# EBM Stats Calc vs docLogica

The clearest difference is in-app purchases: EBM Stats Calc at none against docLogica's 2. EBM Stats Calc also leads on ads (none vs shown) and review sentiment (100% vs 80%). docLogica's advantage is update cadence (every 2 weeks vs every 14 months) and ratings volume (32 vs 2). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. docLogica sells 2 in-app purchases, starting at $2.99 per month. EBM Stats Calc asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for EBM Stats Calc against 4.5 for docLogica. That said, the two scores are not equally well evidenced: docLogica has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of EBM Stats Calc's written reviews are positive against 80% of docLogica's.

EBM Stats Calc ships an update every 14 months, docLogica every 2 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EBM Stats Calc | docLogica |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/ebm-stats-calc/id1329546106/reviews) | **[4.5 (32 ratings)](https://appshunter.io/ios/app/doclogica/id1363604747/reviews)** |
| Number of ratings | 2 | **32** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 19 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Joshua D. steinberg](https://appshunter.io/developer/374154837) | [Michael Garfinkle](https://appshunter.io/developer/943680507) |

## What reviewers say

### EBM Stats Calc

[App page](https://appshunter.io/ios/app/ebm-stats-calc/id1329546106)

This medical app assists clinicians and educators in performing complex calculations related to evidence-based medicine. It offers tools for calculating NNTs, diagnostic test utility, and understanding the impact of pretest probability on posttest results.

**Highlights:** Calculate Number Needed to Treat (NNT), Calculate diagnostic test utility, Pretest to posttest probability conversion, Positive and Negative Predictive Value calculation, Interactive slider for pretest probability demonstration, Useful for clinicians, students, residents, and educators

**Features:** macOS Compatibility

**In-app purchases:** none


### docLogica

[App page](https://appshunter.io/ios/app/doclogica/id1363604747)

A comprehensive, searchable medical database for healthcare professionals. Access detailed disease information, diagnostic test accuracies, and a powerful differential diagnosis generator at the point of care.

**Highlights:** 1700+ diseases with symptoms and incidence, 1200+ diagnostic test accuracies, Powerful differential diagnosis generator, Disease probabilities from real population data, Point-of-care information access

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is EBM Stats Calc free?

EBM Stats Calc is free to download, with no in-app purchases.

### Is docLogica free?

docLogica is free to download, with in-app purchases available.

### Which has better reviews, EBM Stats Calc or docLogica?

docLogica is rated higher. EBM Stats Calc averages 4.5 out of 5 from 2 ratings, while docLogica averages 4.5 from 32 ratings.

### Do EBM Stats Calc or docLogica have ads?

docLogica shows ads; EBM Stats Calc does not.

### Which is updated more often, EBM Stats Calc or docLogica?

EBM Stats Calc ships an update every 14 months, and docLogica every 2 weeks. Most recently, EBM Stats Calc was updated on October 12, 2026 and docLogica on October 24, 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.*