Rhombus Systems vs Duo Security: Which is Better in 2026?
Choosing between Rhombus Systems and Duo Security comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Duo Security wins this matchup. 1Password is our overall Security pick. LastPass is our free Security pick. Pick Rhombus Systems if you need its specific feature set.
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:
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
Duo Security
Multi-factor authentication for enterprises
Best for you if:
- • You want a free tier before you commit
| At a Glance | Rhombus Systems | Duo Security |
|---|---|---|
Starts at | $149/mo Professional License (per camera) | Free Free plan |
Category | Security IoT Platforms | Security Identity & Access |
Rating | 4.6/5 G2 4.6 610 reviews | 4.6/5 Capterra 4.7 · G2 4.5 1,051 reviews |
Free plan | No | Yes |
Watch out for | Storage limits (20-40 days) may incur extra costs | n/a |
Choose Rhombus Systems or Duo 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
Choose Duo Security if
- You want a free tier before you commit
- You want enterprise MFA leader
- You want good security
In-Depth Analysis
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
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
Pricing: Rhombus Systems vs Duo Security
| Plan | Rhombus Systems | Duo Security |
|---|---|---|
| Tier 1 | $149/year Professional License (per camera) | Free Free |
| Tier 2 | Contact us Enterprise License (per camera) | $3 /user/month Essentials |
| Tier 3 | $498 R120 Mini Dome 2MP (Hardware + Professional License for 1 year) | $6 /user/month Advantage |
| Tier 4 | $648 R200 Mini Dome 5MP (Hardware + Professional License for 1 year) | $9 /user/month Premier |
| Tier 5 | $1,048 R230 WiFi Dome 5MP (Hardware + Professional License for 1 year) | N/A |
| Tier 6 | $1,548 R410 Dome 8MP (Hardware + Professional License for 1 year) | N/A |
| Tier 7 | $1,648 R360S Fisheye 12MP (Hardware + Professional License for 1 year) | N/A |
| Tier 8 | $1,648 R540 Standard Zoom Bullet 8MP (Hardware + Professional License for 1 year) | N/A |
| Tier 9 | $1,648 R545 Telephoto Bullet 8MP (Hardware + Professional License for 1 year) | N/A |
| Tier 10 | $1,048 R520 Mini Bullet 5MP (Hardware + Professional License for 1 year) | N/A |
| Tier 11 | $3,698 R600 Multisensor 4 x 5MP (Hardware + Enterprise License for 1 year) | N/A |
| Tier 12 | $848 R150 Mini Split 4.2MP (Hardware + Professional License for 1 year) | N/A |
| Tier 13 | $1,999 Relay Core N100 (Hardware + License) | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Rhombus Systems pricing and Duo Security pricing.
Key Takeaways
Duo Security
- Larger review base (1,051 reviews)
- Free tier available
- Our pick for this comparison
Rhombus Systems
- Choose if you want cloud-managed physical security system with AI-powered insights and open integration capabilities
The Bottom Line
Duo Security wins this matchup. 1Password is our overall Security pick. LastPass is our free Security pick.
Frequently Asked Questions
Is Rhombus Systems or Duo Security better in 2026?
Duo Security wins this matchup. 1Password is our overall Security pick. LastPass is our free Security pick. Pick Rhombus Systems for security workflows (main strength: comprehensive, integrated security solution covering cameras, access control, and sensors). Pick Duo Security for security workflows (main strength: enterprise MFA leader).
What are Rhombus Systems and Duo Security used for?
Rhombus Systems: Cloud-managed physical security system with AI-powered insights and open integration capabilities. Duo Security: Multi-factor authentication for enterprises.
What does Rhombus Systems cost vs Duo Security?
Rhombus Systems's paid plans start at $149/mo (Professional License (per camera)). Duo Security's paid plans start at Free (Essentials).
What's the main difference between Rhombus Systems and Duo Security?
Rhombus Systems's main strength: comprehensive, integrated security solution covering cameras, access control, and sensors. Duo Security's main strength: enterprise MFA leader.