Comparison

Atomic Clock (Gorgy Timing) vs FFBrief

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
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

FFBrief

This app uses AI to analyze weather briefings from ForeFlight, providing instant go/no-go recommendations and hazard detection. It simplifies complex aviation weather data into plain language, offering pilot advice and timezone conversions.

Highlights
  • AI-powered weather briefing analysis
  • Go/No-Go recommendation with reasoning
  • VFR, MVFR, IFR, LIFR classification
  • Hazard detection (thunderstorms, icing, etc.)
  • Pilot advice on altitude and timing
  • UTC to local timezone conversion
  • ForeFlight integration via share sheet
Features
Read full description

FFBrief requires an active subscription to access all features. A 7-day free trial is included — $4.99/year after the trial period. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dsiegel12.github.io/ffbrief-support FFBrief brings AI-powered analysis to your ForeFlight weather briefings. Share any ForeFlight briefing directly to FFBrief — PDF or HTML — and get an instant, plain-language go/no-go recommendation in seconds. WHAT YOU GET • Go/No-Go recommendation with clear reasoning • VFR, MVFR, IFR, and LIFR classification for departure and destination • Hazard detection: thunderstorms, icing, turbulence, TFRs, wind shear, and more • Detailed pilot advice on altitude, timing, and alternates • UTC times automatically converted to your local timezone • Full ForeFlight integration via the iOS share sheet HOW IT WORKS Open ForeFlight, generate your weather briefing, tap the share icon, and choose FFBrief. The app analyzes your briefing using Claude AI and returns a structured, easy-to-read analysis in seconds. Supports both HTML and PDF briefing formats.

Screenshots

Atomic Clock (Gorgy Timing)4 screens
FFBrief4 screens

Verdict

The call

The clearest difference is price: FFBrief at Free against Atomic Clock (Gorgy Timing)'s $1.99. FFBrief also leads on update cadence (weekly vs every 4 months) and rating (5.0 vs 4.8). Atomic Clock (Gorgy Timing)'s advantage is ratings volume (5K vs 1) and device support (4 vs 2). On 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

FFBrief is free to download; Atomic Clock (Gorgy Timing) costs $1.99 up front. Atomic Clock (Gorgy Timing) sells 5 one-off in-app purchases and FFBrief sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FFBrief holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Atomic Clock (Gorgy Timing) has 5K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Atomic Clock (Gorgy Timing) ships an update every 4 months, FFBrief weekly. The most recent releases landed on September 29, 2026 and August 29, 2026 respectively.

Scorecard7 real differences · 3 level
Atomic Clock (Gorgy Timing) versus FFBrief: the parameters behind the verdict, then further details
ParameterAtomic Clock (Gorgy Timing)FFBrief
Price$1.99Free — better
Rating4.8 (5K ratings)5.0 (1 ratings) — better
Positive reviews90.6% of reviews—
Number of ratings5K — better1
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size15 MB1 MB
Age rating4+4+
DeveloperCompuLab, Markus GömmelDONALD STEVEN SIEGEL

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%

FFBrief

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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
1 purchases

FFBrief

Subscriptions1
  • FFBrief Annual7 Days trial$4.991 Year

Questions

Is Atomic Clock (Gorgy Timing) free?
Atomic Clock (Gorgy Timing) costs $1.99, and also offers in-app purchases.
Is FFBrief free?
FFBrief is free to download, with in-app purchases available.
Which has better reviews, Atomic Clock (Gorgy Timing) or FFBrief?
FFBrief is rated higher. Atomic Clock (Gorgy Timing) averages 4.8 out of 5 from 5K ratings, while FFBrief averages 5.0 from 1 ratings.
Do Atomic Clock (Gorgy Timing) or FFBrief have ads?
Neither Atomic Clock (Gorgy Timing) nor FFBrief shows ads.
Which is updated more often, Atomic Clock (Gorgy Timing) or FFBrief?
Atomic Clock (Gorgy Timing) ships an update every 4 months, and FFBrief weekly. Most recently, Atomic Clock (Gorgy Timing) was updated on September 29, 2026 and FFBrief on August 29, 2026.

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