# STI Tx Guide vs POCN

The clearest difference is update cadence: POCN at weekly against STI Tx Guide's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

STI Tx Guide ships an update every 2 months, POCN weekly. Both last shipped on October 8, 2026.

## The numbers

| Metric | STI Tx Guide | POCN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 36 MB | 38 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [POCN](https://appshunter.io/developer/1526043605) |

## 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


### POCN

[App page](https://appshunter.io/ios/app/pocn/id6445804714)

**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 POCN free?

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

### Do STI Tx Guide or POCN have ads?

Neither STI Tx Guide nor POCN shows ads.

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

STI Tx Guide ships an update every 2 months, and POCN weekly. Most recently, STI Tx Guide was updated on October 8, 2026 and POCN on October 8, 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.*