# ODC Tutor vs SOAP Notes Logbook

The clearest difference is review sentiment: ODC Tutor at 100% against SOAP Notes Logbook's 0%. ODC Tutor also leads on in-app purchases (none vs 3) and iOS requirement (13.0 vs 17.0). SOAP Notes Logbook's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SOAP Notes Logbook sells 3 in-app purchases, starting at $9.99 per month. ODC Tutor asks for nothing beyond the download.

ODC Tutor ships an update every 2 months, SOAP Notes Logbook fortnightly. The most recent releases landed on October 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ODC Tutor | SOAP Notes Logbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/soap-notes-logbook/id6757296066/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 33 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Satish Deopujari](https://appshunter.io/developer/1180072702) | [Russell Thorman](https://appshunter.io/developer/1093341902) |

## What reviewers say

### ODC Tutor

[App page](https://appshunter.io/ios/app/odc-tutor/id993661003)

Visualize and understand the oxygen-hemoglobin dissociation curve. This medical tool shows the relationship between oxygen partial pressure and hemoglobin saturation, highlighting factors that shift the curve and critical care points.

**Highlights:** Visualize oxygen-hemoglobin dissociation curve, Shift curve right/left to show affinity changes, Display causes for curve shifts, Show arterial and venous saturation, Indicate P50 value, Highlight ICU point for critical care monitoring

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

**In-app purchases:** none


### SOAP Notes Logbook

[App page](https://appshunter.io/ios/app/soap-notes-logbook/id6757296066)

This app provides a professional, local-first solution for massage therapists to create and manage client SOAP notes. It offers structured editing, client summaries, and secure data export and backup, ensuring full ownership of records.

**Highlights:** Structured SOAP note editor, Client summaries across sessions, Interactive body diagrams, CSV import and PDF/CSV/text export, Encrypted backups, Local-first data storage

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $9.99 | per month |
| Annual Access | $99.99 | per year |
| Lifetime Unlock | $179.99 | one-time |


## Frequently asked questions

### Is ODC Tutor free?

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

### Is SOAP Notes Logbook free?

SOAP Notes Logbook is free to download, with in-app purchases available.

### Do ODC Tutor or SOAP Notes Logbook have ads?

Neither ODC Tutor nor SOAP Notes Logbook shows ads.

### Which is updated more often, ODC Tutor or SOAP Notes Logbook?

ODC Tutor ships an update every 2 months, and SOAP Notes Logbook fortnightly. Most recently, ODC Tutor was updated on October 4, 2026 and SOAP Notes Logbook on September 18, 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.*