# Contraception vs OB Wheels

The clearest difference is review sentiment: Contraception at 64% against OB Wheels's 20%. Contraception also leads on rating (4.3 vs 2.3) and update cadence (every 7 months vs every 18 months). OB Wheels's advantage is iOS requirement (7.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Contraception holds the better App Store score, 4.3 against 2.3. Both are backed by a comparable volume of ratings — 27 and 15 respectively. Written reviews point the same way: 64% of Contraception's written reviews are positive against 20% of OB Wheels's.

Contraception ships an update every 7 months, OB Wheels every 18 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Contraception | OB Wheels |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (27 ratings)](https://appshunter.io/ios/app/contraception/id595752188/reviews)** | [2.3 (15 ratings)](https://appshunter.io/ios/app/ob-wheels/id969845527/reviews) |
| Number of ratings | **27** | 15 |
| Positive reviews | **63.6% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 18 months |
| Monetization | Free | Free |
| Size | 56 MB | 3 MB |
| Requires iOS | 16.0 | **7.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Joshua D. steinberg](https://appshunter.io/developer/374154837) |

## 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


### OB Wheels

[App page](https://appshunter.io/ios/app/ob-wheels/id969845527)

This app calculates due dates, gestational age, and reconciles sonogram and LMP dates using a digital OB wheel and calendar. It offers a familiar interactive wheel for precise date calculations, accounting for leap years.

**Highlights:** Calendar calculator for EDD/EDC, Gestational age calculation, Interactive digital OB wheel, Reconciliation of due dates, Leap year accuracy

**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 OB Wheels free?

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

### Which has better reviews, Contraception or OB Wheels?

Contraception is rated higher. Contraception averages 4.3 out of 5 from 27 ratings, while OB Wheels averages 2.3 from 15 ratings.

### Do Contraception or OB Wheels have ads?

Neither Contraception nor OB Wheels shows ads.

### Which is updated more often, Contraception or OB Wheels?

Contraception ships an update every 7 months, and OB Wheels every 18 months. Most recently, Contraception was updated on October 23, 2026 and OB Wheels on October 26, 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.*