Comparison

PneumoRecs VaxAdvisor vs PE Classifier

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PneumoRecs VaxAdvisor

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
Read full description

This is the PneumoRecs VaxAdvisor App created by the Centers for Disease Control and Prevention (CDC) in collaboration with the Georgia Tech Research Institute. PneumoRecs VaxAdvisor provides patient-specific pneumococcal vaccination guidance consistent with the pneumococcal vaccination recommendations of the Advisory Committee on Immunization Practices. Vaccination providers enter a patient’s age and respond to prompts about the patient’s pneumococcal vaccination history and underlying medical conditions. The app then displays patient-specific pneumococcal vaccination recommendations consistent with the recommended U.S. immunization schedule.

About

PE Classifier

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
Read full description

PEClassifier is an educational reference tool designed to help medical students, residents, and clinical trainees learn and apply the 2026 AHA/ACC/ACCP/ACEP/CHEST acute pulmonary embolism classification system. LEARN THE FRAMEWORK The 2026 guideline introduced a comprehensive Category A–E classification system for acute PE severity. PEClassifier walks you through every category and sub-stage — B1/B2, C1–C3, D1–D2, and E1–E2 — with interactive diagrams that show how clinical criteria map to each classification. Understand not just the answer, but the reasoning behind it. Utilizes validated 11-item HESTIA checklist used to evaluate outpatient management eligibility — a key concept tested on boards and applied throughout clinical training. FEATURES - Full Category A–E classification with all sub-stages and R respiratory modifier - Interactive visual diagrams for every classification category - Built-in HESTIA checklist with all 11 validated criteria - Optional case log for self-study and review — saved locally on your device only, never transmitted anywhere - Direct link to the 2026 source guideline for reference and citation PRIVACY PEClassifier does not collect, transmit, or store any personally identifiable information. Any case log entries you save are stored locally on your device only, are entirely non-identifying, and are never shared with or sold to any third party. Uninstalling the app permanently removes all saved data. WHO IT'S FOR PEClassifier is intended for licensed healthcare professionals, medical students, and clinical trainees. It is not directed at children and is designed exclusively for educational and professional reference use. DISCLAIMER PEClassifier is an educational and reference tool. It is not a diagnostic device and is not intended to replace clinical judgment, established diagnostic protocols, or consultation with a qualified healthcare provider. A disclaimer is displayed within the app on a recurring basis to reinforce this.

Screenshots

PneumoRecs VaxAdvisor2 screens
PE Classifier4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
PneumoRecs VaxAdvisor versus PE Classifier: the parameters behind the verdict, then further details
ParameterPneumoRecs VaxAdvisorPE Classifier
PriceFreeFree
Rating3.4 (60 ratings)5.0 (1 ratings) — better
Positive reviews26.9% of reviews—
Number of ratings60 — better1
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size6 MB24 MB
Age rating17+17+
DeveloperCenters For Disease Control and PreventionDawwod George

Customer experience

PneumoRecs VaxAdvisor

All ratings60 ratings
Positive58.3%
Neutral3.3%
Negative38.3%
Written reviews26 reviews
Positive26.9%
Neutral11.5%
Negative61.5%

PE Classifier

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PneumoRecs VaxAdvisor

No in-app purchases

None

PE Classifier

No in-app purchases

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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