Comparison

OB Wheel+ vs EM / CC Abbreviations

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

Head to head
About

OB Wheel+

This medical app offers precise pregnancy calculations for healthcare professionals and expectant parents. It features multiple calculation modes, projected gestational age, and a timeline of key clinical milestones and screenings. Users can also filter milestones by trimester and compare fetal growth with relatable size comparisons.

Highlights
  • Multiple calculation modes (LMP, EDD, IVF, GA)
  • Projected gestational age calculation
  • Clinical milestone timeline
  • Trimester filtering
  • Fetal size comparisons
Features
Read full description

Designed by Andrew Yu, MD, A double board certified OB/GYN and Clinical Informatics. OB Wheel+ is a streamlined and reliable tool for calculating essential pregnancy dates. Whether you are a clinician in a fast-paced environment or an expectant parent tracking milestones, this app provides the accuracy you need with an intuitive, modern interface. Key Features: • Multiple Calculation Modes: Calculate based on Last Menstrual Period (LMP), Known Due Date (EDD), IVF Transfer Date (Day 3 or Day 5), or Gestational Age (GA) from a specific scan date. • Projected GA: Easily determine what the gestational age will be on any future date. • Clinical Milestones: Automatically generates a comprehensive timeline for essential screenings, including NIPT, Anatomy Scan, Glucose testing, and vaccinations including RSV during the appropriate season. • Trimester Filtering: Focus on the milestones that matter right now with easy T1, T2, and T3 filters. • Fetal Size Comparisons: Track baby’s growth with relatable size comparisons. Medical Disclaimer: This app is intended for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read in this application.

About

EM / CC Abbreviations

Features
Read full description

EM / CC Abbreviations is a comprehensive, searchable reference tool for Emergency Medicine and Critical Care abbreviations and acronyms. Designed for emergency physicians, intensivists, residents, nurses, and medical students who need fast access to clinical abbreviations at the bedside or during training. FEATURES: - Browse ~350 abbreviations across 23 clinical categories - Instant search — find any abbreviation in seconds - Filter by category (Cardiac, Pulmonary, Neuro, Pharmacology, and more) - Save favorites for quick access - Clean dark-mode interface optimized for quick reference No advertisements. No distractions. Just the reference you need. DISCLAIMER: This app is intended for educational purposes only. It does not constitute medical advice and should not be used as a substitute for clinical judgment or professional medical guidance.

Screenshots

OB Wheel+4 screens
EM / CC Abbreviations4 screens

Verdict

The call

The clearest difference is ads: EM / CC Abbreviations at none against OB Wheel+'s shown. On price, in-app purchases, device support and iOS requirement 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.

Scorecard1 real difference · 7 level
OB Wheel+ versus EM / CC Abbreviations: the parameters behind the verdict, then further details
ParameterOB Wheel+EM / CC Abbreviations
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.616.4 — better
Further details — not scored
Size11 MB30 MB
Age rating17+17+
DeveloperAndrew YuA&O4 Technologies LLC

In-app purchases

None

OB Wheel+

No in-app purchases

None

EM / CC Abbreviations

No in-app purchases

Questions

Is OB Wheel+ free?
OB Wheel+ is free to download, with no in-app purchases.
Is EM / CC Abbreviations free?
EM / CC Abbreviations is free to download, with no in-app purchases.
Do OB Wheel+ or EM / CC Abbreviations have ads?
OB Wheel+ shows ads; EM / CC Abbreviations does not.

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