# OB Wheel+ — Pregnancy calculator for HCPs

> Pregnancy calculator for healthcare professionals and expectant parents. (iPhone/iPad app by Andrew Yu.)

- Source: https://appshunter.io/ios/app/ob-wheel-plus/id6757197344 (this page in markdown: same URL + `.md`)
- Developer: [Andrew Yu](https://appshunter.io/developer/328693314)
- Category: Medical
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 17.6 · 11 MB
- Languages: American English
- Released: 2026-01-08
- Data updated: 2026-06-01
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/ob-wheel-plus/id6757197344/reviews.md

## What is OB Wheel+?

Designed by Andrew Yu, MD, A double board certified OB/GYN and Clinical Informatics.

OB Wheel+ is a streamlined and reliable tool for calculating essential pregnancy dates. Whether you are a clinician in a fast-paced environment or an expectant parent tracking milestones, this app provides the accuracy you need with an intuitive, modern interface.

Key Features: 
• Multiple Calculation Modes: Calculate based on Last Menstrual Period (LMP), Known Due Date (EDD), IVF Transfer Date (Day 3 or Day 5), or Gestational Age (GA) from a specific scan date. 
• Projected GA: Easily determine what the gestational age will be on any future date. 
• Clinical Milestones: Automatically generates a comprehensive timeline for essential screenings, including NIPT, Anatomy Scan, Glucose testing, and vaccinations including RSV during the appropriate season. 
• Trimester Filtering: Focus on the milestones that matter right now with easy T1, T2, and T3 filters. 
• Fetal Size Comparisons: Track baby’s growth with relatable size comparisons.

Medical Disclaimer: This app is intended for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read in this application.

## Key features

- Multiple calculation modes (LMP, EDD, IVF, GA)
- Projected gestational age calculation
- Clinical milestone timeline
- Trimester filtering
- Fetal size comparisons


## Frequently asked questions about OB Wheel+

### What is OB Wheel+ used for?

OB Wheel+ is a medical app designed to calculate essential pregnancy dates and track key milestones. It offers multiple calculation modes for accuracy and provides a timeline of important screenings and trimesters.

### Who developed OB Wheel+?

OB Wheel+ was developed by Andrew Yu, MD, who is a double board-certified OB/GYN and Clinical Informatics specialist.

### What calculation methods does OB Wheel+ support?

OB Wheel+ supports calculation based on Last Menstrual Period (LMP), Known Due Date (EDD), IVF Transfer Date (Day 3 or Day 5), or Gestational Age (GA) from a specific scan date.

### Can OB Wheel+ predict future gestational age?

Yes, OB Wheel+ allows users to easily determine what the gestational age will be on any future date, aiding in planning and tracking.

### Does OB Wheel+ provide information on fetal development?

Yes, OB Wheel+ includes fetal size comparisons to help track baby's growth in a relatable way.

### What age rating does OB Wheel+ have?

OB Wheel+ has an age rating of 17+, indicating it is intended for mature audiences.

### Does OB Wheel+ have ads?

Yes, OB Wheel+ contains advertisements.

### On which devices is OB Wheel+ available?

OB Wheel+ is currently supported on iPhone devices.

## Version history (last 1 release)

### 1.0 — 2026-01-09

No release notes.

## Apps similar to OB Wheel+

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [OB Tracker & Pregnancy Wheel](https://appshunter.io/ios/app/ob-tracker-and-pregnancy-wheel/id1454135001) | 4.9 (45) | Free | Medical |
| [OB Pregnancy Wheel Made Easy](https://appshunter.io/ios/app/ob-pregnancy-wheel-made-easy/id6757496014) | 5.0 (1) | Free | Medical |
| [OB Wheel](https://appshunter.io/ios/app/ob-wheel/id6473123188) | 4.3 (7) | Free | Medical |
| [OB Wheel for Pregnancy](https://appshunter.io/ios/app/ob-wheel-for-pregnancy/id6451180396) | 4.7 (27) | Free | Medical |
| [Calculate by QxMD](https://appshunter.io/ios/app/calculate-by-qxmd/id361811483) | 4.8 (5,069) | Free | Medical |
| [ACOG](https://appshunter.io/ios/app/acog/id616323665) | 4.9 (6,292) | Free | Medical |

## More apps by Andrew Yu

- [Preg Wheel](https://appshunter.io/ios/app/preg-wheel/id445303968)
- [OB App Suite](https://appshunter.io/ios/app/ob-app-suite/id933612629)

All apps by Andrew Yu: https://appshunter.io/developer/328693314

## Related topics

[ob wheel pregnancy tracker](https://appshunter.io/ios/topics/ob-wheel-pregnancy-tracker) · [ob wheel](https://appshunter.io/ios/topics/ob-wheel) · [ob wheel for pregnancy](https://appshunter.io/ios/topics/ob-wheel-for-pregnancy)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*