What to Expect is the app version of the pregnancy book your mother gave you. Daily updates, week-by-week fetal development, symptom tracking, and a massive community. 4.9 stars, 336K+ reviews. Free. From the brand that's been the default pregnancy resource since 1984. Covers TTC through baby's first year. The editorial content is unmatched in depth and trust.

Your mom read "What to Expect When You're Expecting." Now there's an app. Same trusted brand, same editorial depth, phone-sized.
Daily pregnancy updates tailored to your due date. Week-by-week fetal development with size comparisons. Symptom tracker. Health and nutrition guides. Birth plan builder. Baby name finder. Community forums organized by due date month. Continues after birth with baby development tracking through the first year.
4.9 stars across 336K+ reviews. Free. No premium tier. No paywall. Funded by advertising.
The editorial content is the real asset. This isn't AI-generated filler. What to Expect has been producing medically-reviewed pregnancy content since 1984. The depth and accuracy are unmatched - when you Google a pregnancy question, What to Expect is usually in the top results for a reason.
Community forums are massive and active. Your "August 2026 Babies" birth group becomes a support system that lasts well beyond pregnancy. Real parents, real questions, real-time support.
Compared to The Bump (free, 3D models, registry integration), What to Expect has stronger editorial content and a more established community. The Bump has better registry features and a more modern design. Both are free. Many parents use both.
Compared to Flo ($49.99/yr for premium), What to Expect is purely pregnancy/baby focused while Flo covers the full reproductive lifecycle. Flo has AI health assistant. What to Expect has decades of editorial trust.
Compared to Pregnancy+ (Philips Avent, 3D models), What to Expect wins on content depth. Pregnancy+ wins on 3D visualizations. Different strengths.
The book is optional. The app stands on its own. But if someone gifts you the book, read it too.