# STI Tx Guide vs StrepApp

The clearest difference is rating: STI Tx Guide at 3.5 against StrepApp's 2.7. STI Tx Guide also leads on review sentiment (36% vs 0%) and ratings volume (36 vs 7). StrepApp's advantage is update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: STI Tx Guide has 36 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 36% of STI Tx Guide's written reviews are positive against 0% of StrepApp's.

STI Tx Guide ships an update every 2 months, StrepApp fortnightly. The most recent releases landed on August 28, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | StrepApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews)** | [2.7 (7 ratings)](https://appshunter.io/ios/app/strepapp/id1544924313/reviews) |
| Number of ratings | **36** | 7 |
| Positive reviews | **35.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 36 MB | 44 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Auscultech DX](https://appshunter.io/developer/1532371245) |

## 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


### StrepApp

[App page](https://appshunter.io/ios/app/strepapp/id1544924313)

This medical app allows authorized users to capture and upload anonymized images of throats suspected of strep throat, along with lab results. Data is stored remotely for research and reference, with strict password protection and privacy measures in place.

**Highlights:** Anonymized throat image capture, Laboratory test result upload, Remote data storage, Password-protected access, Age and gender data collection, Confidentiality and data handling policies

**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 StrepApp free?

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

### Which has better reviews, STI Tx Guide or StrepApp?

STI Tx Guide is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while StrepApp averages 2.7 from 7 ratings.

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

Neither STI Tx Guide nor StrepApp shows ads.

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

STI Tx Guide ships an update every 2 months, and StrepApp fortnightly. Most recently, STI Tx Guide was updated on August 28, 2026 and StrepApp on September 11, 2026.

---

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