Comparison

Atomic Clock PRO vs Inflation Calculator USA

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

Inflation Calculator USA

Understand the impact of inflation on your money. This app uses official U.S. Bureau of Labor Statistics data to provide accurate inflation calculations for any dollar amount between 1913 and 2026.

Highlights
  • Accurate inflation calculations
  • Uses official U.S. data
  • Covers years 1913-2026
  • Calculates for any dollar amount
  • Updated with new data
Features
Read full description

Calculate the true value of money over time with Inflation Calculator USA – your go-to app for understanding the impact of inflation. Using official data from the U.S. Bureau of Labor Statistics, our app provides accurate inflation calculations for any dollar amount for years between 1913 and 2026. (Results for 2026 may be different in future releases of the app as new inflation data is added)

Screenshots

Atomic Clock PRO4 screens
Inflation Calculator USA1 screens

Verdict

The call

The clearest difference is ratings volume: Atomic Clock PRO at 10K against Inflation Calculator USA's 27. Inflation Calculator USA's advantage is rating (4.9 vs 4.7) and update cadence (every 6 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 Inflation Calculator USA sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Inflation Calculator USA holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 27, so its average is the more settled of the two.

UpkeepUpdate frequency

Atomic Clock PRO ships an update every 3 months, Inflation Calculator USA every 6 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Atomic Clock PRO versus Inflation Calculator USA: the parameters behind the verdict, then further details
ParameterAtomic Clock PROInflation Calculator USA
PriceFreeFree
Rating4.7 (10K ratings)4.9 (27 ratings) — better
Positive reviews73.0% of reviews—
Number of ratings10K — better27
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size6 MB35 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KGArlyn Technology LLC

Customer experience

Atomic Clock PRO

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

Inflation Calculator USA

All ratings24 ratings
Positive100.0%
Neutral0.0%
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

Inflation Calculator USA

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

Inflation Calculator USA

One-time1
  • Remove Ads$1.99

Questions

Is Atomic Clock PRO free?
Atomic Clock PRO is free to download, with in-app purchases available.
Is Inflation Calculator USA free?
Inflation Calculator USA is free to download, with in-app purchases available.
Which has better reviews, Atomic Clock PRO or Inflation Calculator USA?
Inflation Calculator USA is rated higher. Atomic Clock PRO averages 4.7 out of 5 from 10K ratings, while Inflation Calculator USA averages 4.9 from 27 ratings.
Do Atomic Clock PRO or Inflation Calculator USA have ads?
Both Atomic Clock PRO and Inflation Calculator USA show ads.
Which is updated more often, Atomic Clock PRO or Inflation Calculator USA?
Atomic Clock PRO ships an update every 3 months, and Inflation Calculator USA every 6 weeks. Most recently, Atomic Clock PRO was updated on October 27, 2026 and Inflation Calculator USA on October 24, 2026.

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