Comparison

Preterm Growth Tracker vs NeoFast Calc

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

Head to head
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

About

NeoFast Calc

This medical reference tool simplifies daily tasks for healthcare professionals caring for newborns and children. It provides evidence-based prescribing assistance, drug interaction information, and detailed drug data. The app aims to enhance safety and efficiency during medical duties.

Highlights
  • Prescriptive drug dosing assistance
  • Drug interaction details
  • Adverse reaction information
  • International brand names
  • Dose adjustment for renal/hepatic impairment
  • Extensive drug presentation database
Features
Read full description

An intuitive tool that aims to make the daily routine of all healthcare professionals who care for children and newborns easier. This application is based on several sources from national and international literature to assist in prescribing according to the dose stipulated by the neonatologist. In addition, it has a range of additional information on drug interactions, antagonists (in cases of poisoning or overdose), adverse reactions, international brands names, stability and conservation, dose adjustment in renal and hepatic impairment, general guidelines, etc. It also has more than 990 drug presentations and more than 160 worldwide bibliographic references. Therefore, it is a tool that ensures safety and agility on medical duty. Privacy Policy (EULA): https://neofastapp.com/privacy-terms/ Terms of use: https://neofastapp.com/privacy-terms/

Screenshots

Preterm Growth Tracker4 screens
NeoFast Calc4 screens

Verdict

The call

The clearest difference is review sentiment: NeoFast Calc at 80% against Preterm Growth Tracker's 50%. NeoFast Calc also leads on update cadence (fortnightly vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Preterm Growth Tracker sells 2 one-off in-app purchases and NeoFast Calc sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Preterm Growth Tracker ships an update every 2 months, NeoFast Calc fortnightly. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Preterm Growth Tracker versus NeoFast Calc: the parameters behind the verdict, then further details
ParameterPreterm Growth TrackerNeoFast Calc
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews50.0% of reviews80.0% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size2 MB195 MB
Age rating+417+
DeveloperQuatrian Inc.Ponto Direto Tech Ltda

Customer experience

Preterm Growth Tracker

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

NeoFast Calc

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

2 purchases

Preterm Growth Tracker

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

NeoFast Calc

Subscriptions2
  • NeoFast® - Monthly Plan1 Month trial$5.991 Month
  • NeoFast® - Yearly Plan1 Month trial$59.991 Year

Questions

Is Preterm Growth Tracker free?
Preterm Growth Tracker is free to download, with in-app purchases available.
Is NeoFast Calc free?
NeoFast Calc is free to download, with in-app purchases available.
Do Preterm Growth Tracker or NeoFast Calc have ads?
Neither Preterm Growth Tracker nor NeoFast Calc shows ads.
Which is updated more often, Preterm Growth Tracker or NeoFast Calc?
Preterm Growth Tracker ships an update every 2 months, and NeoFast Calc fortnightly. Most recently, Preterm Growth Tracker was updated on October 13, 2026 and NeoFast Calc on October 25, 2026.

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