# STI Tx Guide vs Pitt CMU iTM

STI Tx Guide and Pitt CMU iTM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | Pitt CMU iTM |
| --- | --- | --- |
| 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 | Every 2 months |
| Monetization | Free | — |
| Size | 36 MB | 34 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [University of Pittsburgh](https://appshunter.io/developer/522288075) |

## 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


### Pitt CMU iTM

[App page](https://appshunter.io/ios/app/pitt-cmu-itm/id1375416916)

**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 Pitt CMU iTM free?

Pitt CMU iTM is free to download, with no in-app purchases.

### Do STI Tx Guide or Pitt CMU iTM have ads?

Neither STI Tx Guide nor Pitt CMU iTM shows ads.

### Which is updated more often, STI Tx Guide or Pitt CMU iTM?

STI Tx Guide ships an update every 2 months, and Pitt CMU iTM every 2 months. Most recently, STI Tx Guide was updated on October 23, 2026 and Pitt CMU iTM on October 10, 2026.

---

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