Comparison

AtomicClock vs Hamilton Watch Scanner

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

Head to head
About

AtomicClock

This app displays the exact current time synchronized with NTP servers, offering a customizable clock view for precise time checks. It's ideal for setting watches, verifying timestamps, or comparing local and network time.

Highlights
  • Precise time from NTP servers
  • Customizable clock faces
  • Select or add time servers
  • Local and UTC views
  • 12/24 hour modes
  • Customizable time format
  • Acoustic ticking
Features
Read full description

Check precise NTP reference time at a glance. AtomicClock helps you set watches, wall clocks, cameras, and other devices, compare local time with UTC, and follow moments when every second matters. Clear analog and digital time AtomicClock displays current time from NTP servers that reference atomic clocks. Choose a predefined server or add your own, then view local or UTC time in a clean analog or digital clock. Customize your reference clock • Switch between 12-hour and 24-hour time • Customize the time format • Choose from multiple clock faces and hands • Use a smooth, fluid second hand • Add acoustic ticking or the Greenwich Time Signal • Tap the screen to hide information and controls, freeze the display, or mute ticking Details for precise time checks View technical NTP information, including round-trip time and server stratum. Whether you are checking a timestamp, preparing a camera, aligning a wall clock, or setting a watch by hand, the seconds remain clear and easy to follow. AtomicClock is free to use. AtomicClock Pro is available as a one-time purchase with no subscription. It unlocks your preferred clock face, hands, and font, removes ads, and includes upcoming Pro features. AtomicClock displays NTP reference time for comparison and does not change your device’s system time. Results can vary with the selected server, network conditions, and device behavior.

About

Hamilton Watch Scanner

Read full description

Hamilton Watch Scanner is an app that scans the datamatrix of the watch when it is sold in stores. The application is intended for official Hamilton retailers. The camera is used to scan reference numbers, serial numbers or datamatrix to register the watch sale in store. No customer data is recorded.

Screenshots

AtomicClock4 screens
Hamilton Watch Scanner3 screens

Verdict

The call

The clearest difference is in-app purchases: Hamilton Watch Scanner at none against AtomicClock's 1. Hamilton Watch Scanner also leads on ads (none vs shown) and iOS requirement (15.5 vs 17.4). On price, update cadence and device support 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. AtomicClock sells 1 one-off in-app purchase. Hamilton Watch Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

AtomicClock ships an update monthly, Hamilton Watch Scanner every 6 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
AtomicClock versus Hamilton Watch Scanner: the parameters behind the verdict, then further details
ParameterAtomicClockHamilton Watch Scanner
PriceFreeFree
Rating4.8 (5.6K ratings) — better—
Positive reviews84.3% of reviews—
Number of ratings5.6K — better—
Update frequencyMonthly — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.415.5 — better
Further details — not scored
Size17 MB88 MB
Age rating4+4+
DeveloperTimo PartlHamilton International Ltd.

Bugs and requests

AtomicClock

Reported bugs

3 issues
  • Crashes on certain iOS versions
  • Occasional freezing of hands
  • Countdown timer sound not working

Requested features

5 requests
  • Add GMT/dual time display
  • Implement widget support
  • Add different second hand sounds
  • Allow setting background color to match watch
  • Include alarm/timer functionality

Hamilton Watch Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

AtomicClock

One-time1
  • Lifetime Pro Version$6.99
None

Hamilton Watch Scanner

No in-app purchases

Questions

Is AtomicClock free?
AtomicClock is free to download, with in-app purchases available.
Is Hamilton Watch Scanner free?
Hamilton Watch Scanner is free to download, with no in-app purchases.
Do AtomicClock or Hamilton Watch Scanner have ads?
AtomicClock shows ads; Hamilton Watch Scanner does not.
Which is updated more often, AtomicClock or Hamilton Watch Scanner?
AtomicClock ships an update monthly, and Hamilton Watch Scanner every 6 weeks. Most recently, AtomicClock was updated on October 19, 2026 and Hamilton Watch Scanner on October 14, 2026.

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