# PCR vs Guide Dose

The clearest difference is in-app purchases: PCR at none against Guide Dose's 2. Guide Dose's advantage is update cadence (every 5 days vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Guide Dose sells 2 in-app purchases, starting at $9.99 per month. PCR asks for nothing beyond the download.

PCR ships an update every 2 weeks, Guide Dose every 5 days. The most recent releases landed on September 22, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PCR | Guide Dose |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pcr/id1593889944/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Free** | Subscription |
| Size | 33 MB | 144 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | +17 | 12+ |
| Developer | [Europa Organisation](https://appshunter.io/developer/369661696) | [MedCalc](https://appshunter.io/developer/1699306069) |

## What reviewers say

### PCR

[App page](https://appshunter.io/ios/app/pcr/id1593889944)

This app serves as an official companion for interventional cardiovascular medicine courses. It allows users to build personalized schedules, receive session notifications, interact during live broadcasts, and connect with other participants and speakers. Users can also access speaker information, navigate venue maps, and track their progress towards a 'Top Companion' status.

**Highlights:** Personalized course program building, Session start notifications, Live interaction and voting, Participant messaging, Live session broadcasting, Speaker and partner information, Venue navigation, Progress tracking for 'Top Companion' status

**Features:** macOS Compatibility

**In-app purchases:** none


### Guide Dose

[App page](https://appshunter.io/ios/app/guide-dose-for-physicians/id6453359266)

This app provides healthcare professionals and students with quick access to clinical information, drug doses, and decision-support tools. It features a structured experience for study, reference, and organizing medical data, including AI-powered informational support.

**Highlights:** Search by medication or indication, Patient profile for contextualized readings, Organized clinical references and labeling, Modules on physiology, medications, and CPR, Clinical AI for informational support, Protocols and consultation flows, Auxiliary clinical tools

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guide Dose Pro (monthly) | $9.99 | per month |
| Guide Dose Pro (annual) | $69.99 | per year |


## Frequently asked questions

### Is PCR free?

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

### Is Guide Dose free?

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

### Do PCR or Guide Dose have ads?

Neither PCR nor Guide Dose shows ads.

### Which is updated more often, PCR or Guide Dose?

PCR ships an update every 2 weeks, and Guide Dose every 5 days. Most recently, PCR was updated on September 22, 2026 and Guide Dose on October 3, 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.*