Comparison

Face2Gene vs Red Book®

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

Head to head
About

Face2Gene

This app assists healthcare professionals in performing comprehensive genetic evaluations by detecting dysmorphic features and revealing related traits. It aids in discovering relevant genetic disorders and offers collaborative case review forums for diagnostic dilemmas. The tool is designed for informational purposes and requires medical training to use.

Highlights
  • Deep phenotyping for patient evaluation
  • Detect dysmorphic features and traits
  • Discover related genetic disorders
  • Access London Medical Database
  • Collaborative case review forums
  • HIPAA and GDPR compliant
Features
Read full description

*** Face2Gene is designated to be used solely by healthcare professionals and should not be used by anyone without proper medical training. *** A phenotyping app that facilitates comprehensive and precise genetic evaluations. The Face2Gene app includes the following features: Clinic – Enhanced Patient Evaluation with Deep Phenotyping * Detect Dysmorphic Features & Reveal Related Traits * Discover Relevant Genetic Disorders * Includes London Medical Database (LMD) * Access to the Pediatrician View Forums - Collaborative Case Review for Diagnostic Dilemmas * Share cases in secure group forums * Comment on other cases and receive feedback on your cases * Community created solely for health care professionals Compliant with HIPAA and GDPR privacy rules and standards. Face2Gene is a search & reference tool provided for informational purposes and not intended to replace the clinician’s judgment or experience, nor should it be used to diagnose or treat medical conditions.

About

Red Book®

This app provides the latest information on pediatric infectious diseases from the American Academy of Pediatrics. It includes immunization schedules, vaccine status, influenza resources, and new chapters on COVID-19 and Mpox. Features like note-taking and enhanced search aid quick access to essential medical data.

Highlights
  • Immunization schedules
  • Vaccine status table
  • Influenza resources
  • COVID-19 and Mpox chapters
  • Note-taking and highlighting
  • Enhanced search functionality
Features
Currently charting
Read full description

** The Red Book is the foundational resource on pediatric infectious disease** Featuring content from the latest edition, the Red Book: 2024–2027 Report of the Committee on Infectious Diseases from the American Academy of Pediatrics (AAP) provides the most up-to-date information on a wide variety of infectious diseases that physicians encounter in children. Written and edited by leading experts in the field, along with contributions from the CDC, the FDA, and hundreds of other professionals, this resource stands as the most authoritative and comprehensive available. The Red Book features: * Immunization Schedules - Recommended immunization and catch-up schedules for infants, children, adolescents, and young adults. * Vaccine Status Table - Current information about recently submitted, licensed, and recommended vaccines and biologics, including status of the FDA licensure process and related AAP/CDC recommendations. * Influenza Resources - A comprehensive collection of information on influenza, serving as a centralized reference for vaccine guidance, prevention, treatment, payment policies, news, and other relevant details for infants, children, adolescents, and young adults. * Standardized approaches to disease prevention through immunizations, antimicrobial prophylaxis, and infection-control practices have been updated throughout the Red Book. * Two new chapters on Covid-19 and Mpox have been added. * The System-Based Treatment Table has been reordered so that the grouped recommendations by body system are more easily and quickly accessed. * Greatly expanded tables, figures and algorithms enable quick access to essential information. * The Breastfeeding and Human Milk chapter was updated to align with information from the latest AAP policy statement on breastfeeding. * The listing of Codes for Commonly Administered Pediatric Vaccines, Toxoids, and Immune Globulins has been expanded. * Reference to evidence-based policy recommendations have been updated throughout the Red Book. Unbound Medicine Features: * Highlighting and note-taking within entries * “Favorites” for bookmarking important topics * Enhanced Search to find topics quickly * Prime PubMed links to the primary literature Author: Committee on Infectious Diseases Publisher: American Academy of Pediatrics Editor: David W. Kimberlin, MD, FAAP; Associate Editors: Ritu Banerjee, MD, PhD, FAAP, Elizabeth D. Barnett, MD, FAAP; Ruth Lynfield, MD, FAAP; and Mark H. Sawyer, MD, FAAP Powered By: Unbound Medicine Unbound Medicine Privacy Policy: https://www.unboundmedicine.com/privacy Unbound Medicine Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement

Screenshots

Face2Gene4 screens
Red Book®4 screens

Verdict

The call

The clearest difference is rating: Red Book® at 4.8 against Face2Gene's 2.1. Red Book® also leads on chart position (#196 vs unranked) and device support (4 vs 2). Face2Gene's advantage is in-app purchases (none vs 2) and update cadence (every 3 months vs every 11 months). On price, ratings volume, ads and iOS requirement 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. Red Book® sells 2 one-off in-app purchases. Face2Gene asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Red Book® holds the better App Store score, 4.8 against 2.1. Both are backed by a comparable volume of ratings — 55 and 67 respectively. Written reviews complicate that: 17% of Face2Gene's written reviews are positive against 0% of Red Book®'s, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Face2Gene ships an update every 3 months, Red Book® every 11 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 4 level
Face2Gene versus Red Book®: the parameters behind the verdict, then further details
ParameterFace2GeneRed Book®
PriceFreeFree
Rating2.1 (55 ratings)4.8 (67 ratings) — better
Positive reviews16.7% of reviews — better0.0% of reviews
Number of ratings5567 — better
Update frequencyEvery 3 months — betterEvery 11 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#196 — better
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS16.615.0 — better
Further details — not scored
Size43 MB9 MB
Age rating17+17+
DeveloperFDNAUnbound Medicine, Inc.

Customer experience

Face2Gene

All ratings55 ratings
Positive25.5%
Neutral5.5%
Negative69.1%
Written reviews24 reviews
Positive16.7%
Neutral8.3%
Negative75.0%

Red Book®

All ratings67 ratings
Positive94.0%
Neutral1.5%
Negative4.5%
Written reviews3 reviews
Positive0.0%
Neutral66.7%
Negative33.3%

In-app purchases

None

Face2Gene

No in-app purchases

2 purchases

Red Book®

One-time2
  • Red Book 32e$99.99
  • Red Book$99.99

Questions

Is Face2Gene free?
Face2Gene is free to download, with no in-app purchases.
Is Red Book® free?
Red Book® is free to download, with in-app purchases available.
Which has better reviews, Face2Gene or Red Book®?
Red Book® is rated higher. Face2Gene averages 2.1 out of 5 from 55 ratings, while Red Book® averages 4.8 from 67 ratings.
Do Face2Gene or Red Book® have ads?
Neither Face2Gene nor Red Book® shows ads.
Which is updated more often, Face2Gene or Red Book®?
Face2Gene ships an update every 3 months, and Red Book® every 11 months. Most recently, Face2Gene was updated on October 12, 2026 and Red Book® on October 13, 2026.

Other comparisons