# EBM Stats Calc vs JournalJams

The clearest difference is rating: JournalJams at 5.0 against EBM Stats Calc's 4.5. JournalJams also leads on update cadence (every 9 days vs every 14 months). EBM Stats Calc's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. JournalJams sells 2 in-app purchases, starting at $2.00 per month. EBM Stats Calc asks for nothing beyond the download.

JournalJams holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

EBM Stats Calc ships an update every 14 months, JournalJams every 9 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EBM Stats Calc | JournalJams |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/ebm-stats-calc/id1329546106/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/journaljams/id6758520681/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 26 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Joshua D. steinberg](https://appshunter.io/developer/374154837) | [Annas Rahman](https://appshunter.io/developer/1873315868) |

## 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


### JournalJams

[App page](https://appshunter.io/ios/app/journaljams/id6758520681)

This app simplifies complex medical research for healthcare professionals. It provides concise summaries, key findings, study designs, and clinical significance of medical literature. It also offers discussion guides and contextual information to aid understanding and staying current.

**Highlights:** One-sentence study summaries, Key findings at a glance, Study design and methods breakdown, Clinical significance explained, Historical context and related trials, Limitations and bias analysis, Perspective-based discussion guides

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.00 | per month |
| Pro Annual | $20.00 | per year |


## Frequently asked questions

### Is EBM Stats Calc free?

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

### Is JournalJams free?

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

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

JournalJams is rated higher. EBM Stats Calc averages 4.5 out of 5 from 2 ratings, while JournalJams averages 5.0 from 4 ratings.

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

Neither EBM Stats Calc nor JournalJams shows ads.

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

EBM Stats Calc ships an update every 14 months, and JournalJams every 9 days. Most recently, EBM Stats Calc was updated on October 12, 2026 and JournalJams on October 25, 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.*