# STI Tx Guide vs Charting Hero

The clearest difference is rating: Charting Hero at 5.0 against STI Tx Guide's 3.5. Charting Hero also leads on update cadence (every 3 weeks vs every 8 months) and iOS requirement (13.4 vs 18.0). STI Tx Guide's advantage is ratings volume (36 vs 2). 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.

Charting Hero holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: STI Tx Guide has 36 ratings behind it against 2, so its average is the more settled of the two.

STI Tx Guide ships an update every 8 months, Charting Hero every 3 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | Charting Hero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/charting-hero/id6502080569/reviews)** |
| Number of ratings | **36** | 2 |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 11 MB |
| Requires iOS | 18.0 | **13.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Chris Montanaro](https://appshunter.io/developer/617089119) |

## 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


### Charting Hero

[App page](https://appshunter.io/ios/app/charting-hero/id6502080569)

This medical scribe platform uses real-time transcription and personalized templates to help healthcare providers create structured patient notes efficiently. It offers coding suggestions and ensures HIPAA compliance, reducing administrative burden so providers can focus on patient care.

**Highlights:** Real-time voice transcription, Personalized note templates, Coding suggestions (CPT/ICD-10), HIPAA-compliant security, Cloud-based access, Customizable templates

**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 Charting Hero free?

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

### Which has better reviews, STI Tx Guide or Charting Hero?

Charting Hero is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while Charting Hero averages 5.0 from 2 ratings.

### Do STI Tx Guide or Charting Hero have ads?

Neither STI Tx Guide nor Charting Hero shows ads.

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

STI Tx Guide ships an update every 8 months, and Charting Hero every 3 weeks. Most recently, STI Tx Guide was updated on November 1, 2026 and Charting Hero on October 24, 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.*