Comparison

STI Tx Guide vs DynaMed

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

STI Tx Guide

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
Read full description

The new app offers quick and easy access to streamlined STI prevention, diagnosis, and treatment recommendations. The user-friendly interface includes more clinical care guidance, sexual history resources, patient materials, and other features to assist with patient management. The STI Treatment (Tx) Guidelines mobile app serves as a quick reference guide for doctors and related parties on the identification of and treatment for sexually transmitted diseases (STDs). The full STI Treatment Guidelines (cdc.gov) can be accessed at https://www.cdc.gov/std/treatment-guidelines/default.htm. The guidelines provide current evidence-based prevention, diagnostic and treatment recommendations that replace the 2015 guidance. The recommendations are intended to be a source for clinical guidance. Healthcare providers should always assess patients based on their clinical circumstances and local burden. DISCLAIMER THE MATERIALS EMBODIED IN THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE CENTERS FOR DISEASE CONTROL AND PREVENTION (CDC) OR THE UNITED STATES (U.S.) GOVERNMENT BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSE OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR NOT CDC OR THE U.S. GOVERNMENT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.

About

DynaMed

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
Read full description

DynaMed is a trusted, evidence-based clinical decision support tool designed by clinicians, for clinicians, to help make faster, more informed decisions at the point of care. Rigorous daily review of medical literature by our editorial team of expert physicians and methodologists ensures timely and objective analysis, synthesis, and guidance are always at your fingertips. Now available with Dyna AI* for faster, trusted answers to your clinical queries. Dyna AI synthesizes DynaMed content into actionable, concise responses with full transparency into source references. What You Can Do with DynaMed • Access clinically relevant answers at the point of care. • Review evidence and expert interpretation with clear transparency. • Stay current with daily updates based on ongoing literature surveillance. • Access content seamlessly across mobile and desktop experiences. • Use content online or offline. Who Can Use This App: This app is designed for physicians, advanced practice providers, nurses, pharmacists, trainees, and other healthcare professionals with access to DynaMed through their institution. Why Clinicians Choose DynaMed: DynaMed helps clinicians make informed decisions with confidence by delivering trusted evidence, expert analysis, and practical guidance wherever care happens. *Dyna AI availability is dependent on your subscription and access level.

Screenshots

STI Tx Guide4 screens
DynaMed4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
STI Tx Guide versus DynaMed: the parameters behind the verdict, then further details
ParameterSTI Tx GuideDynaMed
PriceFreeFree
Rating3.5 (36 ratings)4.9 (3.5K ratings) — better
Positive reviews35.7% of reviews55.6% of reviews — better
Number of ratings363.5K — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better18.4
Further details — not scored
Size36 MB37 MB
Age rating12+17+
DeveloperCenters For Disease Control and PreventionEBSCO Publishing

Customer experience

STI Tx Guide

All ratings36 ratings
Positive63.9%
Neutral2.8%
Negative33.3%
Written reviews14 reviews
Positive35.7%
Neutral7.1%
Negative57.1%

DynaMed

All ratings3,522 ratings
Positive98.1%
Neutral0.9%
Negative1.0%
Written reviews133 reviews
Positive55.6%
Neutral6.8%
Negative37.6%

Bugs and requests

STI Tx Guide

Not enough reviews yet to summarise bugs or requests.

DynaMed

Reported bugs

5 issues
  • 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

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

In-app purchases

None

STI Tx Guide

No in-app purchases

None

DynaMed

No in-app purchases

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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