UmbiCalc vs Bunnell HFJV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UmbiCalc
This medical app estimates umbilical catheter insertion lengths for neonates based on birth weight. It utilizes an algorithm derived from statistical modeling and is intended for educational use by healthcare professionals. Always consult a medical provider for health advice.
- Umbilical arterial catheter estimation
- Umbilical venous catheter estimation
- Birth weight-based calculations
- Based on published algorithm
- For educational purposes
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This app provides the birth weight-based insertion length estimations for umbilical arterial and venous catheters placed in neonates in the Neonatal Intensive Care Unit. UmbiCalc is based on the algorithm described by Tambasco et al. in “A Novel and Accurate Method for Estimating Umbilical Arterial and Venous Catheter Insertion Length.” Journal of Perinatology 2021. The algorithm was derived from statistical modeling using a representative sample of the current NICU population and validated across a wide range of birth weights. Intended for use by neonatologists, pediatricians, and advanced practice providers for personal educational purposes only. It is not intended for use in clinical practice or the delivery of medical care. Always consult with a healthcare provider for advice concerning your health.
Bunnell HFJV
This app provides respiratory therapists and medical professionals with quick access to essential resources for operating a specific type of ventilator. It includes setup guides, troubleshooting tips, user manuals, and direct contact information for support.
- 24/7 Bunnell Hotline access
- Instructional videos
- User manuals
- Quick reference guides
- Free CRCE Credits
- Website and contact page access
- Content bookmarking
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Our unique and gentle ventilation provides life-saving therapy for babies. The Bunnell mobile app will assist respiratory therapists, physicians, advanced practice providers, and nurses at the bedside allowing quick access to resources on setup and operation of the “Jet” ventilator. From the app you can access: 1. Call the 24/7 Bunnell Hotline! -You won’t need to search for the phone number to our acclaimed hotline service, just click and call for technical and clinical support. Get clinical guidance and recommendations from our Clinical Specialists- all are respiratory therapists that have an unmatched understanding of high frequency jet ventilation, LifePulse™ ventilators, and neonatal respiratory care. A rental ventilator is just one click away- give us a call for urgent deliveries. During business hours, Customer Service is available to talk about repairs, service, maintenance, shipping, supplies, and sales; and biomedical engineers can get technical support from our dedicated engineering team. 2. Instructional videos- Learn how to set up the ventilator, find common troubleshooting tricks and tips, and get answers to frequently asked questions. 3. LifePulse™ HFJV User Manuals- The Bunnell HFJV app makes the manuals easily accessible at the bedside. 4. Quick Reference Guides- Our short guides provide summarized reference materials on common topics, unique LifePulse™ features, and a digital version of The LifePulse™ High Frequency Jet Ventilator Pocket Guide, which provides recommendations for patient management. 5. Free CRCE Credits! - Now more accessible than ever, we provide AARC accredited courses to help you maintain your continuing education requirements. Watch the videos and take the test right from the app. 6. Quick access to our website and contact page- Need to reference a research article? You can find evidence-based research supporting the use of High Frequency Jet Ventilation as the standard of care for the sickest babies. Do you have a parent with questions on the ventilator? We have a parent page! Do you just want to know more? Access our Hall of Fame Lectures, training models, and find pdf downloads of all the documents on the app. Can’t remember who your regional specialist is? You can contact them directly from the website. 7.vBookmark your favorite content or send it to a coworker right from the app. At Bunnell, our motto is “We Save Babies.” We want you to have what you need at the bedside to provide effective gentle ventilation for the tiniest patients. When using the LifePulse™ Ventilator, let the Bunnell HFJV mobile application be your bedside companion.
Screenshots
Verdict
The clearest difference is ads: UmbiCalc at none against Bunnell HFJV's shown. UmbiCalc also leads on monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.0). Bunnell HFJV's advantage is update cadence (every 4 weeks vs every 12 months). On price, rating, ratings volume and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for UmbiCalc against 5.0 for Bunnell HFJV. Both are backed by a comparable volume of ratings — 4 and 2 respectively.
UmbiCalc ships an update every 12 months, Bunnell HFJV every 4 weeks. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.
| Parameter | UmbiCalc | Bunnell HFJV |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 12 months | Every 4 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 67 MB | 67 MB |
| Age rating | 4+ | 17+ |
| Developer | Yale | Bunnell Inc |
Customer experience
UmbiCalc
Bunnell HFJV
In-app purchases
UmbiCalc
No in-app purchases
Bunnell HFJV
No in-app purchases






