
About
Get instant, cited answers to common vascular access questions from a virtual clinical nurse specialist. This app provides practical guidance on device selection, medication compatibility, and best practices, grounded in current standards and literature. It's designed for nurses working independently, offering clear, actionable advice.
What's New in Martha
1.0.1
September 16, 2026
You can now share Martha directly from the app and open the App Store review page with one tap. This update also enables faster delivery of future app improvements.
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Unlimited questions to Martha, billed yearly — save 33%
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FAQ
What is Martha: Vascular Access CNS?
Martha is a mobile application designed to provide nurses with quick, cited answers to common questions related to vascular access. It acts as a virtual clinical nurse specialist, offering guidance grounded in published standards and contemporary literature.
How does Martha provide answers?
Martha's answers are derived from reputable sources such as the INS Infusion Therapy Standards of Practice, MAGIC, CDC CLABSI-prevention guidance, NKF KDOQI, and current midline literature. Each answer includes a citation for further reference.
Is Martha free to use?
Martha offers a free trial where users can ask up to 3 questions. After the trial, a subscription is required for unlimited access, with pricing options of $24.99 per month or $199.99 per year.
What types of questions can I ask Martha?
You can ask Martha about device selection (midline vs. PICC vs. peripheral IV), medication compatibility (pH, osmolarity, vesicant status), troubleshooting occlusions or lack of blood return, CLABSI prevention, and scope-of-practice inquiries.
Does Martha store my chat history?
No, Martha is private by design. Your questions and answers are stored only on your device, and chat transcripts are never stored on the developer's servers. It's important not to enter patient identifiers or PHI.
What devices is Martha available on?
Martha is available for iPhone and iPad devices, making it accessible for nurses on the go.
How often is Martha updated?
The application was last updated on September 16, 2026, to version 1.0.1. While specific update frequency is not detailed, this indicates ongoing development and maintenance.
What is the age rating for Martha?
Martha has an age rating of 12+, indicating it is suitable for users aged 12 and older. This aligns with its purpose of providing educational information for licensed clinicians and students.




