Comparison

SIRS 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

SIRS

Features
Read full description

The Saudi Interventional Radiology (SIRS) is a nonprofit, medical society which was established in 2014 to represent all Interventional Radiology physicians and trainees in the Kingdom of Saudi Arabia. Interventional Radiologists bring the best in modern medicine to your door. Board certified Interventional Radiologist pioneer minimally invasive treatments for life threatening and non-life threatening conditions that are faster, less painful and have a shorter recovery time. The SIRS constantly outreaches to medical and non medical societies by continuous education and emphasizing what Interventional Radiology can offer to patients and to the public. SIRS managed to organize its first international conference in Jeddah in Jan, 2017. National and international participants attracted healthcare professionals from all over the world.

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

SIRS4 screens
PE Classifier4 screens

Verdict

The call

The clearest difference is update cadence: SIRS at every 5 days against PE Classifier's monthly. SIRS also leads on iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

SIRS ships an update every 5 days, PE Classifier monthly. The most recent releases landed on October 5, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 7 level
SIRS versus PE Classifier: the parameters behind the verdict, then further details
ParameterSIRSPE Classifier
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 days — betterMonthly
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.1
Further details — not scored
Size34 MB24 MB
Age rating17+17+
DeveloperAdnan AshrafDawwod George

In-app purchases

None

SIRS

No in-app purchases

None

PE Classifier

No in-app purchases

Questions

Is SIRS free?
SIRS is free to download, with no in-app purchases.
Is PE Classifier free?
PE Classifier is free to download, with no in-app purchases.
Do SIRS or PE Classifier have ads?
Neither SIRS nor PE Classifier shows ads.
Which is updated more often, SIRS or PE Classifier?
SIRS ships an update every 5 days, and PE Classifier monthly. Most recently, SIRS was updated on October 5, 2026 and PE Classifier on September 18, 2026.

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