# STI Tx Guide vs DynaMed

The clearest difference is rating: DynaMed at 4.9 against STI Tx Guide's 3.5. DynaMed also leads on ratings volume (3.5K vs 36) and review sentiment (56% vs 36%). STI Tx Guide's advantage is iOS requirement (15.0 vs 18.4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

DynaMed holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: DynaMed has 3.5K ratings behind it against 36, 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 56% of DynaMed's.

STI Tx Guide ships an update every 2 months, DynaMed every 5 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | DynaMed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews) | **[4.9 (3.5K ratings)](https://appshunter.io/ios/app/dynamed/id986105980/reviews)** |
| Number of ratings | 36 | **3.5K** |
| Positive reviews | 35.7% of reviews | **55.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 36 MB | 37 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [EBSCO Publishing](https://appshunter.io/developer/433269590) |

## 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


### DynaMed

[App page](https://appshunter.io/ios/app/dynamed/id986105980)

This tool provides clinicians with efficient, evidence-based patient care guidance. It offers timely analysis and synthesis of medical literature, updated daily by medical professionals. Mobile access ensures continuous work with syncing between desktop and mobile devices.

**Highlights:** Evidence-based patient care guidance, Daily medical literature review, Objective analysis and synthesis, Physician-authored content, Mobile access with syncing, On-the-go clinical support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Concise and organized information
- 🚀 More up-to-date than UpToDate
- 🚀 Comprehensive and evidence-based
- 👍 User-friendly interface
- 👍 Valuable point-of-care tool

**What reviewers complain about**

- 🐛 Crashes and bugs after updates
- 🐛 Frequent login issues
- 🐛 Downloading and storage issues
- 🐛 Clunky UI, not optimized for larger screens
- 🐛 Search function glitches

**Reported bugs**

- App crashes on iOS 14 update
- Downloading content gets stuck in loop
- Search function not working properly
- Frequent login issues
- App not opening on some devices

**Requested features**

- Dark mode option
- Improved search functionality
- Better organization of content
- More patient education resources
- Smoother offline access and content management


## Frequently asked questions

### Is STI Tx Guide free?

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

### Is DynaMed free?

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

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

DynaMed is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while DynaMed averages 4.9 from 3.5K ratings.

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

Neither STI Tx Guide nor DynaMed shows ads.

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

STI Tx Guide ships an update every 2 months, and DynaMed every 5 weeks. Most recently, STI Tx Guide was updated on October 8, 2026 and DynaMed on October 15, 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.*