# Contraception vs EBM Calculator

The clearest difference is rating: EBM Calculator at 5.0 against Contraception's 4.3. EBM Calculator also leads on update cadence (every 3 months vs every 7 months). Contraception's advantage is ratings volume (27 vs 3) and iOS requirement (16.0 vs 18.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EBM Calculator holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Contraception has 27 ratings behind it against 3, so its average is the more settled of the two.

Contraception ships an update every 7 months, EBM Calculator every 3 months. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Contraception | EBM Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (27 ratings)](https://appshunter.io/ios/app/contraception/id595752188/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ebm-calculator/id6737999201/reviews)** |
| Number of ratings | **27** | 3 |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 56 MB | 14 MB |
| Requires iOS | **16.0** | 18.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [David Stewart](https://appshunter.io/developer/1778788927) |

## What reviewers say

### Contraception

[App page](https://appshunter.io/ios/app/contraception/id595752188)

This app provides comprehensive guidelines on contraceptive method use based on medical eligibility criteria and selected practice recommendations. It assists healthcare providers in counseling individuals and couples on family planning choices, covering over 60 medical conditions and numerous clinical situations.

**Highlights:** U.S. Medical Eligibility Criteria (MEC), U.S. Selected Practice Recommendations (SPR), Covers over 60 characteristics/conditions, Addresses numerous clinical situations, Aids healthcare provider counseling, Based on CDC Morbidity and Mortality Weekly Report

**In-app purchases:** none


### EBM Calculator

[App page](https://appshunter.io/ios/app/ebm-calculator/id6737999201)

This app helps medical professionals quickly interpret study results. It offers calculators for effect size, diagnostic test accuracy, and post-test probability, along with lessons and tutorials on evidence-based medicine.

**Highlights:** Effect Size Calculator, Diagnostic Test Accuracy Calculator, Post-Test Probability Calculator, Fagan Nomogram visualization, Save, Search, and Share results, Evidence-Based Medicine lessons, iCloud Sync

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contraception free?

Contraception is free to download, with no in-app purchases.

### Is EBM Calculator free?

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

### Which has better reviews, Contraception or EBM Calculator?

EBM Calculator is rated higher. Contraception averages 4.3 out of 5 from 27 ratings, while EBM Calculator averages 5.0 from 3 ratings.

### Do Contraception or EBM Calculator have ads?

Neither Contraception nor EBM Calculator shows ads.

### Which is updated more often, Contraception or EBM Calculator?

Contraception ships an update every 7 months, and EBM Calculator every 3 months. Most recently, Contraception was updated on November 5, 2026 and EBM Calculator on November 4, 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.*