AONA Events vs OpNotes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AONA Events
Access all information for AO North America courses, including schedules, materials, venue details, and faculty bios. You can also access your CME directly within the application.
- View event schedules
- Access course materials
- Venue information
- Faculty biographies
- Direct CME access
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The AO North America Event app is a resource for you while attending one of our courses. You can stay up to date and informed about our current and future events right at your fingertips. Designed as your single go-to source, you can: view schedules, course materials, venue information and faculty bios. You can access your CME directly from the app.
OpNotes
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.
- Detailed operative case documentation
- Case minimum tracking
- Techniques library
- Attending profiles
- Dashboard analytics
- Cross-device sync
- PDF case export
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Your surgical journey companion. OpNotes™ helps you build a comprehensive, evolving record of your operative journey. Rather than static notes, OpNotes is meant to evolve with each case making the next one clearer, sharper, and more intentional. KEY FEATURES: • Detailed case documentation with operative notes • Case tracking • OpNotes feed to celebrate your colleagues • Attending profiles and summaries • Dashboard analytics and progress visualization • Cross-device sync via secure cloud storage • Export cases as PDF backups DISCLAIMER: OpNotes is intended for personal surgical tracking only. It is not intended for patient care, diagnosis, or treatment decisions.
Screenshots
Verdict
The clearest difference is iOS requirement: AONA Events at 12.2 against OpNotes's 15.0. On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for AONA Events against 5.0 for OpNotes. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.
| Parameter | AONA Events | OpNotes |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (8 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 8 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.2 — better | 15.0 |
| Further details — not scored | ||
| Size | 215 MB | 21 MB |
| Age rating | 12+ | 17+ |
| Developer | The AO North America Inc | Christian Cullen |
Customer experience
AONA Events
OpNotes
In-app purchases
AONA Events
No in-app purchases
OpNotes
No in-app purchases
