---
title: "EBM Stats Calc — App Overview"
url: https://marlvel.ai/apps/ebm-stats-calc
category: Medical
developer: Joshua D. steinberg
platforms: ios
rating: 4.5 (2 ratings)
pricing: free
report_level: overview
generated: 2026-05-10
last_verified: "2026-05-10T05:48:32.702Z"
overall_rating: 4.5
total_reviews: 2
data_age_days: 98
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as both a clinical calculation tool and an educational aid for visualizing the impact of pretest probability on diagnostic test utility.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Medical |
| Rating | 4.5 ★ (2) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.2 |
| Developer | Joshua D. steinberg |

<!-- SECTION: Summary -->
## What is EBM Stats Calc?

EBM Stats Calc is a medical utility designed to assist clinicians with complex evidence-based medicine calculations. The app provides tools for determining NNTs and diagnostic test utility, including a unique interactive feature for educators to demonstrate how pretest probability impacts PPV and NPV.

<!-- SECTION: Key Features -->
## Key Features

- **NNT Calculator**: Calculates Number Needed to Treat using rates, percentages, or raw event and patient data.
- **Diagnostic Utility Calculator**: Determines posttest probability, PPV, and NPV using sensitivity, specificity, or likelihood ratios.
- **Educational Probability Slider**: An interactive tool that allows educators to demonstrate how diagnostic test performance shifts as pretest probability varies.

<!-- SECTION: Target Audience -->
## Who is it for?

Medical clinicians, clinical educators, and medical trainees such as students and residents.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/ebm-stats-calc/id1329546106?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/ebm-stats-calc)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/ebm-stats-calc).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*