• Intro
  • System requirements
  • Main view
  • Detail view
  • Menu
  • Help
  • Filter view
  • Settings
  • Quit
  • License
  • Terms of use
  • Credits
  • Links


NuclOid 1.1 is an Android viewer app for nuclear data provided by the National Nuclear Data Center (NNDC).

It supports scrolling, pinch zooming and detail viewing.

System requirements

NuclOid 1.1 runs on Android devices 2.3.3 and higher.

It does not need any permission.

NuclOid 1.1 is ad-free.

Main view

The main view provides the nuclear chart. Navigation is possible by scrolling and zooming.

Detail view

The detail view is enabled by touching a particular nuclid.

It provides data about:

  • energy
  • decay modes
  • half time
  • Branching
  • Abundance
  • stable nuclid


Click on the upper left menu button to display the menu:

  • Help
  • Filter
  • Settings


Manual and terms of use.

Filter view

Filter view enables filtering of desired nuclear by
  • A
  • N
  • Z


Scroll to filtered data if not displayed in the active screen view.


Select the active language. Needs restart.


Click on Back to exit active view.


Nucloid is free for any educational and non commercial use.

Contact us for term of commercial use.

Terms of use

NucOid is a non commercial project by Peter Richter.

Every function and data of this app is subject to change without notice.

Furthermore no guarantee or warranty can be provided, especially not for:

  • performance
  • complete data
  • correct data
  • half time
  • Branching
  • Probability
  • Abundance
  • stable nuclid
  • any other information displayed by NuclOid

Your use of NuclOid is completely at your own risc, for which we shall not be liable. It shall be your own responsibility to ensure that any services or information available through this app meet your specific requirements.

If you use NuclOid you acknowledge that information displayed in NuclOid may contain inaccuracies or errors and you agree to these terms of use.


National Nuclear Data Center NNDC


This page contains links to other webpages. These links are only provided for your convenience to provide further information. We are not responsible for the content on these linked webpages.