Comparison

Adhuna vs DrObsCalc

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

Head to head
About

Adhuna

Features
Read full description

Calculate IV FCM dosage and GA; run a timed 60-minute checklist for vaginal & C-section birth. This application brings together three essential tools in one easy‑to‑use platform: - IV FCM Dosage Calculator – Estimate iron need and calculate ferric carboxymaltose dosage (vials/sessions) to ensure quick and accurate treatment. - Gestational Age Calculator – Estimate EDD using LMP, ultrasound (GA on report), or IVF - First-60-minute Postpartum Checklist — A timed, 60-minute workflow for vaginal and caesarean births, covering AMTSL, routine maternal–newborn checks, objective blood-loss measurement, and E-MOTIVE bundle launched when PPH is suspected. Why choose this app? • Evidence-based support: Built on internationally endorsed guidelines. • Time‑saving: Simplifies calculations and protocols at the point of care • User‑friendly: Designed for clinicians, program managers, and frontline health workers Important note This tool supports adherence to guidelines; it does not replace clinical judgment, local policies, or emergency pathways. Use at the discretion of qualified providers. In any deterioration or emergency, follow your facility’s escalation/PPH protocols.

About

DrObsCalc

Features
Read full description

DrObsCalc is a clinical gestational age calculator built for real clinical practice. Establish gestation instantly from last menstrual period (LMP), estimated date of delivery (EDD), or known gestational age (GA) on a known date. The calculator adapts automatically, with no manual mode switching required. Designed for obstetricians by an obstetrician, DrObsCalc supports fast, accurate workflow at the point of care. Key Features: • Intelligent input logic for LMP, EDD, or GA-based entry • Automatic recalculation across related values • Fast 6- or 8-digit numeric date entry • Automatic regional date format recognition • Clear trimester and milestone overview Clinical Milestones Pro (One-Time Purchase): • Additional clinical window presets • Create and customise your own clinical window presets • Custom Appointment Planning Weeks • More tailored follow-up planning DrObsCalc performs date calculations and clinical planning support only. It does not provide diagnostic or treatment recommendations.

Screenshots

Adhuna4 screens
DrObsCalc4 screens

Verdict

The call

The clearest difference is in-app purchases: Adhuna at none against DrObsCalc's 1. Adhuna also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, 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. DrObsCalc sells 1 one-off in-app purchase. Adhuna asks for nothing beyond the download.

UpkeepUpdate frequency

Adhuna ships an update every 4 weeks, DrObsCalc fortnightly. The most recent releases landed on October 1, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 4 level
Adhuna versus DrObsCalc: the parameters behind the verdict, then further details
ParameterAdhunaDrObsCalc
PriceFreeFree
Update frequencyEvery 4 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size39 MB11 MB
Age rating17+4+
DeveloperTank Maternity and Surgical Hospital LLPEng Loy Tan

In-app purchases

None

Adhuna

No in-app purchases

1 purchases

DrObsCalc

One-time1
  • Clinical Milestones Pro$6.99

Questions

Is Adhuna free?
Adhuna is free to download, with no in-app purchases.
Is DrObsCalc free?
DrObsCalc is free to download, with in-app purchases available.
Do Adhuna or DrObsCalc have ads?
Neither Adhuna nor DrObsCalc shows ads.
Which is updated more often, Adhuna or DrObsCalc?
Adhuna ships an update every 4 weeks, and DrObsCalc fortnightly. Most recently, Adhuna was updated on October 1, 2026 and DrObsCalc on October 28, 2026.

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