Fourth Trimester
Postpartum Support & Tracker
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
The all-in-one postpartum app for recovery, baby tracking, daily guidance, and personalized support through the fourth trimester.
Fourth Trimester
Pregnancy and postpartum don’t come with a manual. Fourth Trimester was built to be the support every parent deserves.
Whether you’re preparing for birth, navigating the newborn stage, or recovering after delivery, Fourth Trimester brings expert-backed education, personalized guidance, tracking, and AI-powered support together in one place.
Pregnancy & Postpartum Guidance
Follow week-by-week guidance tailored to where you are, with practical information that grows alongside you and your baby.
Baby & Mom Tracking
Keep track of feedings, diapers, sleep, pumping, growth, postpartum recovery, mood, symptoms, medications, and more. View meaningful trends and insights over time.
Personalized Daily Insights
Receive helpful daily guidance based on your baby’s age, your postpartum stage, and your recent tracking to help you feel more confident every day.
Mama Coach AI
Get instant answers to everyday pregnancy, newborn, feeding, sleep, recovery, and parenting questions whenever you need extra support.
Learn with Confidence
Explore an expanding library of expert-backed articles covering:
- Pregnancy
- Postpartum recovery
- Newborn care
- Feeding
- Sleep
- Development
- Mental health
- Milestones
- Parenting
Stay Organized
Keep everything in one place with daily checklists, reminders, milestones, routines, and personalized recommendations.
Designed for Real Life
Beautifully designed, simple to use, and created to support you through every stage of pregnancy and postpartum.
Whether you’re tracking your newborn at 2 a.m., looking up feeding questions, or needing reassurance during a hard moment, Fourth Trimester helps you feel more informed, supported, and less alone.
Because you should not have to do postpartum alone.
Disclaimer:
Fourth Trimester is designed for educational and wellness support only and does not provide medical advice, diagnosis, or treatment.
Privacy Policy: https://mamasupport4thtrimester.com/privacy-policy
Terms of Use: https://mamasupport4thtrimester.com/terms-of-
Ratings & Reviews
Bug fixes and small improvements.
The developer, Peyton Kettler, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Peyton Kettler
- Size
- 61.2 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
Messaging and Chat
User-Generated Content
Health or Wellness Topics
- In-App Purchases
Yes
- Fourth Trimester Pass $24.99
- Fourth Trimester Premium $79.99
- Fourth Trimester Premium $9.99
- Copyright
- © 2026 Fourth Trimester