# STI Tx Guide vs NRCME Test Prep

The clearest difference is review sentiment: STI Tx Guide at 36% against NRCME Test Prep's 0%. STI Tx Guide also leads on in-app purchases (none vs 4) and update cadence (every 2 months vs every 59 months). NRCME Test Prep's advantage is iOS requirement (13.0 vs 15.0). On price there is nothing between them.

Both are free to download. NRCME Test Prep sells 4 one-off in-app purchases. STI Tx Guide asks for nothing beyond the download.

STI Tx Guide ships an update every 2 months, NRCME Test Prep every 59 months. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | NRCME Test Prep |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 59 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 12+ | 12+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Med Preps LLC](https://appshunter.io/developer/537568868) |

## 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


### NRCME Test Prep

[App page](https://appshunter.io/ios/app/nrcme-test-prep/id1017927519)

Prepare for the National Registry of Certified Medical Examiners (NRCME) certification exam with a comprehensive bank of practice questions. Features include offline access, gamified study modes, and detailed performance tracking to focus on weak areas.

**Highlights:** Full bank of practice questions, Offline access, Gamified Game View, Quick Start for weakest categories, Review Incorrect and Flagged, Live accuracy and mastery scores

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 48-Hour Access | $39.99 | one-time |
| 30-Day Access | $69.99 | one-time |
| NRCME Test Prep - Pro Version | $99.99 | one-time |
| Unlimited Access | $99.99 | one-time |


## Frequently asked questions

### Is STI Tx Guide free?

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

### Is NRCME Test Prep free?

NRCME Test Prep is free to download, with in-app purchases available.

### Which is updated more often, STI Tx Guide or NRCME Test Prep?

STI Tx Guide ships an update every 2 months, and NRCME Test Prep every 59 months. Most recently, STI Tx Guide was updated on October 17, 2026 and NRCME Test Prep on October 6, 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.*