# Compendium vs ICD

The clearest difference is update cadence: Compendium at every 3 weeks against ICD's every 14 months. ICD's advantage is ratings volume (4 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Compendium sells 4 in-app purchases, starting at $3.49 per month and ICD sells 3 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for Compendium against 4.0 for ICD. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Compendium ships an update every 3 weeks, ICD every 14 months. The most recent releases landed on September 22, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Compendium | ICD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/compendium-medication-guide/id373040910/reviews) | [4.0 (4 ratings)](https://appshunter.io/ios/app/icd-10-cm-codes-2022-reference/id415731352/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 38 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [treeinspired GmbH](https://appshunter.io/developer/373040913) | [treeinspired GmbH](https://appshunter.io/developer/373040913) |

## What reviewers say

### Compendium

[App page](https://appshunter.io/ios/app/compendium-medication-guide/id373040910)

Access comprehensive drug information for medical professionals. Quickly find details on medicines approved in the USA, Switzerland, and Spain with powerful search and export functions. Supports multiple languages for global use.

**Highlights:** Complete FDA drug data set, Spanish AEMPS-certified medicines, Swissmedic-certified medicines, Multi-language support, Fast search function, PDF export, Content sharing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compendium one Month | $3.49 | per month |
| Compendium for 3 months | $9.49 | per 3 months |
| Compendium for 6 months | $17.99 | per 6 months |
| Compendium for 12 Months | $23.99 | per year |


### ICD

[App page](https://appshunter.io/ios/app/icd-10-cm-codes-2022-reference/id415731352)

Access a comprehensive, offline digital reference for ICD-10-CM disease codes. Easily search, browse, and share medical classification information, replacing bulky physical books with a convenient mobile solution. Stay updated with the latest code revisions.

**Highlights:** Offline access to ICD-10-CM codes, Search by disease or code, Browse by chapters and sections, List of similar diseases, History and bookmarks, Information sharing via email, Regular data updates

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ICD-10 for 1 Month | $3.49 | per month |
| ICD-10 for 6 Months | $14.99 | per 6 months |
| ICD-10 for 12 Months | $22.49 | per year |


## Frequently asked questions

### Is Compendium free?

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

### Is ICD free?

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

### Which has better reviews, Compendium or ICD?

Compendium and ICD are both rated 4.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Compendium or ICD have ads?

Neither Compendium nor ICD shows ads.

### Which is updated more often, Compendium or ICD?

Compendium ships an update every 3 weeks, and ICD every 14 months. Most recently, Compendium was updated on September 22, 2026 and ICD on August 26, 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.*