ObCalc vs Charge Capture by MDTech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ObCalc
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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.
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.
- 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
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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
Verdict
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
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.
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.
| Parameter | ObCalc | Charge Capture by MDTech |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 2.5 (6 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Subscription |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 146 MB |
| Age rating | 17+ | 17+ |
| Developer | Code Nine Labs LLC | Medical Design Technologies, LLC |
In-app purchases
ObCalc
No in-app purchases
Charge Capture by MDTech
No in-app purchases
Questions
Is ObCalc free?
Is Charge Capture by MDTech free?
Do ObCalc or Charge Capture by MDTech have ads?
Which is updated more often, ObCalc or Charge Capture by MDTech?
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