Comparison

ObCalc vs Charge Capture by MDTech

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

Head to head
About

ObCalc

Features
Read full description

ObCalc puts the calculators, scoring tools, and reference charts that obstetrics, maternal-fetal medicine, and labor & delivery teams reach for every shift into one fast, offline-first app. Every formula is sourced to published guidelines (ACOG, SMFM, CMQCC, NICHD) and built as a clinical tool first — clean inputs, clear interpretation, no clutter. OBSTETRICS • Bishop Score • Estimated Due Date — LMP, ultrasound, conception, ovulation, or IVF transfer dating • Pregnancy Re-dating (ACOG Committee Opinion 700) • Pregnancy Weight Gain Tracker • Urine Protein:Creatinine Ratio (UPCR) • VBAC Success Calculator — Grobman MFMU model • VBAC at Delivery Admission Success Calculator — Grobman MFMU model PERINATOLOGY / MFM • CVR (CPAM Volume Ratio) • Extremely Preterm Birth Outcome (NICHD) • Fetal Biometry Suite — Hadlock EFW, long-bone ratios, multi-panel z-scores and percentiles • Intrauterine Transfusion (IUT) Volume Calculator • MCA Doppler / PSV for Fetal Anemia • Neonatal Morbidity Risk • Ponderal Index • GDM Insulin Dosing • Life-Limiting Skeletal Dysplasia Screen • Twin Discordance • Umbilical Artery Doppler GENERAL • Anion Gap • Apgar Score • BMI • Iron Deficit • Peak Flow • Gestational Age (date difference) • Maternal Sepsis Assistant (qSOFA / Sepsis-3) • CMQCC Sepsis Screen THROMBOPHILIA • VTE Anticoagulation Dosing (ACOG Practice Bulletin 196) GENETICS • cfDNA PPV/NPV Calculator • Nuchal Translucency Percentile WHY CLINICIANS CHOOSE OBCALC • Offline-first — no connection needed on L&D • Fast, distraction-free interface — no ads, no tracking • One-time purchase. No subscription, no account required • Regularly updated with new tools and guideline changes • Built-in unit conversion and inline number-pad arithmetic on every input ObCalc is a clinical reference tool intended for use by licensed healthcare professionals. It does not replace clinical judgment, and results should be confirmed against current guidelines and your institution's protocols.

About

Charge Capture by MDTech

Streamline medical billing and administrative workflows with automated data feeds. Identify savings opportunities, reduce charge lag, and optimize practice revenue through a user-friendly dashboard and point-of-care charge entry.

Highlights
  • Automated data feeds for savings identification
  • Business management dashboard
  • Point-of-care billing
  • Patient rounding list management
  • CPT/ICD10 code entry and favorites
  • HIPAA compliant messaging
Features
Read full description

Charge Capture powered by MDTech uses automated data feeds to identify savings opportunities, displaying them on an easy-to-use business management dashboard so providers or office managers can action billing at point of care. Implementing this tool is a simple and effective way to streamline administrative workflows, decrease charge lag, identify missing charges and optimize your practice’s revenue. Included capabilities: - Rounding list: Manage your patients’ information from your phone. Quickly admit/discharge/transfer patients - Charge entry: Easily search and enter CPT/ICD10 codes. Manage your favorites list of frequently used codes, so you only see codes you need - Facesheet and facility notes: See all relevant information in real time - Secure, HIPAA compliant messaging: Efficiently share information with your team members using in-app message MD Coder is available as a free download for distribution but is a subscription-based service that ultimately pays for itself and beyond. We will work with you in order to customize the application to fit your needs. We support the following specialties: - Anesthesia - Cardiology - ENT - Facial Plastics - Family Practice - Gastroenterology - General Surgery - Internal Medicine - Hospitalist - Nephrology - Neurology - Neurosurgeon - OBGYN - Ophthalmology - Orthopedics - Pediatric Surgery - Pediatrics - Reconstructive Plastics - Podiatry - Pulmonary - Thoracic - Trauma - Urology - Vascular ... and more Important: If you experience problems please let us know by either calling us at 1-888-253-8813 or via e-mail at support@mdtech.com.

Screenshots

ObCalc4 screens
Charge Capture by MDTech3 screens

Verdict

The call

The clearest difference is price: Charge Capture by MDTech at Free against ObCalc's $2.99. Charge Capture by MDTech also leads on iOS requirement (15.0 vs 26.0). On update cadence, ads, in-app purchases 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

Charge Capture by MDTech is free to download; ObCalc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ObCalc ships an update every 3 months, Charge Capture by MDTech every 2 months. The most recent releases landed on September 26, 2026 and July 8, 2026 respectively.

Scorecard2 real differences · 8 level
ObCalc versus Charge Capture by MDTech: the parameters behind the verdict, then further details
ParameterObCalcCharge Capture by MDTech
Price$2.99Free — better
Rating—2.5 (6 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Subscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size3 MB146 MB
Age rating17+17+
DeveloperCode Nine Labs LLCMedical Design Technologies, LLC

In-app purchases

None

ObCalc

No in-app purchases

None

Charge Capture by MDTech

No in-app purchases

Questions

Is ObCalc free?
ObCalc costs $2.99, with no in-app purchases.
Is Charge Capture by MDTech free?
Charge Capture by MDTech is free to download, with no in-app purchases.
Do ObCalc or Charge Capture by MDTech have ads?
Neither ObCalc nor Charge Capture by MDTech shows ads.
Which is updated more often, ObCalc or Charge Capture by MDTech?
ObCalc ships an update every 3 months, and Charge Capture by MDTech every 2 months. Most recently, ObCalc was updated on September 26, 2026 and Charge Capture by MDTech on July 8, 2026.

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