Comparison

OB App Suite 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

OB App Suite

This app provides a suite of OB/GYN specific medical calculators for quick and easy use. It includes tools for calculating due dates, predicting VBAC success, and assessing pre-eclampsia criteria, along with information on interpreting results.

Highlights
  • OB Wheel for LMP, EDD, and EGA
  • Due Date by Sonogram
  • IVF Wheel for due date calculation
  • VBAC Success prediction
  • GBS Algorithm for antibiotic indication
  • Pre-Eclampsia Protein/Creatine Ratio assessment
  • APGAR, BMI, BSA, and Urine Output calculators
Features
Read full description

A collections of OB/GYN specific calculators all in one place. Easy and quick to use. Includes information about the tests and how to interpret results. Features ------------------------------- Currently Tools: • OB Wheel -Same features as preg wheel app. (See below) • Due Date by Sonogram • IVF Wheel -Calculate due date based on IUI date or embryo transfer date. • VBAC Success -Predicts success of VBAC based on patient history. • GBS Algorithm -Determines if antibiotics are indicated and which one to administer • Bishop Score • Pre-Eclampsia Protein/Creatine Ratio -Determines if patient meets pre-eclampsia criteria • APGAR • BMI • BSA • Urine Output Preg Wheel Features ------------------------------------- 1) Quickly input various dates with the date wheel: • Last menstrual period (LMP) • Estimated date of delivery (EDD) • Estimated Gestational Age (EGA) 2) Accurate results: Preg Wheel provides exact dates and accounts for all calendar variance, including leap years. 3) Persistence: Preg Wheel can save the date and date type and restore them when launched to streamline your workflow. 4) Now with even more relevant dates for the entire pregnancy. Know in advance when specific screening tests need to be performed. • 1st Trimesters US • CVS • Quad Screen • Amino • Anatomy US • GTT • Anti-D Prophylaxis • GBS Screen • Elective Delivery

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

OB App Suite4 screens
OB Calc (cloud)4 screens

Verdict

The call

The clearest difference is review sentiment: OB App Suite at 63% against OB Calc (cloud)'s 0%. OB App Suite also leads on in-app purchases (none vs 2) and update cadence (every 11 days vs every 3 months). OB Calc (cloud)'s advantage is rating (5.0 vs 3.8). 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. OB Calc (cloud) sells 2 in-app purchases, starting at $2.99 per month. OB App Suite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OB Calc (cloud) holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 13 and 5 respectively. Written reviews complicate that: 63% of OB App Suite's written reviews are positive against 0% of OB Calc (cloud)'s, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OB App Suite ships an update every 11 days, OB Calc (cloud) every 3 months. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
OB App Suite versus OB Calc (cloud): the parameters behind the verdict, then further details
ParameterOB App SuiteOB Calc (cloud)
PriceFreeFree
Rating3.8 (13 ratings)5.0 (5 ratings) — better
Positive reviews62.5% of reviews — better0.0% of reviews
Number of ratings13 — better5
Update frequencyEvery 11 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS10.0 — better18.0
Further details — not scored
Size23 MB14 MB
Age rating17+4+
DeveloperAndrew YuGlen Botha

Customer experience

OB App Suite

All ratings13 ratings
Positive69.2%
Neutral7.7%
Negative23.1%
Written reviews8 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

OB Calc (cloud)

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

OB App Suite

No in-app purchases

2 purchases

OB Calc (cloud)

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

Questions

Is OB App Suite free?
OB App Suite 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.
Which has better reviews, OB App Suite or OB Calc (cloud)?
OB Calc (cloud) is rated higher. OB App Suite averages 3.8 out of 5 from 13 ratings, while OB Calc (cloud) averages 5.0 from 5 ratings.
Do OB App Suite or OB Calc (cloud) have ads?
Neither OB App Suite nor OB Calc (cloud) shows ads.
Which is updated more often, OB App Suite or OB Calc (cloud)?
OB App Suite ships an update every 11 days, and OB Calc (cloud) every 3 months. Most recently, OB App Suite was updated on October 24, 2026 and OB Calc (cloud) on October 24, 2026.

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