# OB Wheel Pregnancy Calculator — Pregnancy calculator and diary

> Pregnancy calculator and diary for due date, gestational age, and milestones. (iPhone/iPad app by Eudald Pons Boronat.)

- Source: https://appshunter.io/ios/app/ob-wheel-pregnancy-calculator/id6746731218 (this page in markdown: same URL + `.md`)
- Developer: [Eudald Pons Boronat](https://appshunter.io/developer/1810275727)
- Category: Health & Fitness, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 4 App Store ratings
- Age rating: 17+
- Requires: iOS 13.0 · 83 MB
- Languages: American English
- Released: 2025-06-11
- Data updated: 2026-08-13
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ob-wheel-pregnancy-calculator/id6746731218/reviews.md

## What is OB Wheel Pregnancy Calculator?

Track your pregnancy with confidence using OB Wheel – the modern tool for calculating your pregnancy due date, gestational age, and more.

Whether you’re an expectant parent or a healthcare professional, OB Wheel for pregnancy helps you estimate key milestones instantly. Enter your LMP or due date, and the app gives you everything: weeks, trimesters, and a full pregnancy countdown.

Save multiple entries, review your history, and prepare for baby with built-in reminders. Clean, fast, and always available offline — no sign-in needed.

Features:

OB calculations from LMP or EDD

Visual progress wheel with trimester insights

Custom cycle length support

History of past pregnancy calculations

Manual reminders for appointments and tests

Simple, modern interface made for iPhone

Designed for those who want a reliable and easy-to-use OB pregnancy tracker. Download now and take control of your pregnancy due date journey.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Due date calculation from LMP or EDD
- Gestational age and trimester tracking
- Visual progress wheel
- Custom cycle length support
- Pregnancy history log
- Manual appointment reminders
- Offline functionality

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly subscription | $29.99 | per year |
| Monthly subscription | $9.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime | $34.99 | one-time |



## Frequently asked questions about OB Wheel Pregnancy Calculator

### How does OB Wheel calculate my due date?

OB Wheel calculates your due date based on your Last Menstrual Period (LMP) or Estimated Due Date (EDD). It also supports custom cycle lengths for more personalized calculations.

### Can I track multiple pregnancies with OB Wheel?

Yes, OB Wheel allows you to save multiple entries and review the history of past pregnancy calculations, making it suitable for tracking multiple pregnancies.

### Does OB Wheel require an internet connection?

No, OB Wheel is designed to be always available offline. You do not need an internet connection or to sign in to use its core features.

### What kind of reminders can I set in OB Wheel?

You can set manual reminders for important appointments and tests related to your pregnancy, helping you stay organized throughout your journey.

### What is the age rating for OB Wheel?

OB Wheel has an age rating of 17+, which is common for health and medical applications that may contain detailed information.

### How often is OB Wheel updated?

The app was last updated on November 5, 2025, with version 2.0.0. This indicates a recent update, suggesting ongoing development and support.

### What devices does OB Wheel support?

OB Wheel is currently supported on iPhone and iPod devices, offering a streamlined experience optimized for these platforms.

### Does OB Wheel have ads?

No, OB Wheel does not contain advertisements. It is a completely ad-free application for a focused user experience.

## Version history (last 5 releases)

### 3.0.0 — 2026-08-04

New feature to see the baby grow

### 2.0.0 — 2025-11-05

New timer for contractions

### 1.5.1 — 2025-08-28

Fix keyboard bug

### 1.5.0 — 2025-08-06

fix bugs

### 1.0 — 2025-06-11

No release notes.

## Apps similar to OB Wheel Pregnancy Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Avelisse Pregnancy Tracker](https://appshunter.io/ios/app/avelisse-pregnancy-tracker/id6717608385) | — | Free | Health & Fitness |
| [Period Tracker - Calendar](https://appshunter.io/ios/app/period-tracker-calendar/id6547871794) | — | Free | Health & Fitness |
| [Eve Period & Pregnancy Tracker](https://appshunter.io/ios/app/eve-period-and-pregnancy-tracker/id6566184845) | — | Free | Health & Fitness |
| [Ovulation + Period Tracker](https://appshunter.io/ios/app/ovulation-plus-period-tracker/id6466693696) | — | Free | Health & Fitness |

## More apps by Eudald Pons Boronat

- [Ai Solver - Scan Question](https://appshunter.io/ios/app/ai-solver-scan-question/id6478738272)
- [ASMR Stories](https://appshunter.io/ios/app/asmr-stories/id6744977677)
- [Photo Science Helper](https://appshunter.io/ios/app/photo-science-helper/id6747142974)
- [Medication tracker + reminder](https://appshunter.io/ios/app/medication-tracker-plus-reminder/id6748408911)
- [The Supplement Tracker](https://appshunter.io/ios/app/the-supplement-tracker/id6749189612)

All apps by Eudald Pons Boronat: https://appshunter.io/developer/1810275727

## Related topics

[eudald pons boronat](https://appshunter.io/ios/topics/eudald-pons-boronat) · [ob wheel pregnancy calculator](https://appshunter.io/ios/topics/ob-wheel-pregnancy-calculator) · [ob wheel](https://appshunter.io/ios/topics/ob-wheel) · [ob wheels](https://appshunter.io/ios/topics/ob-wheels) · [perfect ob wheel](https://appshunter.io/ios/topics/perfect-ob-wheel)

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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 2026-08-13.*