# STI Tx Guide vs GMHC GO

The clearest difference is rating: GMHC GO at 5.0 against STI Tx Guide's 3.5. GMHC GO also leads on iOS requirement (13.0 vs 15.0). STI Tx Guide's advantage is ratings volume (36 vs 1). 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.

GMHC GO holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: STI Tx Guide has 36 ratings behind it against 1, so its average is the more settled of the two.

STI Tx Guide ships an update every 2 months, GMHC GO every 3 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | GMHC GO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gmhc-go/id1568756495/reviews)** |
| Number of ratings | **36** | 1 |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 36 MB | 92 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Southeast Christian Church](https://appshunter.io/developer/779820721) |

## 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


### GMHC GO

[App page](https://appshunter.io/ios/app/gmhc-go/id1568756495)

Connects healthcare professionals with global mission trip opportunities. Discover serving roles from numerous organizations to utilize your skills worldwide.

**Highlights:** Aggregated serving opportunities, Connects with hundreds of organizations, For healthcare professionals, Global mission trip listings, Utilize professional skills abroad

**Features:** macOS Compatibility

**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 GMHC GO free?

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

### Which has better reviews, STI Tx Guide or GMHC GO?

GMHC GO is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while GMHC GO averages 5.0 from 1 ratings.

### Do STI Tx Guide or GMHC GO have ads?

Neither STI Tx Guide nor GMHC GO shows ads.

### Which is updated more often, STI Tx Guide or GMHC GO?

STI Tx Guide ships an update every 2 months, and GMHC GO every 3 months. Most recently, STI Tx Guide was updated on October 23, 2026 and GMHC GO on October 21, 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.*