Comparison

STI Tx Guide vs HPVcancerFree

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

HPVcancerFree

This app provides parents with factual information about the HPV vaccine, its safety, and effectiveness. It helps address common myths and facilitates discussions with pediatricians, offering tools to schedule vaccinations and set reminders.

Highlights
  • HPV infection and disease information
  • Vaccine safety and effectiveness details
  • Vaccination schedule and recommendations
  • Myth-busting common misconceptions
  • Pediatrician discussion preparation
  • Vaccine appointment scheduling
  • Appointment reminders
Features
Read full description

As a parent, you want to do what's best to protect your children. Unfortunately, there’s a lot of confusing and conflicting information about the HPV vaccine. That’s why we want you to know the facts. HPVCancerFree was created specifically for Texas Children’s Pediatrics (TCP) parents… to learn more about the HPV vaccine and how to get it for your child. HPVCancerFree is a collaboration between researchers and healthcare providers at Texas Children’s Pediatrics, the University of Texas Health Science Center at Houston (UTHealth) School of Public Health, and Baylor College of Medicine. HPVCancerFree contains information about: • HPV infection and diseases caused by HPV • The HPV vaccine – its purpose, safety, and effectiveness • HPV vaccination schedule and recommendations • Talking to your child’s pediatrician about the HPV vaccine • How to get the HPV vaccine for your child Features include: HPV A-Z: Learn more about HPV and the HPV vaccine. Bust a Myth: Get the facts on some common myths about HPV and read what TCP pediatricians and parents have to say about these myths. Notes 4 Doc: Record questions you have for your child’s pediatrician about the HPV vaccine. Get the Vax: Set up an appointment to get your child vaccinated and schedule vaccine appointment reminders. Funding for this app is provided by the Cancer Prevention and Research Institute of Texas (CPRIT).

Screenshots

STI Tx Guide4 screens
HPVcancerFree4 screens

Verdict

The call

The clearest difference is rating: HPVcancerFree at 5.0 against STI Tx Guide's 3.5. STI Tx Guide's advantage is ratings volume (36 vs 2) and update cadence (every 2 months vs every 6 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

HPVcancerFree 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.

UpkeepUpdate frequency

STI Tx Guide ships an update every 2 months, HPVcancerFree every 6 months. The most recent releases landed on August 28, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 7 level
STI Tx Guide versus HPVcancerFree: the parameters behind the verdict, then further details
ParameterSTI Tx GuideHPVcancerFree
PriceFreeFree
Rating3.5 (36 ratings)5.0 (2 ratings) — better
Positive reviews35.7% of reviews—
Number of ratings36 — better2
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.014.0 — better
Further details — not scored
Size36 MB24 MB
Age rating12+12+
DeveloperCenters For Disease Control and PreventionRadiant Creative Group, LLC

Customer experience

STI Tx Guide

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

HPVcancerFree

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

STI Tx Guide

No in-app purchases

None

HPVcancerFree

No in-app purchases

Questions

Is STI Tx Guide free?
STI Tx Guide is free to download, with no in-app purchases.
Is HPVcancerFree free?
HPVcancerFree is free to download, with no in-app purchases.
Which has better reviews, STI Tx Guide or HPVcancerFree?
HPVcancerFree is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while HPVcancerFree averages 5.0 from 2 ratings.
Do STI Tx Guide or HPVcancerFree have ads?
Neither STI Tx Guide nor HPVcancerFree shows ads.
Which is updated more often, STI Tx Guide or HPVcancerFree?
STI Tx Guide ships an update every 2 months, and HPVcancerFree every 6 months. Most recently, STI Tx Guide was updated on August 28, 2026 and HPVcancerFree on June 1, 2026.

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