So you are self-conscious about body odor and don’t always trust your sense of smell? As it turns out, there is already an app smart gadget that can help you check for odor. The Konica Minolta Kunkun Body Odor is compatible with iOS and Android devices. Simply put it next to your armpit, neck, or other areas to get started.
The battery life lasts up to 10 hours. The device has a compact design, so you can take it with you everywhere. Not super cheap though.[where to find it]