# ACOG vs OBPro Obstetric Assistant

The clearest difference is review sentiment: ACOG at 90% against OBPro Obstetric Assistant's 0%. ACOG also leads on rating (4.9 vs 1.0) and in-app purchases (none vs 2). OBPro Obstetric Assistant's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. OBPro Obstetric Assistant sells 2 in-app purchases, starting at $9.99 per month. ACOG asks for nothing beyond the download.

ACOG holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: ACOG has 6.3K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 90% of ACOG's written reviews are positive against 0% of OBPro Obstetric Assistant's.

ACOG ships an update every 3 months, OBPro Obstetric Assistant fortnightly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ACOG | OBPro Obstetric Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.3K ratings)](https://appshunter.io/ios/app/acog/id616323665/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/obpro-obstetric-assistant/id6760678583/reviews) |
| Number of ratings | **6.3K** | 1 |
| Positive reviews | **89.6% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Fountainhead Mobile Solutions](https://appshunter.io/developer/1113758990) | [Mehmet Sabri Sepik](https://appshunter.io/developer/1885676496) |

## What reviewers say

### ACOG

[App page](https://appshunter.io/ios/app/acog/id616323665)

This app provides obstetricians and gynecologists with essential tools and resources for women's healthcare. Access clinical guidelines, practice advisories, and helpful calculators to support your medical practice.

**Highlights:** EDD Calculator, Indicated Delivery tool (members only), Clinical Consensus documents, Clinical Practice Guidelines, Practice Advisories

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick access to clinical guidance
- 👍 Well-organized and easy to navigate
- 🔍 Convenient way to stay up-to-date with guidelines
- ⚡ Essential for OB-GYNs and providers
- 📚 Excellent resource for clinical reference

**What reviewers complain about**

- 🐛 Occasional crashes and compatibility issues
- 🔍 Could use more advanced search functionality
- 👨‍⚕️ Requires ACOG membership to access full features

**Reported bugs**

- App crashes on launch after updates
- Compatibility issues with older iOS versions

**Requested features**

- Bishop score calculator
- More extensive search engine
- Improved user interface


### OBPro Obstetric Assistant

[App page](https://appshunter.io/ios/app/obpro-obstetric-assistant/id6760678583)

This app provides OB/GYN physicians with essential clinical tools for patient care. It offers features like fetal biometry, drug dosing, risk scores, and emergency protocols, with both free and premium subscription options.

**Highlights:** Fetal biometry and biophysical profile assessment, Drug dosing and emergency protocols, Risk score calculators for preeclampsia and VBAC, Pregnancy calculator and Bishop score, Encrypted on-device patient records, PDF report generation and AI clinical summary

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBPro Premium Monthly | $9.99 | per month |
| OBPro Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is ACOG free?

ACOG is free to download, with no in-app purchases.

### Is OBPro Obstetric Assistant free?

OBPro Obstetric Assistant is free to download, with in-app purchases available.

### Which has better reviews, ACOG or OBPro Obstetric Assistant?

ACOG is rated higher. ACOG averages 4.9 out of 5 from 6.3K ratings, while OBPro Obstetric Assistant averages 1.0 from 1 ratings.

### Do ACOG or OBPro Obstetric Assistant have ads?

Neither ACOG nor OBPro Obstetric Assistant shows ads.

### Which is updated more often, ACOG or OBPro Obstetric Assistant?

ACOG ships an update every 3 months, and OBPro Obstetric Assistant fortnightly. Most recently, ACOG was updated on November 1, 2026 and OBPro Obstetric Assistant on November 5, 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.*