human-led, ai-powered product research to help you make informed purchase decisions.https://theresearchdad.com/https://theresearchdad.com/posts/suri-2-0/https://theresearchdad.com/posts/suri-2-0/The SURI 2.0 electric toothbrush delivers a 40-day battery, aluminum build, and zero app bloat. At $105-135, is it worth it over a $40 Sonicare?Thu, 02 Apr 2026 00:00:00 GMTMatthttps://theresearchdad.com/posts/ip-ratings-decoded/https://theresearchdad.com/posts/ip-ratings-decoded/IP68 doesn't mean what you think. Apple tests at 6m, Samsung at 1.5m, same rating. Here's what IP ratings really tell you about your family's devices.Thu, 26 Mar 2026 00:00:00 GMTMatthttps://theresearchdad.com/posts/cozi-vs-timetree-vs-google-calendar/https://theresearchdad.com/posts/cozi-vs-timetree-vs-google-calendar/Three family calendar apps compared: Cozi, TimeTree, and Google Calendar. Pricing, features, sync, and which one your family will actually use.Wed, 25 Mar 2026 00:00:00 GMTMatt