# ICD 10 Coding Guide vs Respiratory Notes

The clearest difference is monetization model: Respiratory Notes at free with in-app purchases against ICD 10 Coding Guide's subscription. Respiratory Notes also leads on update cadence (every 6 months vs every 12 months) and iOS requirement (13.0 vs 15.0). ICD 10 Coding Guide's advantage is ads (none vs shown) and rating (4.4 vs 4.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ICD 10 Coding Guide sells 1 in-app purchase, starting at $9.99 per year and Respiratory Notes sells 1 in-app purchase, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

ICD 10 Coding Guide holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: ICD 10 Coding Guide has 167 ratings behind it against 4, so its average is the more settled of the two.

ICD 10 Coding Guide ships an update every 12 months, Respiratory Notes every 6 months. The most recent releases landed on September 18, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | ICD 10 Coding Guide | Respiratory Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (167 ratings)](https://appshunter.io/ios/app/icd-10-coding-guide-unbound/id1055441695/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/respiratory-notes/id6569241898/reviews) |
| Number of ratings | **167** | 4 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 12 MB | 47 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### ICD 10 Coding Guide

[App page](https://appshunter.io/ios/app/icd-10-coding-guide-unbound/id1055441695)

Quickly find the latest ICD-10 medical codes with this offline mobile app. Search by code, disease, injury, drug, or keyword. Features include color-coded trees, notes, highlights, and favorites for efficient code assignment.

**Highlights:** Offline ICD-10-CM code access, Rapid search by code, disease, or keyword, Color-keyed Code Trees, Notes and highlights, Favorites for quick access, Companion website

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ICD-10-CM Coding Guide | $9.99 | per year |


### Respiratory Notes

[App page](https://appshunter.io/ios/app/respiratory-notes/id6569241898)

This app provides a comprehensive, procedure-based reference for respiratory therapy information. It includes illustrations, forms, and algorithms to aid in study and practice, with content organized around protocols and new pulmonary disease tabs. An in-app purchase unlocks all content, and a subscription offers continuous updates.

**Highlights:** Procedure-based format, Supporting illustrations and tables, Fill-in-the-blank forms, Algorithms based on AARC Guidelines, SmartSearch technology, Offline content access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Respiratory Notes | $39.99 | per year |


## Frequently asked questions

### Is ICD 10 Coding Guide free?

ICD 10 Coding Guide is free to download, with in-app purchases available.

### Is Respiratory Notes free?

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

### Which has better reviews, ICD 10 Coding Guide or Respiratory Notes?

ICD 10 Coding Guide is rated higher. ICD 10 Coding Guide averages 4.4 out of 5 from 167 ratings, while Respiratory Notes averages 4.0 from 4 ratings.

### Do ICD 10 Coding Guide or Respiratory Notes have ads?

Respiratory Notes shows ads; ICD 10 Coding Guide does not.

### Which is updated more often, ICD 10 Coding Guide or Respiratory Notes?

ICD 10 Coding Guide ships an update every 12 months, and Respiratory Notes every 6 months. Most recently, ICD 10 Coding Guide was updated on September 18, 2026 and Respiratory Notes on August 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*