# STI Tx Guide vs WHO Contraception tool

The clearest difference is review sentiment: STI Tx Guide at 36% against WHO Contraception tool's 0%. STI Tx Guide also leads on ratings volume (36 vs 4). WHO Contraception tool's advantage is rating (4.0 vs 3.5) and iOS requirement (13.0 vs 18.0). On price, update cadence, 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.

WHO Contraception tool holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: STI Tx Guide has 36 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 36% of STI Tx Guide's written reviews are positive against 0% of WHO Contraception tool's, so the app with the better star average is not the one people write more warmly about.

STI Tx Guide ships an update every 8 months, WHO Contraception tool every 15 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | WHO Contraception tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/who-contraception-tool/id1439446129/reviews)** |
| Number of ratings | **36** | 4 |
| Positive reviews | **35.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 31 MB | 14 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [RC DIGITAL LTD OOD](https://appshunter.io/developer/1769416283) |

## What reviewers say

### STI Tx Guide

[App page](https://appshunter.io/ios/app/sti-tx-guide/id655206856)

Provides healthcare professionals with up-to-date, evidence-based recommendations for the prevention, diagnosis, and treatment of sexually transmitted infections. Features include clinical care guidance, sexual history resources, and patient materials for effective patient management.

**Highlights:** STI prevention recommendations, Diagnosis guidance, Treatment protocols, Clinical care assistance, Sexual history resources, Patient management tools

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

**In-app purchases:** none


### WHO Contraception tool

[App page](https://appshunter.io/ios/app/who-contraception-tool/id1439446129)

This digital tool provides medical eligibility criteria for initiating various contraceptive methods. It guides healthcare providers in recommending safe and effective family planning options for women with specific medical conditions or characteristics.

**Highlights:** Digital MEC Wheel, Contraceptive method eligibility, Guidance for family planning providers, Recommendations for women with medical conditions, Covers nine common contraceptive methods

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

**In-app purchases:** none


## Frequently asked questions

### Is STI Tx Guide free?

STI Tx Guide is free to download, with no in-app purchases.

### Is WHO Contraception tool free?

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

### Which has better reviews, STI Tx Guide or WHO Contraception tool?

WHO Contraception tool is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while WHO Contraception tool averages 4.0 from 4 ratings.

### Do STI Tx Guide or WHO Contraception tool have ads?

Neither STI Tx Guide nor WHO Contraception tool shows ads.

### Which is updated more often, STI Tx Guide or WHO Contraception tool?

STI Tx Guide ships an update every 8 months, and WHO Contraception tool every 15 months. Most recently, STI Tx Guide was updated on November 1, 2026 and WHO Contraception tool on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*