Fourth Trimester
Peyton Kettler Health & Fitness iPhoneiPadiPod touch
Fourth Trimester is a free Health & Fitness app for iPhone and iPad by Peyton Kettler. Rated 5.0/5 from 2 ratings. Requires iOS 15.1. Updated July 14, 2026.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 58 MB
- Age 12+
- Updated
- Jul 14
- 2026 · v1.0.29
Screenshots
About 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-
What’s new
Version 1.0.29 · Updated July 14, 2026
Bug fixes and small improvements.
App privacy
The developer, Peyton Kettler, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Health & Fitness: Health
- Contact Info: Email Address, Name
- User Content: Emails or Text Messages, Other User Content
- Identifiers: User ID
- Purchases: Purchase History
Used for: Analytics, Product Personalization, App Functionality
Alternatives to Fourth Trimester
Looking for apps like Fourth Trimester? Here are 6 similar apps on the App Store. The highest rated is Preggers | Pregnancy tracker (4.9/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Fourth Trimester | 5.0 / 5 (2 ratings) | Free | July 14, 2026 | |
| Riley: Child Development Coach | 4.5 / 5 (762) | Free | Oct 7, 2026 | Compare |
| Eve: Motherhood Wellness | 4.6 / 5 (1,807) | Free | Jul 11, 2026 | Compare |
| Moms on Call: Baby & Toddler | 4.8 / 5 (329) | Free | Oct 13, 2026 | Compare |
| Every Mother | 4.6 / 5 (1,269) | Free | Oct 13, 2026 | Compare |
| Preggers | Pregnancy tracker | 4.9 / 5 (2,050) | Free | Oct 7, 2026 | Compare |
| The Bump: Pregnancy & Baby App | 4.8 / 5 (40,175) | Free | Oct 21, 2026 | Compare |
Compare Fourth Trimester with the top alternatives: ratings, updates, ASO score and keyword gaps →