Duo Security vs Rhombus Systems: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Duo Security and Rhombus Systems side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Duo Security leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Duo Security
Multi-factor authentication for enterprises
Best for you if:
- • You want a free tier before you commit
Rhombus Systems
Cloud-managed physical security system with AI-powered insights and open integration capabilities.
Best for you if:
- • You want comprehensive, integrated security solution covering cameras, access control, and sensors
| At a Glance | Duo Security | Rhombus Systems |
|---|---|---|
Starts at | Free plan, paid from $3/user/mo, billed monthly Essentials plan | From $12.42/mo, billed yearly Professional License (per camera) plan |
Category | Identity & Access Security | Security IoT Platforms |
Rating | 4.6/5 Capterra 4.7 · G2 4.5 1,051 reviews | 4.6/5 G2 4.6 610 reviews |
Free plan | Yes | No |
Watch out for | n/a | Storage limits (20-40 days) may incur extra costs |
Choose Duo Security or Rhombus Systems?
Choose Duo Security if
- You want a free tier before you commit
- You want enterprise MFA leader
- You want good security
- You work in identity & access, not security
Choose Rhombus Systems if
- You want comprehensive, integrated security solution covering cameras, access control, and sensors
- You want strong emphasis on cybersecurity and compliance
- You work in security, not identity & access
In-Depth Analysis
Duo Security
Multi-factor authentication for enterprises
Duo Security's pricing is fair, offering a generous free tier for up to 10 users.
Strengths
- Pro: Enterprise MFA leader
- Pro: Good security
- Pro: Easy setup
- Pro: Many integrations
- Pro: Cisco backing
Weaknesses
- Con: Expensive
- Con: Cisco pricing complexity
- Con: Per-user costs
- Con: UI dated
- Con: Better free alternatives
Key features
Rhombus Systems
Cloud-managed physical security system with AI-powered insights and open integration capabilities.
The Professional License at $149/year per camera is competitive for cloud-managed security, especially with AI insights.
Watch out
Storage limits (20-40 days) may incur extra costs
Strengths
- Pro: Comprehensive, integrated security solution covering cameras, access control, and sensors.
- Pro: Strong emphasis on cybersecurity and compliance.
- Pro: High degree of interoperability and an open API for custom integrations.
- Pro: AI-powered analytics provide proactive threat detection and operational efficiency.
- Pro: Scalable cloud-edge architecture supports large deployments and minimizes latency.
Weaknesses
- Con: Requires an ongoing license for all cameras to operate, in addition to hardware purchase.
- Con: Pricing structure involves hardware costs plus recurring license fees, which may be a significant upfront and ongoing investment.
- Con: Specific details on all 50+ integrations are not immediately available, requiring further inquiry.
Key features
Plans and prices: Duo Security vs Rhombus Systems
| Tool | Plans and prices | Source |
|---|---|---|
| Duo Security |
| duo.com/pricing read Oct 31, 2026 |
| Rhombus Systems |
| rhombus.com/pricing read Oct 26, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Duo Security pricing and Rhombus Systems pricing.
Key Takeaways
Duo Security
- Has a free plan
Rhombus Systems
- Choose if you want cloud-managed physical security system with AI-powered insights and open integration capabilities
What the data shows
On the data below, Duo Security leads on a free plan. We do not name an overall winner for this pair.
- User ratings are within 0.2 points (4.6/5 from 1,051 reviews for Duo Security, 4.6/5 from 610 reviews for Rhombus Systems).
- Entry prices are not ranked, they are charged on different bases: Duo Security $3/user/mo, billed monthly; Rhombus Systems $12.42/mo, billed yearly.
- Only Duo Security has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Duo Security and Rhombus Systems compare in 2026?
On the data below, Duo Security leads on a free plan. We do not name an overall winner for this pair. User ratings are within 0.2 points (4.6/5 from 1,051 reviews for Duo Security, 4.6/5 from 610 reviews for Rhombus Systems). Entry prices are not ranked, they are charged on different bases: Duo Security $3/user/mo, billed monthly; Rhombus Systems $12.42/mo, billed yearly. Only Duo Security has a free plan.
What are Duo Security and Rhombus Systems used for?
Duo Security: Multi-factor authentication for enterprises. Rhombus Systems: Cloud-managed physical security system with AI-powered insights and open integration capabilities.
What does Duo Security cost vs Rhombus Systems?
Duo Security's cheapest paid plan is Essentials at $3/user/mo, billed monthly; it also has a free plan. Rhombus Systems's cheapest paid plan is Professional License (per camera) at $12.42/mo, billed yearly. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.
What's the main difference between Duo Security and Rhombus Systems?
Duo Security's main strength: enterprise MFA leader. Rhombus Systems's main strength: comprehensive, integrated security solution covering cameras, access control, and sensors.