# InfantRisk HCP vs STI Tx Guide

The clearest difference is rating: InfantRisk HCP at 4.6 against STI Tx Guide's 3.5. InfantRisk HCP also leads on update cadence (every 2 weeks vs every 2 months) and chart position (#88 vs unranked). STI Tx Guide's advantage is in-app purchases (none vs 1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. InfantRisk HCP sells 1 one-off in-app purchase. STI Tx Guide asks for nothing beyond the download.

InfantRisk HCP holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 161 and 36 respectively. Written reviews point the same way: 39% of InfantRisk HCP's written reviews are positive against 36% of STI Tx Guide's.

InfantRisk HCP ships an update every 2 weeks, STI Tx Guide every 2 months. The most recent releases landed on September 24, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | InfantRisk HCP | STI Tx Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (161 ratings)](https://appshunter.io/ios/app/infantrisk-hcp/id449136121/reviews)** | [3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews) |
| Number of ratings | **161** | 36 |
| Positive reviews | **38.6% of reviews** | 35.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#88** | — |
| Size | 37 MB | 36 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Texas Tech University Health Sciences Center](https://appshunter.io/developer/447778476) | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) |

## What reviewers say

### InfantRisk HCP

[App page](https://appshunter.io/ios/app/infantrisk-hcp/id449136121)

**Currently charting:** #88 Top Grossing · Medical (US App Store)

Provides healthcare professionals with rapid, evidence-based information on medication safety for pregnant and breastfeeding patients. Make confident treatment decisions quickly with drug safety ratings and concise summaries for over 70,000 medications.

**Highlights:** Quick drug safety ratings (1-5), Pregnancy and breastfeeding safety data, 70,000+ medication summaries, Comparison of safety ratings, Monthly data updates

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InfantRisk Annual Subscription | $14.99 | one-time |


### 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


## Frequently asked questions

### Is InfantRisk HCP free?

InfantRisk HCP is free to download, with in-app purchases available.

### Is STI Tx Guide free?

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

### Which has better reviews, InfantRisk HCP or STI Tx Guide?

InfantRisk HCP is rated higher. InfantRisk HCP averages 4.6 out of 5 from 161 ratings, while STI Tx Guide averages 3.5 from 36 ratings.

### Do InfantRisk HCP or STI Tx Guide have ads?

Neither InfantRisk HCP nor STI Tx Guide shows ads.

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

InfantRisk HCP ships an update every 2 weeks, and STI Tx Guide every 2 months. Most recently, InfantRisk HCP was updated on September 24, 2026 and STI Tx Guide on August 28, 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.*