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Developer's Description

This tiny tool helps you check any NTP server (either via IPv4 or IPv6) and gives you an insight of what NTP clients would receive.

Identify problems before they start to impact your business!

SNTP Tester is able to display all RFC-specific values like:

- Leap Indicator

- Local Clock Offset

- Mode

- Originate Timestamp

- Poll Interval

- Precision

- Receive Timestamp

- Reception Timestamp

- Reference ID

- Root Delay

- Root Dispersion

- Round Trip Delay

- Stratum

- Transmit Timestamp

- Version

Everything wrapped up in a clear and efficient UI. After providing a FQDN (Fully qualified domain name) you are able to pick one of the provided IP-Addresses.

All your results are automatically stored offline so you always have the results when you need them the most.

Full Specifications

What's new in version


Release June 30, 2020
Date Added June 30, 2020

Operating Systems

Operating Systems iOS
Additional Requirements Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.


Total Downloads 1
Downloads Last Week 0
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