Comparison

CVR Calc vs My Vascular Access

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

Head to head
About

CVR Calc

This medical tool assists healthcare professionals in vascular access and infusion therapy by calculating catheter to vessel ratios. It helps clinicians quickly assess the area consumed within the intravascular space by catheters, supporting both venous and arterial devices.

Highlights
  • Catheter to vessel ratio calculation
  • Supports venous and arterial devices
  • Peripheral and central venous access device calculations
  • Area-based calculations for patient assessment
  • Uses ultrasound measurements for vessel size
  • Based on academic research and awards
Features
Read full description

CVRCalc was designed by clinicians, for clinicians — and is the tool for healthcare professionals who work in or perform Vascular Access and Infusion Therapy roles and want to monitor accurate catheter to vessel ratios. It is designed to calculate the area consumed within the intravascular space used by the catheter. The device can be used to calculate the area for both venous and arterial devices if preferred. This simple tool allows clinicians to make quick area-based calculations during the patient assessment process, along with using ultrasound to accurately measure the vessel size prior to the insertion of an intravascular device. It covers both peripheral intravenous devices (in both Gauge and French sizes) as well as central venous access devices (in French size only). Based on the 1st Place poster awarded at the Association for Vascular Access 2017 Scientific Meeting in Phoenix and supported with an academic publication, which can be found here - https://doi.org/10.1007/s11239-017-1569-y This App does NOT collect, record, store, or transmit any information entered, and is used to provide the mathematical catheter to vessel area-based calculations only.

About

My Vascular Access

This medical app analyzes patient-specific factors to recommend the most appropriate vascular access treatment. It leverages scientific evidence and expert knowledge to guide clinical decision-making for vascular access procedures.

Highlights
  • Patient-specific factor analysis
  • Vascular access treatment recommendations
  • Clinical situation algorithms
  • Selection assistant tool
  • Save and download results
  • Access to KDOQI guidelines
Features
Read full description

My Vascular Access uses patient-specific factors — such as vascular anatomy, age, and functional status — to analyze the most appropriate vascular access treatment for each patient. Our data is based on the best available scientific evidence plus the knowledge and experience of an international team of vascular access experts comprised of surgeons, nephrologists, and interventionalists. - Clinical Situations: Process vascular access algorithms by clinical situation. - Selection Assistant: Discover the most appropriate vascular access using our selection assistant. - Account: Register to save your Selection Assistant results and download at any time. - Resources: Includes KDOQI Clinical Practice Guideline for Vascular Access documents and videos. ------ Supported by Kidney CARE Network International Our mission is to improve the quality of life and health outcomes of people with chronic kidney disease (CKD) through collaborative activities, research, and education. Visit kidneycarenetwork.ca for more details. ------ DISCLAIMER: The My Vascular Access app is designed to provide information and assist decision-making. It is not intended to define a standard of care, and should not be construed as one, nor should it be interpreted as prescribing an exclusive course of management. Variations in practice will inevitably and appropriately occur when clinicians take into account the needs of individual patients, available resources, and limitations unique to an institution or type of practice. The app recommendations are based on preoperative patient information. Intraoperative findings may render that recommendation inappropriate. Every health-care professional making use of these recommendations is responsible for evaluating the appropriateness of applying them in the setting of any particular clinical situation. This app is not intended for patients who need hemodialysis catheter access or for pediatric vascular access procedure selection.

Screenshots

CVR Calc3 screens
My Vascular Access3 screens

Verdict

The call

The clearest difference is rating: My Vascular Access at 5.0 against CVR Calc's 3.3. My Vascular Access also leads on update cadence (every 4 days vs every 8 months) and iOS requirement (10.0 vs 18.5). CVR Calc's advantage is ratings volume (27 vs 1). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

My Vascular Access holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: CVR Calc has 27 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

CVR Calc ships an update every 8 months, My Vascular Access every 4 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
CVR Calc versus My Vascular Access: the parameters behind the verdict, then further details
ParameterCVR CalcMy Vascular Access
PriceFreeFree
Rating3.3 (27 ratings)5.0 (1 ratings) — better
Positive reviews33.3% of reviews—
Number of ratings27 — better1
Update frequencyEvery 8 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.510.0 — better
Further details — not scored
Size4 MB32 MB
Age rating4+17+
DeveloperGlobal Vascular Access, LLCKopis, LLC

Customer experience

CVR Calc

All ratings26 ratings
Positive50.0%
Neutral11.5%
Negative38.5%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

My Vascular Access

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CVR Calc

No in-app purchases

None

My Vascular Access

No in-app purchases

Questions

Is CVR Calc free?
CVR Calc is free to download, with no in-app purchases.
Is My Vascular Access free?
My Vascular Access is free to download, with no in-app purchases.
Which has better reviews, CVR Calc or My Vascular Access?
My Vascular Access is rated higher. CVR Calc averages 3.3 out of 5 from 27 ratings, while My Vascular Access averages 5.0 from 1 ratings.
Do CVR Calc or My Vascular Access have ads?
Neither CVR Calc nor My Vascular Access shows ads.
Which is updated more often, CVR Calc or My Vascular Access?
CVR Calc ships an update every 8 months, and My Vascular Access every 4 days. Most recently, CVR Calc was updated on November 2, 2026 and My Vascular Access on November 3, 2026.

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