# Prego OB Wheel vs Storc

The clearest difference is price: Storc at Free against Prego OB Wheel's $4.99. Storc also leads on update cadence (every 4 weeks vs every 2 months). Prego OB Wheel's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Storc is free to download; Prego OB Wheel costs $4.99 up front. Storc sells 2 in-app purchases, starting at $2.99 per month. Prego OB Wheel asks for nothing beyond the download.

Prego OB Wheel ships an update every 2 months, Storc every 4 weeks. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Prego OB Wheel | Storc |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (324 ratings)](https://appshunter.io/ios/app/prego-ob-wheel/id1328976834/reviews)** | — |
| Number of ratings | **324** | — |
| Positive reviews | 65.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Fulton](https://appshunter.io/developer/1843978616) | [Yuliyan Stefanov](https://appshunter.io/developer/1649056707) |

## What reviewers say

### Prego OB Wheel

[App page](https://appshunter.io/ios/app/prego-ob-wheel/id1328976834)

This app is a simple obstetrical calculator and patient tracker. It helps healthcare professionals quickly determine pregnancy dates, gestational age, and track patient progress. Save patient information and notes for easy reference.

**Highlights:** Calculate pregnancy dates (LMP, ultrasound, conception, EDD), Determine gestational age, Track pregnancies, Track postpartum patients, Save patient notes (Rh, GBS, GTPAL), List upcoming deliveries

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

**In-app purchases:** none


### Storc

[App page](https://appshunter.io/ios/app/storc-ob-patient-tracker/id6443752821)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard monthly | $2.99 | per month |
| Standard annually | $29.99 | per year |


## Frequently asked questions

### Is Prego OB Wheel free?

Prego OB Wheel costs $4.99, with no in-app purchases.

### Is Storc free?

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

### Do Prego OB Wheel or Storc have ads?

Neither Prego OB Wheel nor Storc shows ads.

### Which is updated more often, Prego OB Wheel or Storc?

Prego OB Wheel ships an update every 2 months, and Storc every 4 weeks. Most recently, Prego OB Wheel was updated on September 24, 2026 and Storc on September 11, 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.*