Comparison

Atomic Clock PRO vs TrumpTime Date Calculator

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

TrumpTime Date Calculator

Calculate the duration of a presidential term, including elapsed days, remaining days, and future projections. It also functions as a general date calculator for any two dates or time periods.

Highlights
  • Calculate elapsed and remaining presidential term days
  • Project future term lengths
  • General date calculator for any two dates
  • Calculate dates based on time periods
  • Progress bar visualization
  • Icon badge for daily updates
  • Copyable text descriptions of time calculations
Features
Read full description

Do you wonder how long the 45th President has been in office? How many more days until the end of his term? What if he wins re-election - how long will it be then? TrumpTime is a date calculator. It displays the time elapsed since the start of the Trump Administration: the number of days elapsed, the remaining days and the overall days in the term. Pick today or any date. Select a milestone, such as one year in office, day 500 or the next Presidential Election Day. Or, enter a time period since Inauguration - for example, 2 years, 8 months and 27 days - to see that date. The progress bar illustrates the elapsed time since Inauguration. You can display a four-year term ending January 20, 2021 or an eight-year term ending January 20, 2025. Want to know the time until a milestone? Turn on "Time to milestone", select today or any date, and select a milestone, such as the 2018 Midterm Election. The display shows the days from the date until the milestone. Other features: TrumpTime includes a general date calculator. Open the calculator and pick any two dates to display the time between them. Or, find the date that is a given time period before or after a known date; for example, find the date that is 17 weeks and 4 days after today. You can enter formulas as the time period using the four arithmetic operators +, -, × and ÷, and you can chain multiple operations together. For example, you can calculate the date that is 7 × 29 + 3 months after a known date. You can display a text description of the elapsed, remaining and overall time in office, and copy it to paste into other apps, like Mail. The app’s icon badge can display the elapsed or remaining days. When enabled, the badge will update automatically at midnight each day. The progress bar can display the elapsed time in green or red. You can select the calculation style, either a day count, which counts both the start and end dates, or elapsed days, which excludes the start date.

Screenshots

Atomic Clock PRO4 screens
TrumpTime Date Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: TrumpTime Date Calculator at none against Atomic Clock PRO's 2. TrumpTime Date Calculator also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 months). Atomic Clock PRO's advantage is ratings volume (10K vs 799). On price, rating, review sentiment 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. Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month. TrumpTime Date Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Atomic Clock PRO against 4.7 for TrumpTime Date Calculator. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 799, so its average is the more settled of the two. Written reviews are what separate them: 73% of Atomic Clock PRO's written reviews are positive against 71% of TrumpTime Date Calculator's.

UpkeepUpdate frequency

Atomic Clock PRO ships an update every 3 months, TrumpTime Date Calculator every 10 days. Both last shipped on October 17, 2026.

Scorecard6 real differences · 4 level
Atomic Clock PRO versus TrumpTime Date Calculator: the parameters behind the verdict, then further details
ParameterAtomic Clock PROTrumpTime Date Calculator
PriceFreeFree
Rating4.7 (10K ratings)4.7 (799 ratings)
Positive reviews73.0% of reviews — better71.4% of reviews
Number of ratings10K — better799
Update frequencyEvery 3 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.610.0 — better
Further details — not scored
Size6 MB13 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KGJonathan Blau

Customer experience

Atomic Clock PRO

All ratings10,111 ratings
Positive92.3%
Neutral3.5%
Negative4.2%
Written reviews422 reviews
Positive73.0%
Neutral5.9%
Negative21.1%

TrumpTime Date Calculator

All ratings799 ratings
Positive93.6%
Neutral1.5%
Negative4.9%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

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

TrumpTime Date Calculator

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

TrumpTime Date Calculator

No in-app purchases

Questions

Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Is TrumpTime Date Calculator free?
TrumpTime Date Calculator is free to download, with no in-app purchases.
Which has better reviews, Atomic Clock PRO or TrumpTime Date Calculator?
Atomic Clock PRO and TrumpTime Date Calculator are both rated 4.7 out of 5 on the App Store, from 10K and 799 ratings respectively.
Do Atomic Clock PRO or TrumpTime Date Calculator have ads?
Atomic Clock PRO shows ads; TrumpTime Date Calculator does not.
Which is updated more often, Atomic Clock PRO or TrumpTime Date Calculator?
Atomic Clock PRO ships an update every 3 months, and TrumpTime Date Calculator every 10 days. Most recently, Atomic Clock PRO was updated on October 17, 2026 and TrumpTime Date Calculator on October 17, 2026.

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