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BIO-key vs Cisco Duo comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

BIO-key
Ranking in Authentication Systems
50th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
Cisco Duo
Ranking in Authentication Systems
2nd
Average Rating
8.8
Reviews Sentiment
7.2
Number of Reviews
85
Ranking in other categories
Single Sign-On (SSO) (3rd), Access Management (4th), ZTNA as a Service (5th), Cisco Security Portfolio (2nd), Multi-Factor Authentication (MFA) (1st)
 

Mindshare comparison

As of January 2026, in the Authentication Systems category, the mindshare of BIO-key is 0.4%, up from 0.1% compared to the previous year. The mindshare of Cisco Duo is 5.3%, down from 10.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Authentication Systems Market Share Distribution
ProductMarket Share (%)
Cisco Duo5.3%
BIO-key0.4%
Other94.3%
Authentication Systems
 

Featured Reviews

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Charles Slaustas - PeerSpot reviewer
Information Technology Contractor at Insight global
Supports seamless authentication for users across multiple organizations and personal portals
The features I use in Cisco Duo include Duo Pushes to confirm my identity to the device, and eventually as MFA security was increased, I actually had to use exchange passcodes. Sometimes, I have to go into the site and get into Cisco Duo to retrieve the passcode, and many of them have been two-factor, where the sites send a passcode that I have to enter into Cisco Duo. It has been more of the latter. I have not seen issues with lagging or crashing on Cisco Duo's end; it was usually on the client end, often because someone set up a bad upgrade or there were connection issues with the Cisco Duo cloud through the administrative site.
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Top Industries

By visitors reading reviews
No data available
Computer Software Company
13%
Manufacturing Company
11%
Government
7%
Financial Services Firm
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise18
Large Enterprise39
 

Questions from the Community

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How does Duo Security compare with Microsoft Authenticator?
We switched to Duo Security for identity verification. We’d been using a competitor but got the chance to evaluate Duo for 30 days, and we could not be happier. Duo Security is easy to configure a...
What do you like most about Duo Security?
They are users who, as mentioned before, utilize RDPAP and MDPAP. It includes functionalities related to finance, specifically in single sign-on.
What is your experience regarding pricing and costs for Duo Security?
My experience with pricing, setup cost, and licensing reveals that one of the most powerful features is the licensing model and the price. According to the pricing, it is really fantastic to get th...
 

Comparisons

 

Also Known As

No data available
Duo Security
 

Overview

 

Sample Customers

The World Bank, Virginia Tech University, Univerisity of Iowa Hospitals & Clinics, Union Pacific, St. Luke's Hospital, Singapore Police Force, Security State Bank, Omnicell, Mastercard, Lockheed Martin
Information Not Available
Find out what your peers are saying about Microsoft, Cisco, Fortinet and others in Authentication Systems. Updated: December 2025.
879,768 professionals have used our research since 2012.