Comparison

DrugDoses vs Preterm Growth Tracker

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

Head to head
About

DrugDoses

Provides precise medication dosages and critical medical information for healthcare professionals, particularly in pediatric intensive care. Includes extensive drug listings, lab values, cardiology data, and pediatric calculation tools for enhanced patient safety and treatment.

Highlights
  • Extensive drug database (2,150+ entries)
  • Pediatric calculation tools (PedCalc)
  • Lab values and cardiology database
  • Up-to-date medication information
  • Adult and pediatric drug listings
Features
Read full description

Designed for pediatric intensivists, DrugDoses provides precise and up-to-date medication information to ensure the safety and recovery of your patients. With over 2,150 drug entries, it’s a comprehensive resource for commonly prescribed drugs for both adults and children. Frank Shann’s DrugDoses booklet has been a trusted tool for nearly 40 years. The iOS version keeps you at the forefront of therapeutic advancements, updating drug information faster than the paper version. Beyond drug listings, the app includes over 150 lab values and a complete cardiology database, making it a versatile resource for critical medical information. The integrated PedCalc tool offers essential pediatric scores and formulas, including: ASA score Alveolo-arterial gradient Anion gap Apgar score Blunt abdominal trauma score Body mass index Body surface area Corrected Ca Creatinine clearance (measured & estimated) Endotracheal tube sizes FeNa Glasgow Coma Score Glasgow Outcome Scale Ideal Body Weight Maintenance fluids Mallampati score NACA score Neonatal central lines Oxygen index PaO2/FiO2 ratio Parkland formula Pediatric trauma score Predicted height & spirometry values QTc interval Tubular phosphate reabsorption Vital Signs Follow us on Facebook (http://facebook.drugdoses.net) for updates and to share suggestions. Our Privacy Policy is available at www.drugdoses.net/privacy. DISCLAIMER: The information provided in this app is intended for educational purposes only and should not be considered as medical advice. It is based on the reference: Drug Doses, by Frank Shann, 17th edition, Melbourne, Australia, 2017, Collective Pty, Limited, ISBN: 9780648005308. While every effort has been made to ensure the accuracy of the content, the authors and developers cannot guarantee that it is free from errors or omissions. Users are responsible for making their own clinical decisions based on the information provided in this app. By using this app, you acknowledge that: - You are a healthcare professional. - You understand that the information provided is for educational purposes only. - You should consult relevant medical literature or colleagues when making clinical decisions, as this app is not a substitute for professional judgment. - You take full responsibility for the clinical decisions you make based on the information provided. - You understand that the authors and developers are not liable for any errors or omissions in the content or for any outcomes related to its use. This disclaimer must be agreed to upon first use of the app and will remain accessible in the settings for future reference. For questions, suggestions, or feedback, please email us at info@drugdoses.net.

About

Preterm Growth Tracker

This app helps parents and medical professionals monitor the growth of premature babies. It utilizes the 2025 Fenton Third-Generation Growth Charts and allows for secure sharing of progress. Options are available for tracking one or multiple children.

Highlights
  • Track preterm infants (20-37 weeks gestation)
  • Measurements up to 67 weeks
  • Family version for two children (in-app purchase)
  • Professional version for unlimited children (in-app purchase)
  • Print charts to iOS printers
  • Email charts and data with password protection
  • Email importable child profiles
Features
Read full description

Preterm Growth Tracker is designed to help parents and medical professionals track the growth of preterm infants. The growth charts are based on the 2025 Fenton Third-Generation Growth Charts of Preterm Infants and the app has been developed in colaboration with the chart's author Tanis R. Fenton. Features include: * Tracking preterm infants with gestational age at birth from 20 weeks to 37 weeks * Tracking measurements up to 67 weeks * Family version allows tracking of two children (through in-app purchase) * Professional version allows tracking an unlimited number of childeren (through in-app purchase) * Printing chart to any iOS enabled printer * Emailing chart and data values with password protection * Emailing complete child profiles that can be imported by recipient * iPad and iPhone support

Screenshots

DrugDoses4 screens
Preterm Growth Tracker4 screens

Verdict

The call

The clearest difference is price: Preterm Growth Tracker at Free against DrugDoses's $14.99. Preterm Growth Tracker also leads on update cadence (every 2 months vs every 9 months). DrugDoses's advantage is rating (4.6 vs 4.0) and ratings volume (36 vs 1). On ads, in-app purchases and device support 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

Preterm Growth Tracker is free to download; DrugDoses costs $14.99 up front. DrugDoses sells 4 in-app purchases, starting at $4.99 per year and Preterm Growth Tracker 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

DrugDoses holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: DrugDoses has 36 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 64% of DrugDoses's written reviews are positive against 50% of Preterm Growth Tracker's.

UpkeepUpdate frequency

DrugDoses ships an update every 9 months, Preterm Growth Tracker every 2 months. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 3 level
DrugDoses versus Preterm Growth Tracker: the parameters behind the verdict, then further details
ParameterDrugDosesPreterm Growth Tracker
Price$14.99Free — better
Rating4.6 (36 ratings) — better4.0 (1 ratings)
Positive reviews64.4% of reviews — better50.0% of reviews
Number of ratings36 — better1
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size21 MB2 MB
Age rating17++4
DeveloperOliver KaramQuatrian Inc.

Customer experience

DrugDoses

All ratings36 ratings
Positive91.7%
Neutral2.8%
Negative5.6%
Written reviews59 reviews
Positive64.4%
Neutral15.3%
Negative20.3%

Preterm Growth Tracker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Bugs and requests

DrugDoses

Reported bugs

29 issues
  • Code blue not working
  • Cannot enter decimal in drug dosage
  • Purchase not restorable
  • License expiring unexpectedly
  • Payment issues (not allowed to make payment)
Show 24 more
  • App not compatible with iOS 8
  • Unable to open and use all functions on new iPhone
  • App won't work due to expired license
  • Paediatric dosage calculator disabled
  • Code Blue, PedCalc, PICU guidelines not working
  • App crashes or freezes
  • Cannot select lowest few drugs in search list
  • Features removed in updates
  • No calculator implementation
  • Information is scanty
  • UI and text formatting need improvement
  • Terrible typesetting reproduced
  • Cannot put decimal points in weight for calculations
  • Calculator not integrated with drug list
  • Palm PDA version was better
  • Missing normal vital signs by age
  • Missing estimated weight for age
  • Missing ET tube sizes by age
  • Missing intranasal fentanyl doses
  • Missing infusions compatibility table
  • Missing values for ETT sizes
  • Missing DC shock energy
  • Missing useful notes pages
  • Calculator not at bottom of screen

Requested features

38 requests
  • Add side effects and pharmacodynamics information
  • Improve text formatting and spacing
  • Support modern screen sizes
  • Add regular updates
  • Implement a restore purchase feature
Show 33 more
  • Fix license expiration issues
  • Add dark mode
  • Improve UI and text formatting
  • Add decimal points for weight calculations
  • Integrate calculator on each drug screen
  • Improve resuscitation calculator
  • Add infusions compatibility table
  • Include values for ETT sizes
  • Include DC shock energy
  • Include useful notes pages
  • Combine with PICU Guidelines app
  • Incorporate calculator with drug list for instant dose display
  • Add weight-based dose calculation
  • Add intranasal fentanyl doses
  • Add normal vital signs by age
  • Add estimated weight for age
  • Add ET tube sizes by age
  • Add calculator at bottom of screen
  • Update to iOS 8 compatibility
  • Fix bugs for iOS 8
  • Fix iPhone 6 plus compatibility
  • Fix babies between neonatal and 1yo weights for calculator
  • Keep Australian spelling
  • Acknowledge Frank Shann on load screen
  • Improve navigation within favourites list
  • Change first page back to book cover
  • Add weight input for drug dose display
  • Add roast potato recipe (joking)
  • Update to latest edition of Frank's book
  • Make app free or more affordable
  • Add more drug information
  • Improve calculator functionality
  • Add more features to resuscitation calculator

Preterm Growth Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

DrugDoses

Subscriptions1
  • One year license renewal$4.991 Year
One-time3
  • PedCalc 1st bundle$0.99
  • PICU Guidelines$4.99
  • Lifetime license$4.99
2 purchases

Preterm Growth Tracker

One-time2
  • Family version$6.99
  • Professional version$35.99

Questions

Is DrugDoses free?
DrugDoses costs $14.99, and also offers in-app purchases.
Is Preterm Growth Tracker free?
Preterm Growth Tracker is free to download, with in-app purchases available.
Which has better reviews, DrugDoses or Preterm Growth Tracker?
DrugDoses is rated higher. DrugDoses averages 4.6 out of 5 from 36 ratings, while Preterm Growth Tracker averages 4.0 from 1 ratings.
Do DrugDoses or Preterm Growth Tracker have ads?
Neither DrugDoses nor Preterm Growth Tracker shows ads.
Which is updated more often, DrugDoses or Preterm Growth Tracker?
DrugDoses ships an update every 9 months, and Preterm Growth Tracker every 2 months. Most recently, DrugDoses was updated on October 23, 2026 and Preterm Growth Tracker on October 13, 2026.

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