Comparison

BiliBuddy 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

BiliBuddy

This app helps healthcare professionals determine the need for phototherapy or exchange therapy in newborns based on their age, bilirubin levels, and risk factors. It utilizes the latest American Academy of Pediatrics guidelines and displays results on interactive nomograms. The app also tracks infant data and provides links to relevant research.

Highlights
  • Calculates phototherapy threshold
  • Displays on nomograms
  • Calculates infant age
  • Views risk factors
  • Supports US and SI units
  • Tracks bilirubin measures
Features
Read full description

BiliBuddy supports clinicians assessing neonatal jaundice in infants born at 35 weeks of gestation or later. Use Quick Check to compare a total serum bilirubin reading with American Academy of Pediatrics (AAP) 2022 phototherapy, escalation-of-care, and exchange-transfusion thresholds. Enter age in hours, gestation, and additional neurotoxicity risk factors. View the result and threshold charts in mg/dL or µmol/L. Track infants locally to review reading history, plot trends, and calculate the rate of rise. A date-and-time calculator helps determine age at measurement. Share a text result summary using the device's share sheet. The 2022 guideline is selected by default. An optional legacy AAP 2004 pathway is available in Settings, with its supported chart range clearly identified. Reference material and links to source guidelines are included. Clinical entries are stored on the device. Usage analytics is optional and off by default. Advertising and crash diagnostics use third-party services described in the in-app Privacy Notice. An in-app purchase removes ads, and Restore Purchases restores an eligible prior purchase. For clinician use. BiliBuddy does not replace clinical judgment, clinical assessment, or consultation of the source guideline. It is not an electronic health record. Do not use outside the supported age and gestation ranges.

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
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

BiliBuddy1 screens
Red Book®4 screens

Verdict

The call

BiliBuddy and Red Book® both sit at 4.9 stars, but that hides the real split: 85% of BiliBuddy's written reviews are positive against 0% of Red Book®'s. BiliBuddy also leads on update cadence (every 4 weeks vs every 11 months) and ratings volume (258 vs 67). Red Book®'s advantage is ads (none vs shown). On price, rating, 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. BiliBuddy sells 1 one-off in-app purchase and Red Book® sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for BiliBuddy against 4.8 for Red Book®. Both are backed by a comparable volume of ratings — 258 and 67 respectively. Written reviews are what separate them: 85% of BiliBuddy's written reviews are positive against 0% of Red Book®'s.

UpkeepUpdate frequency

BiliBuddy ships an update every 4 weeks, Red Book® every 11 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
BiliBuddy versus Red Book®: the parameters behind the verdict, then further details
ParameterBiliBuddyRed Book®
PriceFreeFree
Rating4.9 (258 ratings) — better4.8 (67 ratings)
Positive reviews84.6% of reviews — better0.0% of reviews
Number of ratings258 — better67
Update frequencyEvery 4 weeks — betterEvery 11 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.115.0 — better
Further details — not scored
Size30 MB9 MB
Age rating17+17+
DeveloperCovenant Data Systems, LLCUnbound Medicine, Inc.

Customer experience

BiliBuddy

All ratings258 ratings
Positive98.1%
Neutral0.4%
Negative1.6%
Written reviews13 reviews
Positive84.6%
Neutral0.0%
Negative15.4%

Red Book®

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

In-app purchases

1 purchases

BiliBuddy

One-time1
  • Remove Ads$6.99
2 purchases

Red Book®

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

Questions

Is BiliBuddy free?
BiliBuddy is free to download, with in-app purchases available.
Is Red Book® free?
Red Book® is free to download, with in-app purchases available.
Which has better reviews, BiliBuddy or Red Book®?
BiliBuddy is rated higher. BiliBuddy averages 4.9 out of 5 from 258 ratings, while Red Book® averages 4.8 from 67 ratings.
Do BiliBuddy or Red Book® have ads?
BiliBuddy shows ads; Red Book® does not.
Which is updated more often, BiliBuddy or Red Book®?
BiliBuddy ships an update every 4 weeks, and Red Book® every 11 months. Most recently, BiliBuddy was updated on October 14, 2026 and Red Book® on October 15, 2026.

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