Butterfly Network vs Circle Cardiovascular Imaging
Circle serves the lab that reads cardiac MR and CT, and Butterfly serves the emergency physician or hospitalist scanning at the bedside. Circle's cvi42 covers strain, mapping and calcium, plus a coronary plaque module cleared as K251027 in October 2025. The vendor's logo list names Mayo Clinic Rochester, Cleveland Clinic and Massachusetts General. Its regulatory page shows ISO 13485 and MDSAP certificates from BSI, and its partner page names integrated solutions with GE Healthcare and Siemens Healthineers.
Butterfly sells the probe and the apps around it. Core membership is $299 a year plus the probe (currency not stated), with one seat and two probes online. A one-time Advanced option costs $1,500 plus probe, also currency not stated, with software access guaranteed for five years and no recurring fees required.
Radiology · Reviewed November 2, 2026

Butterfly Network
by Butterfly Network, Inc.
Butterfly iQ handheld whole-body ultrasound probe line, with FDA-cleared AI tools for bladder volume and gestational age.

Circle Cardiovascular Imaging
by Circle Cardiovascular Imaging Inc. · founded 2007
cvi42 cardiac MR and CT software with FDA-cleared AI coronary plaque analysis and StrokeSENS acute stroke tools.
When to pick each one
Butterfly Network
- Core $299 a year plus probe, currency not stated
- One seat and two probes online on Core
Circle Cardiovascular Imaging
- Cardiac MR and CT analysis in cvi42
- Coronary plaque software cleared as K251027
- Integrated solutions with GE and Siemens
Score
Each row shows points earned of points available under the published rubric.
Butterfly Network
66of 100
Circle Cardiovascular Imaging
42of 100
| Dimension | Butterfly Network | Circle Cardiovascular Imaging | Difference |
|---|---|---|---|
| FDA clearance | 18 / 18 | 18 / 18 | 0 |
| HIPAA / SOC2 / BAA | 6 / 10 | 0 / 10 | +6 |
| EHR integrations (count) | 0 / 4.2 | 0 / 4.2 | 0 |
| Top-3 EHR coverage (Epic / Oracle / Athena) | 0 / 2.4 | 0 / 2.4 | 0 |
| Peer-reviewed papers | 12.7 / 18.2 | 0 / 18.2 | +12.7 |
| RCT / meta-analysis / systematic review | 7.8 / 7.8 | 0 / 7.8 | +7.8 |
| Funding & adoption signal | 8.4 / 12 | 8.4 / 12 | 0 |
| Pricing transparency | 2.5 / 5 | 2.5 / 5 | 0 |
| Years in market | 0 / 6 | 6 / 6 | -6 |
Scroll horizontally to see every column.
Pricing
Butterfly Network
| Tier | Monthly | Annual | Notes |
|---|---|---|---|
| Butterfly iQ3 device | n/a | n/a | Device price, 3-year warranty. Shown with a dollar sign on the page, currency not otherwise stated. |
| Butterfly iQ+ device | n/a | n/a | Device price, 1-year warranty. Also stated as starts at $2,699 in the FAQ. |
| Core Technology membership | n/a | n/a | Plus probe. 1 seat, 2 probes online. |
| Advanced Technology membership | n/a | n/a | Plus probe. Adds Doppler modes, iQ Slice, iQ Fan, Biplane, Needle Viz and the AI tools Auto Bladder Volume and Auto B-Line Counter. |
| Advanced Technology one-time | n/a | n/a | Plus probe. Software access guaranteed for 5 years, no recurring fees required. |
Circle Cardiovascular Imaging
| Tier | Monthly | Annual | Notes |
|---|---|---|---|
| Enterprise | n/a | n/a | No public price. |
Evidence
Butterfly Network
FDA decisions
K252148 (opens in new tab)510(k)2026-03-27
Butterfly Gestational Age Tool
K200980 (opens in new tab)510(k)2020-06-11
Auto 3D Bladder Volume Tool
Peer-reviewed
4 PubMed records name Butterfly Network.
- Comparison of in-person versus virtual ultrasound instruction for pediatric residents. (opens in new tab)
- Comparison of Six Handheld Ultrasound Devices by Pediatric Point of Care Ultrasound (POCUS) Experts. (opens in new tab)
- Breast assessment using next generation handheld ultrasound device based on silicon chips: a pilot study in senology. (opens in new tab)
Circle Cardiovascular Imaging
FDA decisions
K251027 (opens in new tab)510(k)2025-10-27
cvi42 Coronary Plaque Software Application
K250221 (opens in new tab)510(k)2025-07-01
StrokeSENS ASPECTS Software Application
K242781 (opens in new tab)510(k)2024-10-15
cvi42 Software Application
K241038 (opens in new tab)510(k)2024-06-07
Cardiac CT Function Software Application
K232661 (opens in new tab)510(k)2023-12-07
Myocardial Strain Software Application
Show 7 more
K222593 (opens in new tab)510(k)2023-01-18
TruPlan Computed Tomography Imaging Software
K213998 (opens in new tab)510(k)2022-07-28
cvi42 Auto Imaging Software Application
K212261 (opens in new tab)510(k)2021-10-14
StrokeSENS LVO
K202212 (opens in new tab)510(k)2021-02-19
TruPlan
K141480 (opens in new tab)510(k)2014-08-22
CVI42
K111373 (opens in new tab)510(k)2011-08-23
CT42 Cardiac CT Software
K082628 (opens in new tab)510(k)2008-11-20
CMR42 Cardiac MRI Imaging System
Compliance and integrations
Documented from each vendor’s own pages.
| Spec | Butterfly Network | Circle Cardiovascular Imaging |
|---|---|---|
| Free tier | ||
| HIPAA | ||
| SOC 2 Type II | ||
| EHR integrations | Not specified | Not specified |
| Founded | n/a | 2007 |
| HQ | n/a | CA |
Scroll horizontally to see both columns.
Common questions
Open the full radiology comparison
Acute-care triage, mammography screening, CCTA plaque analysis, mobile MRI. 30+ FDA-cleared platforms across stroke, oncology, cardiac. Enterprise sales only — we compared what's deployed where.
