ACOG vs Prevent Group B Strep(GBS)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACOG
This app provides obstetricians and gynecologists with essential tools and resources for women's healthcare. Access clinical guidelines, practice advisories, and helpful calculators to support your medical practice.
- EDD Calculator
- Indicated Delivery tool (members only)
- Clinical Consensus documents
- Clinical Practice Guidelines
- Practice Advisories
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The American College of Obstetricians and Gynecologists Ob-Gyns: Download the ACOG app and stay connected with authoritative information from the leading experts in women’s health care. Get valuable tools, resources, and clinical guidelines to help you in your practice. • EDD Calculator – Calculate the due date according to guidelines jointly developed by ACOG, AIUM, and SMFM • Indicated Delivery (ACOG members only) – Provides members with suggestions related to the timing of delivery based on selected conditions, the patient’s EDD/EGA, and ACOG’s clinical guidance • Clinical Consensus, Clinical Practice Guidelines, and Practice Advisories – Get the latest on techniques, clinical management issues, and emerging issues in obstetric and gynecologic practice • And more!
Prevent Group B Strep(GBS)
This medical app provides customized, evidence-based recommendations for preventing neonatal Group B Strep (GBS) disease. It offers optimal antibiotic suggestions based on maternal and neonatal clinical information.
- Customized GBS prevention recommendations
- Evidence-based clinical guidance
- Optimal antibiotic recommendations
- Neonatal GBS disease prevention
- Maternal and neonatal clinical information
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This is the Prevent Group B Strep App created by the Centers for Disease Control and Prevention (CDC) with the American Academy of Pediatrics (AAP), American College of Obstetricians and Gynecologists (ACOG), American Academy of Family Physicians (AAFP), and the American College of Nurse-Midwives (ACNM). With this application, you can: 1. Obtain customized, evidence-based recommendations to prevent neonatal GBS disease based on a maternal and neonatal clinical information. 2.Obtain optimal antibiotic recommendations for GBS prevention. For more information, please visit: http://www.cdc.gov/groupbstrep/index.html
Screenshots
Verdict
The clearest difference is rating: ACOG at 4.9 against Prevent Group B Strep(GBS)'s 3.7. ACOG also leads on ratings volume (6.3K vs 6) and update cadence (every 3 months vs every 15 months). Prevent Group B Strep(GBS)'s advantage is iOS requirement (11.0 vs 17.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ACOG holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: ACOG has 6.3K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 90% of ACOG's written reviews are positive against 75% of Prevent Group B Strep(GBS)'s.
ACOG ships an update every 3 months, Prevent Group B Strep(GBS) every 15 months. The most recent releases landed on October 18, 2026 and September 27, 2026 respectively.
| Parameter | ACOG | Prevent Group B Strep(GBS) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (6.3K ratings) — better | 3.7 (6 ratings) |
| Positive reviews | 89.6% of reviews — better | 75.0% of reviews |
| Number of ratings | 6.3K — better | 6 |
| Update frequency | Every 3 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 27 MB |
| Age rating | 17+ | 12+ |
| Developer | Fountainhead Mobile Solutions | Centers For Disease Control and Prevention |
Customer experience
ACOG
Prevent Group B Strep(GBS)
Bugs and requests
ACOG
Reported bugs
2 issues- App crashes on launch after updates
- Compatibility issues with older iOS versions
Requested features
3 requests- Bishop score calculator
- More extensive search engine
- Improved user interface
Prevent Group B Strep(GBS)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ACOG
No in-app purchases
Prevent Group B Strep(GBS)
No in-app purchases
Questions
Is ACOG free?
Is Prevent Group B Strep(GBS) free?
Which has better reviews, ACOG or Prevent Group B Strep(GBS)?
Do ACOG or Prevent Group B Strep(GBS) have ads?
Which is updated more often, ACOG or Prevent Group B Strep(GBS)?
Other comparisons
