I came to CES to find drama, so I pitted two connected scented pod gadgets — Moodo and Compoz — against each other. Scented pods, if you haven’t heard of them, are more like pods that make custom scents. Think of them as a cross between a Keurig coffee maker and a Glade plugin — only more expensive and connected to the internet.
Agan Aroma debuted its Moodo device last year, which lets users insert pods and then digitally mix the scents through an app. It promises to turn users into “scent DJs.” This year, a French company called Artiris Parfum showed off its similar idea, called Compoz, a device that requires pods filled with liquid essential oils. Like Moodo’s product, it connects to users’ phones over Wi-Fi so they can customize their...