# ACOG vs Obstetrics, 6th Edition

The clearest difference is price: ACOG at Free against Obstetrics, 6th Edition's $139.99. ACOG also leads on update cadence (every 3 months vs every 11 months). Obstetrics, 6th Edition's advantage is iOS requirement (10.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

ACOG is free to download; Obstetrics, 6th Edition costs $139.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ACOG ships an update every 3 months, Obstetrics, 6th Edition every 11 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | ACOG | Obstetrics, 6th Edition |
| --- | --- | --- |
| Price | **Free** | $139.99 |
| Rating | **[4.9 (6.3K ratings)](https://appshunter.io/ios/app/acog/id616323665/reviews)** | — |
| Number of ratings | **6.3K** | — |
| Positive reviews | 89.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | Free | — |
| Size | 29 MB | 217 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Fountainhead Mobile Solutions](https://appshunter.io/developer/1113758990) | [Usatine & Erickson Media LLC](https://appshunter.io/developer/1466894388) |

## 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


### Obstetrics, 6th Edition

[App page](https://appshunter.io/ios/app/obstetrics-6th-edition/id1043804541)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ACOG free?

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

### Is Obstetrics, 6th Edition free?

Obstetrics, 6th Edition costs $139.99, with no in-app purchases.

### Do ACOG or Obstetrics, 6th Edition have ads?

Neither ACOG nor Obstetrics, 6th Edition shows ads.

### Which is updated more often, ACOG or Obstetrics, 6th Edition?

ACOG ships an update every 3 months, and Obstetrics, 6th Edition every 11 months. Most recently, ACOG was updated on November 6, 2026 and Obstetrics, 6th Edition on November 2, 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.*