Comparison

CDC Yellow Book vs Georgia TB Reference Guide

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

Head to head
About

CDC Yellow Book

Access the U.S. government's most current travel health guidelines, including vaccine recommendations and destination-specific advice. This app offers comprehensive information for staying healthy abroad, with features like search, notes, and favorites.

Highlights
  • Pre-travel vaccinations and preventative care
  • Destination-specific guidelines
  • Advice for travelers with specific health needs
  • Full text search
  • Custom notes and highlights
  • Reference maps, tables, and charts
Features
Read full description

**U.S. Government’s Most Current and Trusted Travel Health Guidelines** Preview, Buy, or Sign In using this app. FREE PREVIEW – Experience the Yellow Book to see the value of having trusted travel information when and where it's needed. ABOUT YELLOW BOOK The fully revised and updated 2020 CDC Yellow Book app delivers the U.S. government’s most current travel health guidelines, including pre-travel vaccine recommendations, destination-specific health advice, and easy-to-reference maps, tables, and charts. Authored by a team of the world’s most esteemed travel medicine experts, this app best codifies the U.S. Government’s latest travel guidelines to staying healthy anywhere in the world. Review dedicated topics on emerging infectious disease threats such as Zika, Ebola, and MERS, new cholera vaccine recommendations, updated guidance on the use of antibiotics to treat traveler’s diarrhea, special considerations for unique types of travel (i.e. wilderness expeditions, work-related travel, and studying abroad), and fully revised advice for specific destinations in international travel. FEATURES • Pre-travel vaccinations and preventative care • Destination specific guidelines with sections on Cuba and Burma • Advice for travelers with specific health needs (pregnant women, travelers with chronic illness, etc.) • Practical tips for last minute or resource limited travelers • Recommendations for air crews, humanitarian workers, missionaries, and others who provide care and support overseas • Easy to use reference maps, tables, and charts • Notes for making custom notes and highlights within entries • Full Text Search to find specific topics quickly • "Favorites" for bookmarking important topics EDITOR-IN-CHIEF: Gary W. Brunette Publisher: Oxford University Press Powered by: Unbound Medicine Unbound Privacy Policy: www.unboundmedicine.com/privacy Unbound Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement

About

Georgia TB Reference Guide

Access evidence-based tuberculosis guidance for quick clinical decision-making. This app transforms established TB standards into a searchable, digital experience, helping healthcare professionals focus on patient care.

Highlights
  • Evidence-based TB guidance
  • Searchable digital experience
  • Clinical decision support
  • TB infection, disease, and control information
  • Developed with expert input
Features
Read full description

The Georgia TB Reference Guide puts evidence-based tuberculosis guidance at your fingertips, helping you quickly find answers about TB infection, disease, and control—right when clinical decisions need to be made. So you can spend less time digging through documents and more time focusing on patient care this app is built for real-world workflows by transforming established TB standards into a clear, searchable, and easy-to-navigate digital experience. Developed with guidance informed by the American Thoracic Society (ATS), Centers for Disease Control and Prevention (CDC), Infectious Diseases Society of America (IDSA), World Health Organization (WHO), Emory University, and the Atlanta TB Prevention Coalition, the app reflects trusted expertise you rely on every day. The treatment of tuberculosis requires professional clinical judgment. This guide provides a framework for standardized TB care, supporting clinicians in decision-making while recognizing that care must be tailored to individual patients. The content is intended as an accessible reference, not an exhaustive source. As TB treatment and control guidelines continue to evolve, we encourage clinicians to stay informed about new and emerging recommendations. The Georgia TB Reference Guide app was redesigned and extensively updated in 2025 based on user feedback and new developments in the field of TB. Disclaimer: This app is intended for informational purposes only and should be used in conjunction with professional medical judgment and clinical guidance. Last content update: April 2026

Screenshots

CDC Yellow Book4 screens
Georgia TB Reference Guide4 screens

Verdict

The call

The clearest difference is review sentiment: Georgia TB Reference Guide at 100% against CDC Yellow Book's 20%. Georgia TB Reference Guide also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 2). CDC Yellow Book's advantage is ratings volume (69 vs 10). On price, ads, device support 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. CDC Yellow Book sells 1 one-off in-app purchase. Georgia TB Reference Guide asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Georgia TB Reference Guide holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: CDC Yellow Book has 69 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 20% of CDC Yellow Book's written reviews are positive against 100% of Georgia TB Reference Guide's.

UpkeepUpdate frequency

CDC Yellow Book ships an update every 21 months, Georgia TB Reference Guide every 6 weeks. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

Scorecard6 real differences · 4 level
CDC Yellow Book versus Georgia TB Reference Guide: the parameters behind the verdict, then further details
ParameterCDC Yellow BookGeorgia TB Reference Guide
PriceFreeFree
Rating4.2 (69 ratings)5.0 (10 ratings) — better
Positive reviews20.0% of reviews100.0% of reviews — better
Number of ratings69 — better10
Update frequencyEvery 21 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.4 — better
Further details — not scored
Size10 MB32 MB
Age rating17+17+
DeveloperUnbound Medicine, Inc.Emory University

Customer experience

CDC Yellow Book

All ratings68 ratings
Positive80.9%
Neutral1.5%
Negative17.6%
Written reviews10 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

Georgia TB Reference Guide

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

CDC Yellow Book

One-time1
  • CDC Yellow Book2 variants$29.99
None

Georgia TB Reference Guide

No in-app purchases

Questions

Is CDC Yellow Book free?
CDC Yellow Book is free to download, with in-app purchases available.
Is Georgia TB Reference Guide free?
Georgia TB Reference Guide is free to download, with no in-app purchases.
Which has better reviews, CDC Yellow Book or Georgia TB Reference Guide?
Georgia TB Reference Guide is rated higher. CDC Yellow Book averages 4.2 out of 5 from 69 ratings, while Georgia TB Reference Guide averages 5.0 from 10 ratings.
Do CDC Yellow Book or Georgia TB Reference Guide have ads?
Neither CDC Yellow Book nor Georgia TB Reference Guide shows ads.
Which is updated more often, CDC Yellow Book or Georgia TB Reference Guide?
CDC Yellow Book ships an update every 21 months, and Georgia TB Reference Guide every 6 weeks. Most recently, CDC Yellow Book was updated on October 22, 2026 and Georgia TB Reference Guide on October 21, 2026.

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