Comparison

Atomic Clock PRO vs What time is it?

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

What time is it?

This utility app allows users to check the current time and date by tapping or shaking their smartphone screen, even with their eyes closed. It offers customizable voice output, screen brightness adjustments, and unique animations. Ads can be removed via an in-app purchase.

Highlights
  • Tap or shake to hear time and date
  • Customizable voice output
  • Screen brightness settings
  • Menu lock feature
  • Unlockable animations
  • 24-hour format support
Features
Read full description

Voice clock app that tells the time with closed eyes. Tap or shake your smartphone screen to know the current time! During sleep, when you wake up and become curious about the time, but don't want to open your eyes... Why not give it a try? ---Main Features--- [Main Screen] * Tap or shake the screen to hear the date and time. * Battery level display, screen brightness settings. * Supports landscape and portrait orientations. * Menu Lock Setting/Release You can now lock and unlock the menu by long-pressing the menu icon. This allows you to prevent accidental menu presses that lead to various settings screens, especially when you are asleep. [Settings] * Customize voice and content for reading. (Toggle date on/off, order of date and time, 24-hour format, color changes, etc.) * Ads can be removed through in-app purchase. [Special Features] * Includes mysterious animations below the clock. * After a certain period of time, you can unlock special animations. * Customize options for enabling/disabling and adding animations in the settings. [Notes/Other] * While the app is running, your smartphone will not enter sleep mode, so please ensure sufficient battery charge when using the app. (However, when the battery level drops below 20%, it will automatically enter sleep mode.) * Lowering the screen brightness can help extend battery life, so it is recommended.

Screenshots

Atomic Clock PRO4 screens
What time is it?2 screens

Verdict

The call

The clearest difference is review sentiment: Atomic Clock PRO at 73% against What time is it?'s 0%. What time is it?'s advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model 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 What time is it? sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Atomic Clock PRO ships an update every 3 months, What time is it? every 3 weeks. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
Atomic Clock PRO versus What time is it?: the parameters behind the verdict, then further details
ParameterAtomic Clock PROWhat time is it?
PriceFreeFree
Rating4.7 (10K ratings) — better—
Positive reviews72.7% of reviews — better0.0% of reviews
Number of ratings10K — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.6
Further details — not scored
Size6 MB5 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KGShinichi Ishizuka

Customer experience

Atomic Clock PRO

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

What time is it?

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

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

What time is it?

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
1 purchases

What time is it?

One-time1
  • Remove ads$2.29

Questions

Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Is What time is it? free?
What time is it? is free to download, with in-app purchases available.
Do Atomic Clock PRO or What time is it? have ads?
Both Atomic Clock PRO and What time is it? show ads.
Which is updated more often, Atomic Clock PRO or What time is it??
Atomic Clock PRO ships an update every 3 months, and What time is it? every 3 weeks. Most recently, Atomic Clock PRO was updated on September 25, 2026 and What time is it? on September 17, 2026.

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