Comparison

STI Tx Guide vs WHO Contraception tool

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

WHO Contraception tool

This digital tool provides medical eligibility criteria for initiating various contraceptive methods. It guides healthcare providers in recommending safe and effective family planning options for women with specific medical conditions or characteristics.

Highlights
  • Digital MEC Wheel
  • Contraceptive method eligibility
  • Guidance for family planning providers
  • Recommendations for women with medical conditions
  • Covers nine common contraceptive methods
Features
Read full description

This tool is the digital version of the MEC Wheel. It contains the medical eligibility criteria for starting use of contraceptive methods, based on Medical Eligibility Criteria for Contraceptive Use, 5th edition (2015), one of WHO’s evidence-based guidelines. It guides family planning providers in recommending safe and effective contraception methods for women with medical conditions or medically-relevant characteristics. The tool includes recommendations on initiating use of nine common types of contraceptive methods: 1. Combined pills, COC (low dose combined oral contraceptives, with ≤ 35 μg ethinyl estradiol) 2. Combined contraceptive patch, P 3. Combined contraceptive vaginal ring, CVR 4. Combined injectable contraceptives, CIC 5. Progestogen-only pills, POP 6. Progestogen-only injectables, DMPA (IM,SC)/NET-EN (depot medroxyprogesterone acetate intramuscular or subcutaneous or norethisterone enantate intramuscular) 7. Progestogen-only implants, LNG/ETG (levonorgestrel or etonogestrel) 8. Levonorgestrel-releasing intrauterine device, LNG-IUD 9. Copper-bearing intrauterine device, Cu-IUD

Screenshots

STI Tx Guide4 screens
WHO Contraception tool4 screens

Verdict

The call

The clearest difference is review sentiment: STI Tx Guide at 36% against WHO Contraception tool's 0%. STI Tx Guide also leads on ratings volume (36 vs 4). WHO Contraception tool's advantage is rating (4.0 vs 3.5) and iOS requirement (13.0 vs 18.0). 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

WHO Contraception tool holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: STI Tx Guide has 36 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 36% of STI Tx Guide's written reviews are positive against 0% of WHO Contraception tool's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

STI Tx Guide ships an update every 8 months, WHO Contraception tool every 15 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
STI Tx Guide versus WHO Contraception tool: the parameters behind the verdict, then further details
ParameterSTI Tx GuideWHO Contraception tool
PriceFreeFree
Rating3.5 (36 ratings)4.0 (4 ratings) — better
Positive reviews35.7% of reviews — better0.0% of reviews
Number of ratings36 — better4
Update frequencyEvery 8 months — betterEvery 15 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size31 MB14 MB
Age rating12+17+
DeveloperCenters For Disease Control and PreventionRC DIGITAL LTD OOD

Customer experience

STI Tx Guide

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

WHO Contraception tool

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

STI Tx Guide

No in-app purchases

None

WHO Contraception tool

No in-app purchases

Questions

Is STI Tx Guide free?
STI Tx Guide is free to download, with no in-app purchases.
Is WHO Contraception tool free?
WHO Contraception tool is free to download, with no in-app purchases.
Which has better reviews, STI Tx Guide or WHO Contraception tool?
WHO Contraception tool is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while WHO Contraception tool averages 4.0 from 4 ratings.
Do STI Tx Guide or WHO Contraception tool have ads?
Neither STI Tx Guide nor WHO Contraception tool shows ads.
Which is updated more often, STI Tx Guide or WHO Contraception tool?
STI Tx Guide ships an update every 8 months, and WHO Contraception tool every 15 months. Most recently, STI Tx Guide was updated on November 1, 2026 and WHO Contraception tool on October 29, 2026.

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