atomic Clock (Gorgy Timing) vs Flip Clock Pro

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

Head to head
About

Atomic Clock (Gorgy Timing)

This app provides ultra-precise time by syncing with atomic time servers. It features a customizable display mimicking professional studio clocks, with advanced alarm functions and various visual themes. Designed for accuracy and usability, it's ideal for professionals and enthusiasts alike.

Highlights
  • Syncs with atomic time servers
  • Professional studio clock display
  • Customizable alarm with snooze
  • Local time / UTC mode
  • Multiple color themes
  • Night mode for dimming
  • Disabled screen auto-lock
Features
Currently charting
Read full description

This tool shows you the ultimate precise time of day. To achieve this, it uses a special internet time protocol to fetch the time from an atomic time server. We are proud to offer version 5 of the Gorgy Timing Atomic Clock. The program is one of the classic applications since the early days of the Apple App Store and has been continually improved based on user feedback. The Gorgy Timing Atomic Clock shows the precise time of day. To achieve this, it uses a special internet time protocol to fetch the ultimate precise time from cesium atomic clocks available on the internet, or any other time server you like. The graphical display mimics the clock display of the legendary Gorgy Timing clocks, which are used in professional radio and television studios, and we spent much effort to bring the original feeling of these wickedly expensive clocks to your iPhone. This app is used by BBC studios, astronomers, concert promoters, etc. Version 5 contains the following functions: * Universal support for all iPhone, iPad and iPod touch devices running iOS 15, iPadOS 15, watchOS 9 or higher * Optimized for the latest iOS, iPadOS and watchOS, full 64 bit support * Alarm function with snooze (touch anywhere on the screen), volume fade-in, based on weekdays * Alarm time based on seconds (not minutes) * Local time / UTC time mode * Alarm notification window instead of normal alarm sound, if app is not running or in the background * Use playlists or a manual picker selection from your own music library as alarm sounds * The alarm sound is also playing when the device is muted, or the display is switched off, and also works in AirPlay environments * Customizable time server sources * Colors: green, red, blue, yellow, white, dark green, violet, pink, orange, turquoise and hidden, with a separate color option for digits, seconds and segments * Alternative visual display of fractional seconds (1/60th sec. resolution) * 12/24 hours display * Optional second tick sound * Full landscape support (including settings dialog) * Touching the display lets the buttons and status bar fade out * Touching the display again will add the current date (in all orientations) * Disabled screen auto-lock * Options "sync at startup", "hourly", "daily", or a sync button for manual syncing * The last known time delta is used when started without sync * "Night mode", which dims the display using a slider, shows the seconds with only one dot (to prevent a hard brightness switch between second 59 and second 0), switches off the tick sound, and reduces screen updates to save battery * To minimize burn-in effects (especially on the iPhone X OLED display), the clock is doing micro movements when running longer than 5 minutes * VoiceOver support Answers to common questions: * An application can not set your device's system time, so a time sync between the atomic time and the device time is not possible. * If you want to wakeup with music, please do not exit the app before going to sleep (which would result in a local notification dialog without music in the morning), and do not lock your device. Be aware that running an application all the time, even without display, consumes battery, so please make sure that your iPhone is fully charged before you go to bed, connect it to your charger, or use the app's Night mode, which is much more energy-saving.

About

Flip Clock Pro

A minimalist desktop digital clock offering a variety of customization options. It displays time with seconds, includes a smart alarm, timer, stopwatch, and Pomodoro timer. The app also supports white noise and personalized signatures.

Highlights
  • Display time with seconds
  • Smart alarm clock
  • Timer and stopwatch
  • Pomodoro Technique timer
  • Multiple clock themes
  • Background white noise playback
  • Home and lock screen widgets
Features
Read full description

Flip Clock Pro is a minimalist desktop digital clock. Desktop clock widget supports displaying seconds and calendar. - Show time in seconds on Dynamic island - Full screen display time and date - 12 and 24 hour modes. - Smart alarm clock, can automatically adjust the volume. - Support multiple clock themes. - Provide timer and stopwatch, countdown. - The Pomodoro Technique helps you focus on work and study. - Support playing background white noise. - Show time seconds in Today widget. - Provide home screen and lock screen clock widget display with seconds. - Provide calendar and clock widget display. - Support to display personalized signature on the lock screen - Hourly chime, hourly voice timekeeping. - You can set the app to automatically launch when charging, as a screensaver.

Screenshots

Atomic Clock (Gorgy Timing)4 screens
Flip Clock Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Flip Clock Pro at none against Atomic Clock (Gorgy Timing)'s 5. Atomic Clock (Gorgy Timing)'s advantage is review sentiment (91% vs 74%) and rating (4.8 vs 4.6). On update cadence, ads, device support and iOS requirement 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 (Gorgy Timing) costs $1.99 and Flip Clock Pro $2.99 up front. Atomic Clock (Gorgy Timing) sells 5 one-off in-app purchases. Flip Clock Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Atomic Clock (Gorgy Timing) holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 5K and 1.5K respectively. Written reviews point the same way: 91% of Atomic Clock (Gorgy Timing)'s written reviews are positive against 74% of Flip Clock Pro's.

UpkeepUpdate frequency

Atomic Clock (Gorgy Timing) ships an update every 4 months, Flip Clock Pro every 2 months. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

Scorecard7 real differences · 4 level
Atomic Clock (Gorgy Timing) versus Flip Clock Pro: the parameters behind the verdict, then further details
ParameterAtomic Clock (Gorgy Timing)Flip Clock Pro
Price$1.99 — better$2.99
Rating4.8 (5K ratings) — better4.6 (1.5K ratings)
Positive reviews90.6% of reviews — better74.1% of reviews
Number of ratings5K — better1.5K
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#133 — better—
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Mac
Requires iOS15.015.0
Further details — not scored
Size15 MB46 MB
Age rating4+4+
DeveloperCompuLab, Markus Gömmel翠玲 施

Customer experience

Atomic Clock (Gorgy Timing)

All ratings4,974 ratings
Positive96.6%
Neutral1.8%
Negative1.6%
Written reviews371 reviews
Positive90.6%
Neutral4.0%
Negative5.4%

Flip Clock Pro

All ratings1,496 ratings
Positive91.4%
Neutral4.0%
Negative4.6%
Written reviews305 reviews
Positive74.1%
Neutral8.9%
Negative17.0%

Bugs and requests

Atomic Clock (Gorgy Timing)

Not enough reviews yet to summarise bugs or requests.

Flip Clock Pro

Reported bugs

4 issues
  • Seconds digit freezing
  • Widget not showing 12-hour time format
  • Brightness issues when leaving app open
  • Inconsistent sound and alarm problems

Requested features

6 requests
  • Add more alarm sound options
  • Allow customization of alarm sound from music library
  • Implement a snooze function
  • Add ability to set multiple alarm times
  • Provide more color and font customization options
Show 1 more
  • Improve landscape mode support

In-app purchases

5 purchases

Atomic Clock (Gorgy Timing)

One-time5
  • Nice job$0.99
  • Good work.$2.99
  • Great app!$3.99
Show 2 more
  • Awesome idea!$8.99
  • I totally love it!$17.99
None

Flip Clock Pro

No in-app purchases

Questions

Is Atomic Clock (Gorgy Timing) free?
Atomic Clock (Gorgy Timing) costs $1.99, and also offers in-app purchases.
Is Flip Clock Pro free?
Flip Clock Pro costs $2.99, with no in-app purchases.
Which has better reviews, Atomic Clock (Gorgy Timing) or Flip Clock Pro?
Atomic Clock (Gorgy Timing) is rated higher. Atomic Clock (Gorgy Timing) averages 4.8 out of 5 from 5K ratings, while Flip Clock Pro averages 4.6 from 1.5K ratings.
Do Atomic Clock (Gorgy Timing) or Flip Clock Pro have ads?
Neither Atomic Clock (Gorgy Timing) nor Flip Clock Pro shows ads.
Which is updated more often, Atomic Clock (Gorgy Timing) or Flip Clock Pro?
Atomic Clock (Gorgy Timing) ships an update every 4 months, and Flip Clock Pro every 2 months. Most recently, Atomic Clock (Gorgy Timing) was updated on September 29, 2026 and Flip Clock Pro on September 27, 2026.

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