Comparison

Device Guide vs Congenital Calculator

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

Head to head
About

Device Guide

This medical app offers a comprehensive directory of vascular and coronary interventional devices for US and CE Mark markets. Easily search product specifications, company details, and web resources in a centralized tool. Regular updates ensure access to the latest product information.

Highlights
  • Vascular and coronary interventional device listing
  • US and CE Mark market coverage
  • Searchable product sizes and configurations
  • Company information and web resources
  • Regular product updates
Features
Read full description

The Device Guide app, brought to you by Endovascular Today and Cardiac Interventions Today, provides a comprehensive listing of vascular and coronary interventional devices available in both the United States and CE Mark markets. This easy-to-use format places all four editions of our Guides (US and European) into one central tool, making it easier to search sizes, configurations, and unique characteristics of each product, along with company information, web resources, and product links for even more detailed information. With products updates and added regularly, this app delivers a hands-on tool that is a must-have for anyone in the vascular interventional fields.

About

Congenital Calculator

This professional cardiac hemodynamic calculator assists pediatric cardiologists and congenital heart disease specialists. It computes pulmonary and systemic blood flow, vascular resistance, and shunt fractions using the Fick principle during cardiac catheterization. The app generates comprehensive PDF reports for patient data and results.

Highlights
  • Pulmonary and systemic blood flow calculation
  • Vascular resistance calculation
  • Shunt fraction calculation
  • Mixed venous saturation
  • VO₂ estimation
  • Shunt detection warning
  • PDF report generation
Features
Read full description

Congenital Calculator is a professional cardiac hemodynamic calculator designed for pediatric cardiologists and congenital heart disease specialists. Built on the Fick principle, it calculates pulmonary and systemic blood flow, vascular resistance, and shunt fractions during cardiac catheterization procedures. Key features: • Qp, Qs, QeP and Qp:Qs ratio — all indexed to body surface area • PVR, PVRi, SVR, SVRi — pulmonary and systemic vascular resistance • Mixed venous saturation using SVC and IVC • LaFarge & Miettinen VO₂ estimation with log₁₀ and −20% variant • 8-point saturation step-up warning for shunt detection • Full PDF report generation with patient data and results • O₂ content calculation including dissolved oxygen (pO₂ × 0.003) For use by qualified healthcare professionals only. This app is a clinical decision support tool and does not constitute medical advice, diagnosis, or treatment. All results must be interpreted and verified by a licensed physician. This app has not been evaluated by the FDA or any regulatory body. Always consult current clinical guidelines and institutional protocols. Developed by Subhrajit Lahiri, MD and Omar Abu Anza, MD.

Screenshots

Device Guide4 screens
Congenital Calculator4 screens

Verdict

The call

The clearest difference is iOS requirement: Device Guide at 13.0 against Congenital Calculator's 15.1. 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.

Scorecard1 real difference · 9 level
Device Guide versus Congenital Calculator: the parameters behind the verdict, then further details
ParameterDevice GuideCongenital Calculator
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews57.1% of reviews—
Number of ratings—2 — better
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size42 MB27 MB
Age rating4+17+
DeveloperFyra LLCSubhrajit Lahiri

Customer experience

Device Guide

Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

Congenital Calculator

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

In-app purchases

None

Device Guide

No in-app purchases

None

Congenital Calculator

No in-app purchases

Questions

Is Device Guide free?
Device Guide is free to download, with no in-app purchases.
Is Congenital Calculator free?
Congenital Calculator is free to download, with no in-app purchases.
Do Device Guide or Congenital Calculator have ads?
Neither Device Guide nor Congenital Calculator shows ads.

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