Comparison

GestAge vs ALUVUU

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

Head to head
About

GestAge

This medical app assists healthcare professionals and pregnant individuals in accurately calculating due dates and gestational age. It provides essential tools for managing pregnancy timelines.

Highlights
  • Calculate due date
  • Calculate gestational age
  • Pregnancy timeline management
  • Tools for healthcare professionals
  • Tools for pregnant women
Features
Read full description

Gynaecologists, midwives, general practitioners, medecine students, nurses and above all pregnant women, this software easily calculates the due date and the gestational age during a pregnancy.

About

ALUVUU

This app offers detailed fetal growth information, including 3D models and graphs from 4 to 40 weeks. It allows for customization of fetal avatars and management of personal health data like blood pressure and weight. Users can also archive fetal milestones and upload 3D ultrasound videos.

Highlights
  • Fetal 3D avatar model editing
  • Fetal growth information and graphs
  • Healthcare data management
  • Bluetooth device support
  • 3D ultrasound video uploads
  • Fetal Model Archives
Read full description

ALUVUU is a service that provides fetal growth information and fetal 3D model editing / recommendation for your baby, and allows you manage your health information through healthcare service. * You can sign in with Apple without any registration process. Main features - Fetal 3D avatar model editing / recommendation: You can modify the fetal model after 17 weeks. When you register the fetus information, if you register an ultrasound image with a good fetal face by 3D ultrasound device in hospital, it will recommend and reflect the appearance. The input image is not necessary unless you are using recommendation. - Fetal growth information: fetus 3D models (4~40 weeks) and fetal growth graph provided - Fetal Model Archives: Save models of specific weeks to stories via snapshot function - Healthcare: You can check your health status by entering the data you measured - Healthcare Support Items: Blood Pressure/Glucose, Body Weight, Body Temperature, Fetal Movement, Labor Pain, Food, Exercise, Menstruation - Bluetooth Device Support Items: Body Weight - Uploading 3D ultrasound videos ( video will be uploaded to story post )

Screenshots

GestAge4 screens
ALUVUU4 screens

Verdict

The call

The clearest difference is rating: ALUVUU at 5.0 against GestAge's 2.0. ALUVUU also leads on in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 3 months). On price, ratings volume, ads 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. GestAge sells 2 one-off in-app purchases. ALUVUU asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ALUVUU holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 81% of GestAge's written reviews are positive against 100% of ALUVUU's.

UpkeepUpdate frequency

GestAge ships an update every 3 months, ALUVUU every 3 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

Scorecard6 real differences · 4 level
GestAge versus ALUVUU: the parameters behind the verdict, then further details
ParameterGestAgeALUVUU
PriceFreeFree
Rating2.0 (3 ratings)5.0 (2 ratings) — better
Positive reviews81.5% of reviews100.0% of reviews — better
Number of ratings3 — better2
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size23 MB63 MB
Age rating17+12+
DeveloperJ. VerchereGIRJAESOFT Co., Ltd.

Customer experience

GestAge

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews27 reviews
Positive81.5%
Neutral7.4%
Negative11.1%

ALUVUU

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews18 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

GestAge

One-time2
  • Ultrasound scan tools$0.99
  • Just get rid of the ads !$9.99
None

ALUVUU

No in-app purchases

Questions

Is GestAge free?
GestAge is free to download, with in-app purchases available.
Is ALUVUU free?
ALUVUU is free to download, with no in-app purchases.
Which has better reviews, GestAge or ALUVUU?
ALUVUU is rated higher. GestAge averages 2.0 out of 5 from 3 ratings, while ALUVUU averages 5.0 from 2 ratings.
Do GestAge or ALUVUU have ads?
Both GestAge and ALUVUU show ads.
Which is updated more often, GestAge or ALUVUU?
GestAge ships an update every 3 months, and ALUVUU every 3 weeks. Most recently, GestAge was updated on September 21, 2026 and ALUVUU on September 18, 2026.

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