# OB App Suite vs OB Wheel

The clearest difference is in-app purchases: OB App Suite at none against OB Wheel's 2. OB App Suite also leads on iOS requirement (10.0 vs 14.0). OB Wheel's advantage is rating (4.3 vs 3.8) and update cadence (every 4 days vs every 11 days). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. OB Wheel sells 2 one-off in-app purchases. OB App Suite asks for nothing beyond the download.

OB Wheel holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 13 and 10 respectively.

OB App Suite ships an update every 11 days, OB Wheel every 4 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | OB App Suite | OB Wheel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (13 ratings)](https://appshunter.io/ios/app/ob-app-suite/id933612629/reviews) | **[4.3 (10 ratings)](https://appshunter.io/ios/app/ob-wheel/id6473123188/reviews)** |
| Number of ratings | **13** | 10 |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | Free | Free |
| Size | 23 MB | 28 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Andrew Yu](https://appshunter.io/developer/328693314) | [Berkay Gurcesme](https://appshunter.io/developer/1618081315) |

## What reviewers say

### OB App Suite

[App page](https://appshunter.io/ios/app/ob-app-suite/id933612629)

This app provides a suite of OB/GYN specific medical calculators for quick and easy use. It includes tools for calculating due dates, predicting VBAC success, and assessing pre-eclampsia criteria, along with information on interpreting results.

**Highlights:** OB Wheel for LMP, EDD, and EGA, Due Date by Sonogram, IVF Wheel for due date calculation, VBAC Success prediction, GBS Algorithm for antibiotic indication, Pre-Eclampsia Protein/Creatine Ratio assessment, APGAR, BMI, BSA, and Urine Output calculators

**Features:** macOS Compatibility

**In-app purchases:** none


### OB Wheel

[App page](https://appshunter.io/ios/app/ob-wheel/id6473123188)

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.

**Highlights:** Accurate due date calculation, Weekly fetal development tracker, Customizable reminders and tracking, Health tips and resources, Tools for healthcare professionals, Symptom and feeling logging

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ob Wheel lifetime ad-free | $3.99 | one-time |
| Unlimited Ad-free Ob wheel | $9.99 | one-time |


## Frequently asked questions

### Is OB App Suite free?

OB App Suite is free to download, with no in-app purchases.

### Is OB Wheel free?

OB Wheel is free to download, with in-app purchases available.

### Which has better reviews, OB App Suite or OB Wheel?

OB Wheel is rated higher. OB App Suite averages 3.8 out of 5 from 13 ratings, while OB Wheel averages 4.3 from 10 ratings.

### Do OB App Suite or OB Wheel have ads?

Neither OB App Suite nor OB Wheel shows ads.

### Which is updated more often, OB App Suite or OB Wheel?

OB App Suite ships an update every 11 days, and OB Wheel every 4 days. Most recently, OB App Suite was updated on October 24, 2026 and OB Wheel on October 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*