Yes, NOMAD can work in both hemispheres; it has N and S modes for choice. The difference on kits' names is caused by the alignment tool; although NOMAD can track in both hemispheres, you will need to do polar alignment before turning it on to work.
* The phone mount can work in both hemispheres, so [phone moount kit](https://www.moveshootmove.com/collections/move-shoot-move-rotator/products/msm-rotator-for-star-tracking-time-lapse-panorama-photography?variant=42128160030937) is written as a double hemisphere kit.
* Laser is not suitable for the Southern hemisphere as the guide star Sigma Octantis is too dim.
* Although polar scope can work in Sthe outhern hemisphere but it is the same, the guide constellation Octans is too dim, few users can use it successfully, so it is not written dual hemispheres kit.
If you are in the Northern hemisphere and already have a ballhead, you can go for starter kit :https://www.moveshootmove.com/collections/move-shoot-move-rotator/products/msm-rotator-for-star-tracking-time-lapse-panorama-photography?variant=31440247357517
If you are in the Southern hemisphere and already have a ballhead, you can go for phone mount kit: https://www.moveshootmove.com/collections/move-shoot-move-rotator/products/msm-rotator-for-star-tracking-time-lapse-panorama-photography?variant=42128160030937