Pack has not been updated for iPhone X yet; I'll update it once I get my phone! It should still work fine, but will be optimized for the notch etc with the next update. (I also plan to do some great enhancements.)
Pack icon Pack
A simple & easy packing list
About the Release Notes

Want to know what has changed since a previous version? This page lists those changes. You can alter the range of release notes to display if you wish.

The latest release of Pack is version 1.2.

Display from version to version as

Pack 1.2
(Release 1007): released 2015-05-22; requires iOS 8 or later
Pack 1.1.1
(Release 1006): released 2015-04-13; requires iOS 8 or later
Pack 1.1
(Release 1005): released 2015-04-10; requires iOS 8 or later
Pack 1.0
(Release 1002): released 2014-12-14; requires iOS 8 or later