Looking for Experiences With Online Pregnancy Tracking Tools

My wife recently started using a pregnancy schedule calculator, and honestly, the website’s design and accuracy surprised me. It loads fast, gives clear weekly breakdowns, and feels much smoother than many cluttered pregnancy sites we’ve come across.

Since this is such an important journey, having a clean and reliable tool really helps reduce confusion. I'm curious — what tools or websites have you used for tracking pregnancy timelines? Did you find them accurate and easy to navigate?

Would love to hear your experiences and suggestions.