Gestational Wheel: EDD & GA
Midwife & OBGYN Dating Tool
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Forecast your due date and key pregnancy milestones from your last period, an ultrasound, conception, or a known due date.
Know your estimated due date in seconds. Enter your last period, an ultrasound date, or a conception date and see your due date, gestational age, and trimester at a glance.
WHAT YOU CAN DO
• Estimate your due date from the first day of your last menstrual period (LMP)
• Adjust the estimate using a dated ultrasound for a closer result
• Already know your conception or IVF transfer date? Get your due date instantly
• See current gestational age in weeks and days, plus your trimester
• Follow week-by-week milestones as your pregnancy progresses
• Work back from a known due date to other key dates
HOW IT WORKS
1. Pick a starting point: last period, ultrasound, or conception
2. Enter the date
3. Read your estimated due date, gestational age, and trimester
Full access is available through a subscription — choose weekly, yearly, or a one-time lifetime unlock.
Plan ahead with confidence and enjoy every week of your journey.
OB Wheel gives educational estimates only. It is not a medical device and does not provide a diagnosis. Always confirm dates and decisions with your doctor or midwife.
Terms of Use: https://web-levi.web.app/terms
Privacy Policy: https://web-levi.web.app/privacy-policy
Support: tphuc.work@gmail.com
Ratings & Reviews
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Welcome to OB Wheel 1.0! Forecast your due date and milestones from your last period, an ultrasound, conception date, or a known due date — fast, clear pregnancy calculators.
The developer, Phuc Pham, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Phuc Pham
- Size
- 5.9 MB
- Category
- Medical
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Pro $39.99
- Weekly $3.99
- Yearly $19.99
- Copyright
- © 2026 Levi