# OpNotes vs PlasticOS

The clearest difference is in-app purchases: OpNotes at none against PlasticOS's 5. PlasticOS's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PlasticOS sells 5 in-app purchases, starting at $14.99 per month. OpNotes asks for nothing beyond the download.

OpNotes ships an update every 2 months, PlasticOS weekly. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | OpNotes | PlasticOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/opnotes/id6757565665/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 21 MB | 85 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Christian Cullen](https://appshunter.io/developer/1863290402) | [BERKE KAHRAMAN](https://appshunter.io/developer/1843240615) |

## What reviewers say

### 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


### PlasticOS

[App page](https://appshunter.io/ios/app/plasticos-plastic-surgery/id6799756600)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Resident, monthly | $14.99 | per month |
| Fellow, monthly | $24.99 | per month |
| Resident, yearly | $99.99 | per year |
| Fellow, yearly | $199.99 | per year |
| Lifetime | $399.99 | one-time |


## Frequently asked questions

### Is OpNotes free?

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

### Is PlasticOS free?

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

### Do OpNotes or PlasticOS have ads?

Neither OpNotes nor PlasticOS shows ads.

### Which is updated more often, OpNotes or PlasticOS?

OpNotes ships an update every 2 months, and PlasticOS weekly. Most recently, OpNotes was updated on September 19, 2026 and PlasticOS on September 20, 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.*