# Compendium vs KP Digital

The clearest difference is in-app purchases: KP Digital at none against Compendium's 5. Compendium's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Compendium sells 4 in-app purchases, starting at $3.49 per month. KP Digital asks for nothing beyond the download.

Compendium ships an update every 3 weeks, KP Digital every 5 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Compendium | KP Digital |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/compendium-medication-guide/id373040910/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 32 MB |
| Requires iOS | 13.0 | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [treeinspired GmbH](https://appshunter.io/developer/373040913) | [桂林凯文彼德科技有限公司](https://appshunter.io/developer/1704162807) |

## 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 |


### KP Digital

[App page](https://appshunter.io/ios/app/kp-digital/id6743141959)

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

**In-app purchases:** none


## Frequently asked questions

### Is Compendium free?

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

### Is KP Digital free?

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

### Do Compendium or KP Digital have ads?

Neither Compendium nor KP Digital shows ads.

### Which is updated more often, Compendium or KP Digital?

Compendium ships an update every 3 weeks, and KP Digital every 5 months. Most recently, Compendium was updated on October 29, 2026 and KP Digital on October 25, 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.*