# Membership App vs OpNotes

The clearest difference is review sentiment: OpNotes at 100% against Membership App's 40%. OpNotes also leads on rating (5.0 vs 3.8). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpNotes holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 19 and 8 respectively. Written reviews point the same way: 40% of Membership App's written reviews are positive against 100% of OpNotes's.

Membership App ships an update every 6 weeks, OpNotes every 2 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Membership App | OpNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (19 ratings)](https://appshunter.io/ios/app/membership-app-aaos/id1635988366/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/opnotes/id6757565665/reviews)** |
| Number of ratings | **19** | 8 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 49 MB | 21 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [American Academy of Orthopaedic Surgeons Mobile](https://appshunter.io/developer/549697931) | [Christian Cullen](https://appshunter.io/developer/1863290402) |

## What reviewers say

### Membership App

[App page](https://appshunter.io/ios/app/membership-app-aaos/id1635988366)

Connect with thousands of orthopaedic professionals, access educational resources, and manage your membership on the go. This app helps you build your knowledge and network within the orthopaedic community.

**Highlights:** Connect with 38,000+ orthopaedic leaders, Member-to-member direct messaging, Access CME and online learning, Manage membership details, Find JAAOS and podcasts, Access Advocacy Center

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

**In-app purchases:** none


### OpNotes

[App page](https://appshunter.io/ios/app/opnotes/id6757565665)

This app helps surgical residents document their operative training with evolving case notes, technique libraries, and progress analytics. It provides a comprehensive journal for personal training, not for patient care.

**Highlights:** Detailed operative case documentation, Case minimum tracking, Techniques library, Attending profiles, Dashboard analytics, Cross-device sync, PDF case export

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

**In-app purchases:** none


## Frequently asked questions

### Is Membership App free?

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

### Is OpNotes free?

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

### Which has better reviews, Membership App or OpNotes?

OpNotes is rated higher. Membership App averages 3.8 out of 5 from 19 ratings, while OpNotes averages 5.0 from 8 ratings.

### Do Membership App or OpNotes have ads?

Neither Membership App nor OpNotes shows ads.

### Which is updated more often, Membership App or OpNotes?

Membership App ships an update every 6 weeks, and OpNotes every 2 months. Most recently, Membership App was updated on October 1, 2026 and OpNotes on October 6, 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.*