# PneumoRecs VaxAdvisor vs PE Classifier

The clearest difference is rating: PE Classifier at 5.0 against PneumoRecs VaxAdvisor's 3.4. PE Classifier also leads on update cadence (monthly vs every 3 months) and iOS requirement (15.1 vs 18.0). PneumoRecs VaxAdvisor's advantage is ratings volume (60 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PE Classifier holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: PneumoRecs VaxAdvisor has 60 ratings behind it against 1, so its average is the more settled of the two.

PneumoRecs VaxAdvisor ships an update every 3 months, PE Classifier monthly. The most recent releases landed on October 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | PneumoRecs VaxAdvisor | PE Classifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (60 ratings)](https://appshunter.io/ios/app/pneumorecs-vaxadvisor/id1440647099/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pe-classifier/id6781558435/reviews)** |
| Number of ratings | **60** | 1 |
| Positive reviews | 26.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 6 MB | 24 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Dawwod George](https://appshunter.io/developer/6781558437) |

## What reviewers say

### PneumoRecs VaxAdvisor

[App page](https://appshunter.io/ios/app/pneumorecs-vaxadvisor/id1440647099)

This application offers personalized pneumococcal vaccination guidance based on patient age, vaccination history, and medical conditions. It aligns with the Advisory Committee on Immunization Practices' recommendations for U.S. immunization schedules.

**Highlights:** Patient-specific vaccination recommendations, Age-based guidance, Vaccination history tracking, Underlying medical condition prompts, U.S. immunization schedule compliance

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

**In-app purchases:** none


### PE Classifier

[App page](https://appshunter.io/ios/app/pe-classifier/id6781558435)

This educational reference tool helps medical professionals and students understand and apply the latest acute pulmonary embolism classification system. It features interactive diagrams, a built-in checklist, and direct links to source guidelines for comprehensive learning.

**Highlights:** Full Category A-E classification with sub-stages, Interactive visual diagrams, Built-in HESTIA checklist, Optional local case log, Direct link to source guideline

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

**In-app purchases:** none


## Frequently asked questions

### Is PneumoRecs VaxAdvisor free?

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

### Is PE Classifier free?

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

### Which has better reviews, PneumoRecs VaxAdvisor or PE Classifier?

PE Classifier is rated higher. PneumoRecs VaxAdvisor averages 3.4 out of 5 from 60 ratings, while PE Classifier averages 5.0 from 1 ratings.

### Do PneumoRecs VaxAdvisor or PE Classifier have ads?

Neither PneumoRecs VaxAdvisor nor PE Classifier shows ads.

### Which is updated more often, PneumoRecs VaxAdvisor or PE Classifier?

PneumoRecs VaxAdvisor ships an update every 3 months, and PE Classifier monthly. Most recently, PneumoRecs VaxAdvisor was updated on October 7, 2026 and PE Classifier 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.*