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Avo vs Zio

Avo's press release lists DynaMed (EBSCO Clinical Decisions), MCG and KDIGO as partners, and its buyer is a health system's informatics office rolling out guideline pathways. iRhythm sells a monitoring service. A wear-and-send Zio patch feeds a deep-learning arrhythmia analysis, cardiac technicians validate the findings, and a physician report follows. The company is public with 18 FDA 510(k) clearances, the latest the ZEUS Platform in May 2026, and the vendor lists CE, UKCA and PMDA marks. It bills through Medicare-enrolled IDTFs and publishes no price. The record includes an FDA warning letter of May 25, 2023 over Zio AT changes, with a Form 483 after July 2024 inspections, and the 10-K says FDA issues remain open and a further warning letter, consent decree or recall is possible.

A cardiology group that wants ambulatory ECG monitoring cannot get it from Avo, and an informatics office that wants pathways in the chart cannot get them from a patch.

Decision support · Reviewed November 2, 2026

Avo logo

Avo

by AvoMD

Guideline-based clinical decision support and EHR chart assistants for health systems, with ambient documentation.

ZI

Zio

by iRhythm Technologies · founded 2006

Zio ECG patch service: a deep-learning algorithm flags arrhythmias, cardiac technicians validate them, and a physician report follows.

When to pick each one

Avo

  • DynaMed, MCG and KDIGO named as partners
  • Evidence-grounded pathways for health systems
Read the full Avo review

Zio

  • 18 FDA 510(k) clearances, public company
  • Patch, deep-learning analysis and technician review
Read the full Zio review

Score

Each row shows points earned of points available under the published rubric.

Avo

18of 100

Tracked

Zio

69of 100

Top-ranked
Score by dimension for Avo and Zio
DimensionAvoZioDifference
FDA clearance0 / 1212 / 12-12
HIPAA / SOC2 / BAA6 / 100 / 10+6
EHR integrations (count)1.7 / 5.60 / 5.6+1.7
Top-3 EHR coverage (Epic / Oracle / Athena)3.4 / 4.80 / 4.8+3.4
Bidirectional write-back0 / 1.20 / 1.20
Peer-reviewed papers0 / 2121 / 21-21
RCT / meta-analysis / systematic review0 / 99 / 9-9
Funding & adoption signal3 / 128.4 / 12-5.4
Pricing transparency1.3 / 2.51.3 / 2.50
Years in market0 / 66 / 6-6

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How scores are computed

Pricing

Avo

TierMonthlyAnnualNotes
Enterprisen/an/aNo public price. The pricing page returns 404; the site offers a demo booking only.

Zio

TierMonthlyAnnualNotes
Enterprisen/an/aNo public price.

Evidence

Avo

FDA decisions

No FDA decision cited in our research as of November 2, 2026.

Zio

FDA decisions

Show 13 more

Peer-reviewed

5 PubMed records name Zio.

Compliance and integrations

Documented from each vendor’s own pages.

SpecAvoZio
Free tierNo / unverifiedNo / unverified
HIPAANo / unverifiedNo / unverified
SOC 2 Type IIYesNo / unverified
EHR integrationsEpic, athenahealth, MEDITECHNot specified
Foundedn/a2006
HQUSUS

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Common questions

Open the full decision support comparison

Differential diagnosis, treatment guidance, drug interactions, evidence-grounded Q&A. The CDS landscape ranges from the UpToDate gold standard to physician-only OpenEvidence. We compared what clinicians actually use.