Prime Time NTP

Prime Time NTP

Atomic Clock Precision for iOS

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Free
In-App Purchases

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Details

  • Released
  • Updated
  • February 24, 2026
  • March 22, 2026

Features

Prime Time NTP screenshot #1 for iPhone
Prime Time NTP screenshot #2 for iPhone
Prime Time NTP screenshot #3 for iPhone
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About

"PrimeTime" is a high-precision time app that lets you check the extremely accurate time down to the millisecond. By sending queries directly to multiple NTP servers, it reveals the "true current time" that standard clock apps cannot display. It accounts for network latency to provide precisely synchronized time in real-time. [Features] • Real-time NTP sync with up to 5 servers (free) • Millisecond-precision display at 120fps • Network offset and RTT (round-trip time) monitoring • Sparkline graphs for offset and RTT history • Stratum and reference ID display per server [Pro Features — one-time purchase] • Manual sync on demand • Always-on display while app is open • Monitor up to 30 NTP servers simultaneously Perfect for developers, network engineers, or anyone curious about the true accuracy of their device's clock.
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What's New in Prime Time NTP

1.1

March 22, 2026

• Added Pro features (one-time purchase): manual sync, always-on display, up to 30 NTP servers • UI improvements

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In-App Purchases

$9.99

Premium Features

Manual sync, screen awake, up to 30 servers.