Obstetric Calculator Plus vs OB Wheel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Obstetric Calculator Plus
This medical app assists healthcare professionals in calculating gestational age, fetal age, and estimated due dates for pregnant patients. It also includes BMI calculation to support patient care.
- Gestational age calculation
- Fetal age calculation
- Estimated date of delivery
- BMI calculation
- Supports LMP and ultrasound dates
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This application is designed to facilitate the calculation of gestational age for obstetricians, general practitioners, midwives, health workers and others who are involved with pregnant mothers. The calculation of fetal age is based on the date of the last menstrual period and ultrasound, and the estimation of the probable date of delivery is also included. BMI calculation is also provided to aid the care.
OB Wheel
This app assists expectant mothers and healthcare professionals in tracking pregnancy with accurate due date calculations and weekly fetal development updates. It offers customizable features, health tips, and tools for clinicians to support patient care throughout the journey to delivery.
- Accurate due date calculation
- Weekly fetal development tracker
- Customizable reminders and tracking
- Health tips and resources
- Tools for healthcare professionals
- Symptom and feeling logging
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Promotional Text for OB Wheel App "Introducing the OB Wheel App – Your Personalized Pregnancy Journey Companion! Navigating through pregnancy just got easier and more reliable with the OB Wheel App, specially designed for expectant mothers and healthcare professionals. Say goodbye to guesswork and hello to precision with our user-friendly app that offers accurate, at-a-glance pregnancy tracking. Key Features: Accurate Due Date Calculation: Simply enter your last menstrual period, and let our app do the rest. Get precise due dates and important milestones at your fingertips. Fetal Development Tracker: Watch your baby's growth week-by-week. Learn about developmental stages, size comparisons, and exciting changes as your pregnancy progresses. Customizable Experience: Every pregnancy is unique. Customize the app to suit your journey – set reminders, track appointments, and record your feelings and symptoms. Health Tips & Resources: Stay informed with valuable insights, nutritional advice, and tips for maintaining a healthy pregnancy from conception to delivery. Professional Tools for Clinicians: A handy resource for obstetricians and midwives, offering gestational age calculations, weight and length estimations, and more to support patient care. Why Choose OB Wheel App? Simplicity and Ease of Use: Designed with you in mind, our app is intuitive and straightforward, making pregnancy tracking stress-free. Trusted and Reliable: Developed in collaboration with healthcare professionals, ensuring accuracy and up-to-date information. Stay Connected: Share milestones with loved ones and keep your healthcare team in the loop with easy sharing options. Embrace the beauty of pregnancy and enjoy peace of mind with the OB Wheel App. Whether you're a first-time mom or a seasoned pro, our app will be by your side every step of the way. Download now and start your extraordinary journey to motherhood with confidence and joy! Privacy policy: https://odindevstudio.wordpress.com/privacy-policy Terms of use and Terms of Subscription https://odindevstudio.wordpress.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Obstetric Calculator Plus at none against OB Wheel's 2. Obstetric Calculator Plus also leads on rating (4.7 vs 4.3) and iOS requirement (11.0 vs 14.0). OB Wheel's advantage is update cadence (every 4 days vs every 19 months). On price, ratings volume, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. OB Wheel sells 2 one-off in-app purchases. Obstetric Calculator Plus asks for nothing beyond the download.
Obstetric Calculator Plus holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 7 and 10 respectively.
Obstetric Calculator Plus ships an update every 19 months, OB Wheel every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Obstetric Calculator Plus | OB Wheel |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7 ratings) — better | 4.3 (10 ratings) |
| Number of ratings | 7 | 10 — better |
| Update frequency | Every 19 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 34 MB | 28 MB |
| Age rating | 4+ | 17+ |
| Developer | Mehdi Taghavi | Berkay Gurcesme |
Customer experience
Obstetric Calculator Plus
OB Wheel
In-app purchases
Obstetric Calculator Plus
No in-app purchases
OB Wheel
- Ob Wheel lifetime ad-free$3.99
- Unlimited Ad-free Ob wheel$9.99
Questions
Is Obstetric Calculator Plus free?
Is OB Wheel free?
Which has better reviews, Obstetric Calculator Plus or OB Wheel?
Do Obstetric Calculator Plus or OB Wheel have ads?
Which is updated more often, Obstetric Calculator Plus or OB Wheel?
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