# Contraception vs ATA Calculator

The clearest difference is price: Contraception at Free against ATA Calculator's $2.99. Contraception also leads on rating (4.3 vs 3.0) and ratings volume (27 vs 1). ATA Calculator's advantage is iOS requirement (11.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Contraception is free to download; ATA Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Contraception holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Contraception has 27 ratings behind it against 1, so its average is the more settled of the two.

Contraception ships an update every 7 months, ATA Calculator every 9 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Contraception | ATA Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.3 (27 ratings)](https://appshunter.io/ios/app/contraception/id595752188/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/ata-calculator/id890053714/reviews) |
| Number of ratings | **27** | 1 |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | **Free** | Paid |
| Size | 56 MB | 2 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [American Thyroid Association](https://appshunter.io/developer/890053717) |

## 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


### ATA Calculator

[App page](https://appshunter.io/ios/app/ata-calculator/id890053714)

This medical app provides thyroid nodule calculators to assist healthcare providers in guiding treatment decisions for thyroid disease and cancer. It offers recommendations based on current evidence and expert opinion, but emphasizes that it is a tool to supplement, not replace, physician judgment.

**Highlights:** Thyroid nodule calculators, Guidance for thyroid disease and cancer, Evidence-based recommendations, Supports clinical judgment, Developed by American Thyroid Association

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

**In-app purchases:** none


## Frequently asked questions

### Is Contraception free?

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

### Is ATA Calculator free?

ATA Calculator costs $2.99, with no in-app purchases.

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

Contraception is rated higher. Contraception averages 4.3 out of 5 from 27 ratings, while ATA Calculator averages 3.0 from 1 ratings.

### Do Contraception or ATA Calculator have ads?

Neither Contraception nor ATA Calculator shows ads.

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

Contraception ships an update every 7 months, and ATA Calculator every 9 months. Most recently, Contraception was updated on October 8, 2026 and ATA Calculator on October 3, 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.*