Comparison

Gestational Age Calculator App vs 4n6 Tools Lite

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

Head to head
About

Gestational Age Calculator App

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Gestational Age Calculator - Pregnancy Tracking Simplified **Your trusted companion for accurate pregnancy tracking and fetal development insights** The Gestational Age Calculator provides expectant parents and healthcare professionals with a precise, easy-to-use tool for monitoring pregnancy progress. Developed with medical guidelines in mind, our application offers multiple calculation methodologies to accommodate various pregnancy scenarios and provide personalized information throughout your 40-week journey. ## Comprehensive Calculation Methods Our calculator supports three scientifically-based calculation methods: • **Last Menstrual Period (LMP)**: The traditional Naegele's rule calculation with customizable cycle length adjustment for women with regular or irregular cycles • **Ultrasound Dating**: Input ultrasound measurements to calculate gestational age based on clinical assessments • **Conception Date**: For those who know their conception date, calculate precise timing for your pregnancy milestones ## Detailed Pregnancy Information Each calculation provides vital information at your fingertips: • Estimated Due Date (EDD) presented with day-of-week and full date format • Current gestational age displayed in weeks and days • Trimester identification with week ranges for context • Week-by-week fetal development descriptions that explain your baby's growth milestones ## Thoughtfully Designed Experience We've created an app that puts your needs first: • Clean, intuitive interface with a calming color palette • Responsive design that works across all device sizes • Offline functionality - no internet connection required • Input validation to ensure accurate calculations • Helpful notifications guide you through the calculation process • Professional medical disclaimer to encourage appropriate healthcare consultation ## Perfect For: • First-time parents wanting to understand pregnancy milestones • Experienced parents tracking subsequent pregnancies • Healthcare providers needing quick reference calculations • Family members wanting to follow the pregnancy journey • Anyone interested in learning about fetal development stages The Gestational Age Calculator is designed as an informational tool to complement professional medical care, not replace it. All calculations follow established obstetric guidelines, but individual pregnancies may vary. Always consult with your healthcare provider for personalized medical advice. Download now and gain peace of mind with accurate, accessible pregnancy tracking throughout your journey to parenthood.

About

4n6 Tools Lite

Features
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4n6 Tools Lite is the basic edition of 4n6 Tools Pro, professional calculators for forensic medicine built from everyday autopsy and external-examination practice. Seven tools work fully in Lite. You can open all the others as a preview and see what the full version offers. FULLY WORKING IN LITE • Henssge rectal-temperature nomogram: time since death with a 95 % interval, the date and time of death and a timeline • Post-mortem interval from vitreous potassium: four published methods • Traub index (glucose + lactate): ante-mortem glycaemia • BMI and nutritional status • Body surface area (BSA) and expected heart weight • Age from aortic circumferences • Unit converter (mg/dL ↔ mmol/L and more) for common analytes or a custom molar mass PREVIEW OF THE PRO TOOLS Tools marked Pro can be opened and browsed in Lite: the form, the method and the references. Lite does not calculate their results. Calculation, comparison and export are offered by the separate app 4n6 Tools Pro. THE FULL PRO VERSION 4n6 Tools Pro unlocks all 27 tools: post-mortem changes, forensic entomology, post-mortem toxicology (interpretation of ethanol and 67 substances against published reference levels), burns, blood groups and stains, skeletal sex and age, DVI, forensic odontology, photogrammetry, colorimeter, desmin immunohistochemistry and microscopy, plus a shared case report and case backup. A one-time purchase, no subscription. FEATURES • Light and dark mode • Results with an interval scale • Twelve languages: Slovak, English, Czech, German, Italian, French, Ukrainian, Polish, Hungarian, Chinese (Simplified), Spanish and Portuguese (Brazil) • Works offline, entirely on-device: sends nothing and collects nothing • Methods and references with every tool • Adjustable text size, including Dynamic Type FOR WHOM Physicians and specialists in forensic medicine and pathology, examining physicians, expert witnesses and, for teaching, medical students. IMPORTANT All results are orientational and based on published methods. The app is not a medical device and does not replace the professional judgement of the examining physician or expert.

Screenshots

Gestational Age Calculator App4 screens
4n6 Tools Lite4 screens

Verdict

The call

The clearest difference is ads: 4n6 Tools Lite at none against Gestational Age Calculator App's shown. 4n6 Tools Lite also leads on update cadence (every 5 days vs every 2 months). Gestational Age Calculator App's advantage is iOS requirement (14.0 vs 17.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gestational Age Calculator App ships an update every 2 months, 4n6 Tools Lite every 5 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
Gestational Age Calculator App versus 4n6 Tools Lite: the parameters behind the verdict, then further details
ParameterGestational Age Calculator App4n6 Tools Lite
PriceFreeFree
Update frequencyEvery 2 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size5 MB6 MB
Age rating12+12+
DeveloperAhmad Al HaririJan Sikuta

In-app purchases

None

Gestational Age Calculator App

No in-app purchases

None

4n6 Tools Lite

No in-app purchases

Questions

Is Gestational Age Calculator App free?
Gestational Age Calculator App is free to download, with no in-app purchases.
Is 4n6 Tools Lite free?
4n6 Tools Lite is free to download, with no in-app purchases.
Do Gestational Age Calculator App or 4n6 Tools Lite have ads?
Gestational Age Calculator App shows ads; 4n6 Tools Lite does not.
Which is updated more often, Gestational Age Calculator App or 4n6 Tools Lite?
Gestational Age Calculator App ships an update every 2 months, and 4n6 Tools Lite every 5 days. Most recently, Gestational Age Calculator App was updated on October 19, 2026 and 4n6 Tools Lite on October 25, 2026.

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