If you’re looking for a minimalist, DIY home security system, look no further than Notion. Their Starter Kit only includes three sensors, one bridge, and one sliding door or window accessory. The system integrates with Nest, IFTTT, and HomeAdvisor, and you’ll self monitor it through Notion’s iPhone or Android app. Aside from reviewing Notion on its own, we also compare it to similar security systems. Can it stack up to its competition?