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Atomic Clock

Atomic Clock
  • #: 213151
  • Price: $19.99 In Apple Store
  • Category: Utilities
  • Updated: 2016-11-30
  • Current Version: 4.7
  • 4.7
  • Size: 2.20 MB
  • Language: English
  • Seller: Awyse
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © 2010 awyse
  •  Add to Favorite apps



*Ultra Precise, Ultra Accurate, Millisecond Atomic Clock Synced*

Includes FREE Apple Watch app to display accurate Second and Centisecond.

Your goal is to remain the most accurate mobile clock on mobile.

The Atomic Clock App displays Milliseconds, and accuracy of your device in millisecond.

V 4.7

down to 38 Millisecond accuracy,

PPS(Pulse Per Second) under a Millisecond 0.050 ms

Detailed features:

- Accuracy down to 1 Millisecond (Without subscription 5 centiseconds)

- Syncing to a network of time reference servers up to 16 in USA for better accuracy(Without subscription 1 server)

- Auto syncing continuously

- Display the device clock(With subscription)

- Show the time difference between the device and the official time(With subscription)

- Reference time for Asia/Europe/USA

- Jump between 2 time zone (Time Zone or local)

- Audio signal per second ON/OFF (PPS)

- 4 different alarm sounds

- Multi push alarms on multi time zones

- Multi time zones alarms

- Up to date Time zone table :

• official time zones

• military time

• aeronautical time

• astronomical time

from V 4.3:

Accuracy of the time is displayed in Milliseconds

A Pulse per Second timer is included

Multiple sources of reference time can be choose

Version 4.2 achieve to be precise at 2 millisecond in every set of 10 sec, (Pulse Per Second, PPS)

What's New in Version 4.7

-Updates for overall speed improvement (Swift 3)

iPhone Screenshots

Atomic Clock iPhone Screenshot 1
Atomic Clock iPhone Screenshot 2

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Rated 3/5 based on 3 customer reviews.


4/5 stars

What's going on with the Price?????

I bought this App less than a week ago for $4.99. I just saw it the App Store for $1.99 WHAT"S UP. Plus it just shuts down whenever
it wants,,,,

2/5 stars

Does Not Appear to Work As Advertised:

The program is not intuitive, the alarm went off 2 hours later than it was set for and only after another app was shut off. My understanding was this app was suppose to push through another app.

The atomic clock is cool and a good tool for reference when setting the rest of the clocks/watches you have though.

5/5 stars

Great time

Wonderful app


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The information may be outdated (2017-03-08 18:30:34). For actual information go to iTunes

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