Comparison

obstetrico vs OB Calc (cloud)

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

Head to head
About

obstetrico

Features
Read full description

Con este calculador usted puede determinar la fecha aproximada en que su bebé nacerá. Se basa en que una gestación normal dura en promedio 40 semanas contadas desde el primer día de la fecha de la última regla normal y que la concepción usualmente ocurre 2 semanas después del primer día de la última regla. Todos los cálculos deben ser confirmados antes de su uso. Los resultados sugeridos no son un sustituto para un  juicio clínico. Ni expresoweb.com ni ninguna otra parte implicada en la elaboración o publicación de este sitio será responsable de cualquier daño especial, indirecto, o ejemplares resultantes total o parcial del uso de cualquier usuario.

About

OB Calc (cloud)

This medical app helps obstetricians efficiently calculate key patient test date windows. It offers multiple calculation methods and allows for saving patient data and generating PDF reports. A free trial is available, followed by a subscription for full access.

Highlights
  • LMP, EDC, Ultrasound, CRL, and IVF calculations
  • Customizable test date ranges
  • Cross-device data syncing
  • PDF report generation
  • Save individual patient data
Features
Read full description

While similar to a pregnancy wheel, OB Calc (cloud) is specifically designed by an obstetrician, for obstetricians. Finally obstetricians have an efficient and simple method to calculate the important test date windows for patients. CALCULATION METHODS • Last Menstrual Period (LMP) • Expected Delivery Date (EDC) • Sonogram Date and Fetal Age (Sonogram) • Crown Rump Length (CRL) • In Vitro Fertilization (IVF) Try the app for free for 7 days. A low monthly autorenewable subscription gives users access to premium features such as all calculation methods and saving of individual patient data. You can reach the developer directly at support@inpocketsolutions.com FEATURES • LMP, EDC, Ultrasound, CRL and IVF Method Calculations • Customize up to 15 tests, with date ranges • Data synced across multiple devices • Generate a PDF file • Save individual patient data CRL data reference : https://obgyn.onlinelibrary.wiley.com/doi/pdf/10.1002/uog.7654 Terms & Conditions: https://inpocketsolutions.com/terms ** Disclaimer Remember to test out the app on your specific device to ensure calculations are verified to your expectation.

Screenshots

obstetrico4 screens
OB Calc (cloud)4 screens

Verdict

The call

The clearest difference is in-app purchases: obstetrico at none against OB Calc (cloud)'s 2. obstetrico also leads on update cadence (monthly vs every 3 months) and iOS requirement (8.0 vs 18.0). On price, 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. OB Calc (cloud) sells 2 in-app purchases, starting at $2.99 per month. obstetrico asks for nothing beyond the download.

UpkeepUpdate frequency

obstetrico ships an update monthly, OB Calc (cloud) every 3 months. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
obstetrico versus OB Calc (cloud): the parameters behind the verdict, then further details
ParameterobstetricoOB Calc (cloud)
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—5 — better
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS8.0 — better18.0
Further details — not scored
Size10 MB14 MB
Age rating4+4+
DeveloperManuel PosadasGlen Botha

In-app purchases

None

obstetrico

No in-app purchases

2 purchases

OB Calc (cloud)

Subscriptions2
  • Monthly Subscription$2.991 Month
  • Premium (Annual)$29.991 Year

Questions

Is obstetrico free?
obstetrico is free to download, with no in-app purchases.
Is OB Calc (cloud) free?
OB Calc (cloud) is free to download, with in-app purchases available.
Do obstetrico or OB Calc (cloud) have ads?
Neither obstetrico nor OB Calc (cloud) shows ads.
Which is updated more often, obstetrico or OB Calc (cloud)?
obstetrico ships an update monthly, and OB Calc (cloud) every 3 months. Most recently, obstetrico was updated on September 26, 2026 and OB Calc (cloud) on October 8, 2026.

Other comparisons