O.R. Billing vs CathDoc
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
O.R. Billing
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Streamline your surgical practice with O.R. Billing, the ultimate tool for surgeons to effortlessly report their surgery encounters. Designed for simplicity and efficiency, our app revolutionizes the billing process, saving you precious time and ensuring accuracy. O.R. Billing empowers surgeons to take control of their billing process, ensuring accurate and timely reimbursement. Transform your surgical practice with O.R. Billing - your key to efficient surgery encounter reporting.
CathDoc
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CathDoc is the essential coding companion for interventional cardiologists. Designed by cardiologists, for cardiologists, this app streamlines procedure documentation and ensures accurate billing compliance with 2026 Medicare guidelines. KEY FEATURES: - 2026 Code Coverage Complete coverage of interventional cardiology codes including diagnostic catheterization, PCI, structural heart, TAVR, peripheral vascular, and mechanical circulatory support procedures. - Multi-Vessel PCI Support Easily document first, second, and third vessel interventions with proper coronary modifier assignment (LD, LC, RC, LM, RI) for Medicare billing compliance. - NEW 2026 Drug-Coated Balloon Codes Includes new codes with bundling guidance for IVUS/OCT imaging. - Redesigned Peripheral Vascular Codes Complete 2026 peripheral code overhaul with territory-based organization (Iliac, Femoral/Popliteal, Tibial/Peroneal, Inframalleolar) and lesion complexity differentiation. - RVU Calculator Real-time physician work RVU calculations with 2026 Medicare conversion factor ($36.04) for reimbursement estimates. - Coding Validation & Feedback Automatic detection of coding errors, missing vessel modifiers, and NCCI bundling conflicts. Modifier -59 guidance for same-day diagnostic cath with PCI. - What's New 2026 Reference Built-in educational guide explaining all major 2026 code changes for coronary, peripheral, and structural heart procedures, including official definitions. - HIPAA Compliant No patient names or PHI stored. Uses case IDs only for procedure documentation. - ICD-10 Indications Quick selection of common cardiac, peripheral, and structural heart procedure indications. - Moderate Sedation Tracking Built-in sedation time calculator with proper 99152/99153 code assignment. SUPPORTED PROCEDURE CATEGORIES: - Diagnostic Cardiac Catheterization - Percutaneous Coronary Intervention (PCI) - Drug-Coated Balloon (NEW 2026) - Intravascular Imaging (IVUS/OCT) - Coronary Physiology (FFR/iFR/CFR) - Structural Heart (ASD, VSD, PFO, LAA closure) - TAVR (all access approaches) - Peripheral Vascular Interventions - Mechanical Circulatory Support (Impella, IABP, ECMO) Developed by Lumen Innovations for the interventional cardiology community.
Screenshots
Verdict
The clearest difference is update cadence: CathDoc at every 3 weeks against O.R. Billing's every 3 months. CathDoc also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
O.R. Billing ships an update every 3 months, CathDoc every 3 weeks. The most recent releases landed on June 9, 2026 and September 18, 2026 respectively.
| Parameter | O.R. Billing | CathDoc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 16.0 | 15.6 โ better |
| Further details โ not scored | ||
| Size | 19 MB | 12 MB |
| Age rating | 17+ | 4+ |
| Developer | Communicans LLC | Lumen Innovations, LLC |
In-app purchases
O.R. Billing
No in-app purchases
CathDoc
No in-app purchases









