Comparison

Atomic Clock PRO vs Universal Dice

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

This app provides highly accurate time by syncing with official atomic clock servers. Customize your display with digital or analog views, personal backgrounds, and adjustable sizes. It's perfect for precise timekeeping, travel, or as a personalized desk clock.

Highlights
  • Atomic clock time synchronization
  • Digital and analog display options
  • Customizable backgrounds
  • Adjustable clock size
  • Automatic time zone recognition
  • Screen always on option
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

Universal Dice

Features
Read full description

Created by a young developer with a love for creativity, games, and problem-solving, Universal Dice turns a simple idea into a fun and practical random selector. Universal Dice is a simple and flexible random selection app featuring five fully customizable dice. Each die can be given its own name, items, and probability weights, making it easy to create random choices for games, classroom activities, family fun, or everyday decisions. Tap any die to make an individual selection, or roll all five at once. You can customize the probability of each item, so some results can appear more often than others. Features include: * Five customizable dice * Custom names and items * Adjustable probability weights * Multiple colorful themes * Support for multiple languages * Roll individually or all at once * Simple reset and clear controls * No account required Whether you’re choosing what to eat, creating rules for a board game, selecting classroom activities, or just making everyday decisions more fun, Universal Dice gives you an easy and colorful way to leave the choice to chance. Designed with simplicity, creativity, and fun in mind.

Screenshots

Atomic Clock PRO4 screens
Universal Dice3 screens

Verdict

The call

The clearest difference is price: Atomic Clock PRO at Free against Universal Dice's $0.49. Atomic Clock PRO also leads on iOS requirement (15.6 vs 17.0). Universal Dice's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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

Atomic Clock PRO is free to download; Universal Dice costs $0.49 up front. Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month. Universal Dice asks for nothing beyond the download.

UpkeepUpdate frequency

Atomic Clock PRO ships an update every 4 months, Universal Dice every 2 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Atomic Clock PRO versus Universal Dice: the parameters behind the verdict, then further details
ParameterAtomic Clock PROUniversal Dice
PriceFree — better$0.49
Rating4.7 (10K ratings) — better—
Positive reviews72.9% of reviews—
Number of ratings10K — better—
Update frequencyEvery 4 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size6 MB10 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KGYuting Xu

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

Universal Dice

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
None

Universal Dice

No in-app purchases

Questions

Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Is Universal Dice free?
Universal Dice costs $0.49, with no in-app purchases.
Do Atomic Clock PRO or Universal Dice have ads?
Atomic Clock PRO shows ads; Universal Dice does not.
Which is updated more often, Atomic Clock PRO or Universal Dice?
Atomic Clock PRO ships an update every 4 months, and Universal Dice every 2 days. Most recently, Atomic Clock PRO was updated on November 2, 2026 and Universal Dice on October 31, 2026.

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