OB Calc (cloud)
Glen Botha Medical iPhoneiPadiPod touchMac
OB Calc (cloud) is a free Medical app for iPhone and iPad by Glen Botha. Rated 5.0/5 from 5 ratings. Requires iOS 18.0. Updated July 21, 2026.
- Rating
- 5.0
- 5 ratings
- Price
- Free
- on the App Store
- Size
- 14 MB
- Age 4+
- Updated
- Jul 21
- 2026 · v2.10.1
Screenshots
About OB Calc (cloud)
While similar to a pregnancy wheel, OB Calc (cloud) is specifically designed by an obstetrician, for obstetricians. Finally obstetricians have an efficient and simple method to calculate the important test date windows for patients. CALCULATION METHODS • Last Menstrual Period (LMP) • Expected Delivery Date (EDC) • Sonogram Date and Fetal Age (Sonogram) • Crown Rump Length (CRL) • In Vitro Fertilization (IVF) Try the app for free for 7 days. A low monthly autorenewable subscription gives users access to premium features such as all calculation methods and saving of individual patient data. You can reach the developer directly at [email protected] FEATURES • LMP, EDC, Ultrasound, CRL and IVF Method Calculations • Customize up to 15 tests, with date ranges • Data synced across multiple devices • Generate a PDF file • Save individual patient data CRL data reference : https://obgyn.onlinelibrary.wiley.com/doi/pdf/10.1002/uog.7654 Terms & Conditions: https://inpocketsolutions.com/terms ** Disclaimer Remember to test out the app on your specific device to ensure calculations are verified to your expectation.
Ratings & reviews
5.0
5 ratings
What’s new
Version 2.10.1 · Updated July 21, 2026
Support for the latest Liquid Glass features
App privacy
The developer, Glen Botha, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Contact Info: Email Address
- Identifiers: User ID
Used for: Analytics, App Functionality
Alternatives to OB Calc (cloud)
Looking for apps like OB Calc (cloud)? Here are 6 similar apps on the App Store. The highest rated is Obstetrics Calculator (5.0/5), and all 6 are free to download.
-
OB Tracker & Pregnancy Wheel
4.7
-
Obstetrics Calculator
5.0
-
OB Wheel for Pregnancy
4.7
-
Gestational Age (by Medfolio)
3.5
-
OB Wheel
4.3
-
OB Wheel Pregnancy Tracker
4.6
| App | Rating | Price | Last updated |
|---|---|---|---|
| OB Calc (cloud) | 5.0 / 5 (5 ratings) | Free | July 21, 2026 |
| OB Tracker & Pregnancy Wheel | 4.7 / 5 (49) | Free | Sep 10, 2026 |
| Obstetrics Calculator | 5.0 / 5 (1) | Free | Jan 25, 2025 |
| OB Wheel for Pregnancy | 4.7 / 5 (39) | Free | Jan 21, 2024 |
| Gestational Age (by Medfolio) | 3.5 / 5 (2) | Free | Jan 19, 2025 |
| OB Wheel | 4.3 / 5 (10) | Free | Jun 19, 2025 |
| OB Wheel Pregnancy Tracker | 4.6 / 5 (26) | Free | Aug 28, 2024 |