Atomic Exact Time: Clock
Network-calibrated time
About
This app precisely calibrates your device's clock against internet time sources, accounting for network delays. It offers a full-screen display with millisecond accuracy, detailed reports on clock deviation, and a precision alarm. Ideal for professionals and enthusiasts requiring exact timing.
What's New in Atomic Exact Time
1.0.1
October 8, 2026
Added a one-time Lifetime Pro option and improved purchase handling. Pro removes ads and unlocks all Pro features.
Subscriptions & In-App Purchases
Atomic Exact Time Pro
Precision sync, alarms, reports and Pro themes.
Developer apps
FAQ
What is Atomic Exact Time?
Atomic Exact Time is a utility app that precisely calibrates your device's clock against multiple internet time sources. It accounts for network latency and outliers to display a highly accurate live clock with millisecond precision.
How accurate is Atomic Exact Time?
The app compares your device's clock to internet time sources, factoring in network latency and outliers. It provides a clear device-offset status and detailed reports on offset, RTT, jitter, confidence, and drift for maximum accuracy.
Does Atomic Exact Time have ads?
The free version of Atomic Exact Time includes banner ads. The Pro version, available as a one-time purchase or subscription, removes all advertisements.
What features are included in Atomic Exact Time Pro?
Atomic Exact Time Pro unlocks automatic calibration, the Precision Alarm, the full accuracy report, timecode functionality, export options, and exclusive widget themes and appearance settings.
How can I purchase Atomic Exact Time Pro?
Pro is offered as a one-time Lifetime purchase or an auto-renewing monthly subscription. A 7-day free trial is available for eligible customers before the subscription begins.
How do I manage or cancel my subscription for Atomic Exact Time Pro?
Subscription payments are charged to your Apple ID. You can manage or cancel your subscription by going to your App Store account settings. Cancellations must be made at least 24 hours before the current period ends.
What devices is Atomic Exact Time compatible with?
Atomic Exact Time is available for Mac, iPhone, and iPad devices, as indicated by its supported devices list.
When was Atomic Exact Time last updated?
The latest version of Atomic Exact Time, 1.0.1, was last updated on October 8, 2026, indicating recent development and maintenance.
