Comparison

STI Tx Guide vs StrepApp

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

StrepApp

This medical app allows authorized users to capture and upload anonymized images of throats suspected of strep throat, along with lab results. Data is stored remotely for research and reference, with strict password protection and privacy measures in place.

Highlights
  • Anonymized throat image capture
  • Laboratory test result upload
  • Remote data storage
  • Password-protected access
  • Age and gender data collection
  • Confidentiality and data handling policies
Features
Read full description

StrepApp is an app to collect anonymized captured images of a Study Subject’s throat with suspecting group A Streptococcus (GAS) pharyngitis. The images and the corresponding laboratory test results will be uploaded to a remote database for post-processing storage and reference. The app is password-protected, so only authorized users can use the app to capture and upload images. Only the patient’s ages and gender are stored, no other PHIs are stored in the remote database. For access to the application please contact via Email: tnnguyen@cnmc.org Link to CNMC IRB app and its process approval is: https://www.dropbox.com/s/o2enu7l6qlhzb8s/Correspondence%20Letter%20for%20Pro00014100CA.pdf?dl=0 - information about confidentiality and handling of data (including any sharing with third parties) Information and Data handling is clearly defined in our Privacy policy. https://ngoctrong29.wixsite.com/home/strepapp - a point of contact for participant questions Trong Nguyen, PhD Email: tnnguyen@cnmc.org Mobile: 217-721-4677

Screenshots

STI Tx Guide4 screens
StrepApp4 screens

Verdict

The call

The clearest difference is rating: STI Tx Guide at 3.5 against StrepApp's 2.7. STI Tx Guide also leads on review sentiment (36% vs 0%) and ratings volume (36 vs 7). StrepApp's advantage is update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model 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

STI Tx Guide holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: STI Tx Guide has 36 ratings behind it against 7, 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 0% of StrepApp's.

UpkeepUpdate frequency

STI Tx Guide ships an update every 2 months, StrepApp fortnightly. The most recent releases landed on August 28, 2026 and September 11, 2026 respectively.

Scorecard4 real differences · 6 level
STI Tx Guide versus StrepApp: the parameters behind the verdict, then further details
ParameterSTI Tx GuideStrepApp
PriceFreeFree
Rating3.5 (36 ratings) — better2.7 (7 ratings)
Positive reviews35.7% of reviews — better0.0% of reviews
Number of ratings36 — better7
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.6
Further details — not scored
Size36 MB44 MB
Age rating12+17+
DeveloperCenters For Disease Control and PreventionAuscultech DX

Customer experience

STI Tx Guide

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

StrepApp

All ratings7 ratings
Positive42.9%
Neutral0.0%
Negative57.1%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

STI Tx Guide

No in-app purchases

None

StrepApp

No in-app purchases

Questions

Is STI Tx Guide free?
STI Tx Guide is free to download, with no in-app purchases.
Is StrepApp free?
StrepApp is free to download, with no in-app purchases.
Which has better reviews, STI Tx Guide or StrepApp?
STI Tx Guide is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while StrepApp averages 2.7 from 7 ratings.
Do STI Tx Guide or StrepApp have ads?
Neither STI Tx Guide nor StrepApp shows ads.
Which is updated more often, STI Tx Guide or StrepApp?
STI Tx Guide ships an update every 2 months, and StrepApp fortnightly. Most recently, STI Tx Guide was updated on August 28, 2026 and StrepApp on September 11, 2026.

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