Comparison

The Clocks vs Atomic Clock PRO

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

Head to head
About

The Clocks

This app offers a variety of clock styles including flip, digital, and analog. It features customizable alarms with music options, a world clock for multiple locations, and several user-friendly controls for brightness, touch lock, and flashlight activation.

Highlights
  • Flip, Digital, and Analog clock types
  • In-app music alarms
  • World clock with 500+ cities
  • Customizable clock appearance
  • Adjustable snooze interval
  • Flashlight by shaking
Features
Read full description

The Clocks of Simplicity. Three fundamental clock types featuring in-app music alarms and a world clock. Clock Types: • Flip Clock • Digital Clock • Analog Clock • Detailed customization options for each clock Alarm Clock: • Supports up to 5 alarms • Adjustable snooze interval • Use your own iPod music as alarm sounds (while the app is running in the foreground) World Clock: • Displays times for 6 locations • Supports over 500 cities and countries Miscellaneous: • Touch lock • Intuitive gestures • Burn-in protection • Activate flashlight by shaking • User-friendly button interface • Adjustable brightness, scale, and position

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/

Screenshots

The Clocks4 screens
Atomic Clock PRO4 screens

Verdict

The call

The clearest difference is update cadence: The Clocks at every 2 weeks against Atomic Clock PRO's every 3 months. The Clocks also leads on iOS requirement (12.0 vs 15.6). Atomic Clock PRO's advantage is rating (4.7 vs 4.5). On price, review sentiment, ratings volume and ads 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. The Clocks sells 1 one-off in-app purchase and Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Atomic Clock PRO holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 21K and 10K respectively. Written reviews complicate that: 79% of The Clocks's written reviews are positive against 73% of Atomic Clock PRO's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

The Clocks ships an update every 2 weeks, Atomic Clock PRO every 3 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
The Clocks versus Atomic Clock PRO: the parameters behind the verdict, then further details
ParameterThe ClocksAtomic Clock PRO
PriceFreeFree
Rating4.5 (21K ratings)4.7 (10K ratings) — better
Positive reviews78.5% of reviews — better72.7% of reviews
Number of ratings21K — better10K
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size21 MB6 MB
Age rating4+4+
DeveloperMeanterm Inc.Brachmann Online Marketing GmbH & Co. KG

Customer experience

The Clocks

All ratings21,028 ratings
Positive87.9%
Neutral3.9%
Negative8.2%
Written reviews862 reviews
Positive78.5%
Neutral6.0%
Negative15.4%

Atomic Clock PRO

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

User reviews

The Clocks

From 21K App Store ratings

What we love

  • 💻 Excellent clock app
  • ⏰ Great for alarms and timers
  • 🎨 Customizable clock faces and styles
  • 🔍 Large, easy-to-read display
  • 🌙 Dimmable screen for nighttime use

Room to improve

  • 🐛 Alarm issues (doesn't always sound, short duration)
  • 🔒 Concerns about privacy and data access
  • 🔄 Orientation/rotation problems
  • 🔆 Brightness changes can be disruptive
  • 💲 Paid upgrade may be required for some features

Atomic Clock PRO

From 10K App Store ratings

What we love

  • ⭐ Accurate time display
  • 📟 Useful for timing events
  • 🕰️ Helpful for setting other clocks
  • 🔍 Large, easy-to-read clock face

Room to improve

  • 💸 Subscription model for ad-free version
  • 📢 Excessive advertisements
  • 🔍 Small font for seconds display
  • 🔀 Difficulty in displaying both analog and digital clocks simultaneously

Bugs and requests

The Clocks

Reported bugs

4 issues
  • Clock style randomly changes
  • Alarm doesn't work when device is locked
  • App freezes or crashes occasionally
  • Time displayed on home screen is incorrect

Requested features

7 requests
  • Add timer and stopwatch functions
  • Allow custom alarm sounds/music
  • Improve alarm reliability and duration
  • Provide more clock face/style options
  • Add date display
Show 2 more
  • Improve orientation/rotation controls
  • Adjust brightness changes to be less disruptive

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

In-app purchases

1 purchases

The Clocks

One-time1
  • The Clocks Premium Upgrade$3.99
2 purchases

Atomic Clock PRO

Subscriptions1
  • Premium$1.991 Month
One-time1
  • Remove Ads$5.99

Questions

Is The Clocks free?
The Clocks is free to download, with in-app purchases available.
Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Which has better reviews, The Clocks or Atomic Clock PRO?
Atomic Clock PRO is rated higher. The Clocks averages 4.5 out of 5 from 21K ratings, while Atomic Clock PRO averages 4.7 from 10K ratings.
Do The Clocks or Atomic Clock PRO have ads?
Both The Clocks and Atomic Clock PRO show ads.
Which is updated more often, The Clocks or Atomic Clock PRO?
The Clocks ships an update every 2 weeks, and Atomic Clock PRO every 3 months. Most recently, The Clocks was updated on September 24, 2026 and Atomic Clock PRO on September 23, 2026.

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