The calm, private pregnancy tracker, week by week

See your baby's size as a cute fruit, count down to your due date and always know what to do next. No account, no ads, and everything stays on your iPhone.

Prego Plan tab: week 21, month 6, 137 days until the due date and a pregnancy calendar
Prego Mom tab: common symptoms at week 21, from lower back pain to heartburn
Prego Baby tab: at week 21 the baby is the size of a banana, 25 cm and 300 g, with 8 kicks counted today

How far along are you?

Enter the first day of your last period to see your due date and this week's baby size.

A look inside Prego

Prego Plan tab: week 21, month 6, 137 days until the due date and a pregnancy calendar
Prego Baby tab: at week 21 the baby is the size of a banana, 25 cm and 300 g, with 8 kicks counted today
Prego second trimester to-do list: 3 of 7 done, with the anatomy ultrasound and glucose test booked
Prego guided pregnancy exercises: gentle walk and Kegels done, hip circles in progress
Prego food log: 1,360 of 2,200 kcal today, with the week 21 nutrition guide
Prego Mom tab: common symptoms at week 21, from lower back pain to heartburn
Prego contraction timer and a week 21 journal entry, with a Dr. Whiskers tip about the baby's movements
Prego weight tracker: a weight gain chart and logs from week 5 to week 21

What mamas say about Prego

★★★★★

Cutest pregnancy tracker

“I was tired of boring medical looking apps with random products stuffed in and was looking for a nice simple one”

maddyjohn · App Store review
★★★★★

Life saver for pregnant women

“This is the best pregnancy app I’ve come across, it caters to everything I needed, complete life saver”

Emily A Smith · App Store review
★★★★★

“Prego has been my pregnancy bible. The weekly updates feel personal and the tracking tools keep me calm and informed every single day.”

Sarah M. · Week 24
★★★★★

“I love how it explains my baby’s development in a way that actually makes sense. The fruit comparisons are adorable!”

Emily R. · Week 16
★★★★★

“As a first-time mom, this app has answered so many of my questions. I feel so much more confident going into my appointments.”

Jessica T. · Week 32
★★★★★

“Just started my journey and already obsessed. The onboarding was so thoughtful and it really feels made for me.”

Anika P. · Week 8

Your pregnancy is your business

Many pregnancy apps make money from your data. Prego doesn't. There is no account to create, nothing is uploaded, and there are no ads.

Your privacy questions, answered →
  • Stays on your deviceEverything is stored only on your iPhone.
  • Never shared or soldNo data brokers, no third-party analytics.
  • No ads, everYour focus stays on you and your baby.
  • Delete any timeReset all your data in Settings with one tap.

Questions, answered

Is my pregnancy data private?

Yes. Everything you enter in Prego is stored only on your iPhone. Prego has no accounts and no ads, and it never sells or shares your data. You can delete everything at any time in Settings.

Is Prego available on Android?

Prego is currently available for iPhone (iOS 17 or later) on the App Store.

How does Prego calculate my due date?

Prego adds 280 days (40 weeks) to the first day of your last menstrual period, or 266 days to your conception date. You can change the date later if an ultrasound gives you a different due date.

Which languages does Prego support?

Prego is available in English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Arabic, Japanese, Korean and Traditional Chinese.

Does Prego replace my doctor or midwife?

No. Prego gives general information to help you understand your pregnancy and stay organized. Always follow the advice of your healthcare provider.

Feel ready for every week ahead

Your baby's size, your checklist and your trackers in one calm app. Private on your iPhone, with no account and no ads.

Download on the App Store