Mimecast vs Datadog: Which is Better in 2026?
Choosing between Mimecast and Datadog 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Mimecast
AI-powered human risk management and advanced email security for modern organizations.
Best for you if:
- • You need security features specifically
- • Secures email and collaboration platforms with AI-powered threat detection.
- • Manages human risk by identifying vulnerable users and providing security training.
Datadog
Cloud monitoring, security, and AI investigations for DevOps
Best for you if:
- • You want to try before committing
- • You need monitoring features specifically
- • Cloud monitoring and security platform
- • Unified observability across infrastructure
| At a Glance |  Mimecast |  Datadog |
|---|---|---|
Starts at | Paid | $15/host/month (annual)Infrastructure Pro |
Best For | Security | Monitoring |
Rating | - | - |
Choose Mimecast or Datadog?
Choose Mimecast if
AI-powered human risk management and advanced email security for modern organizations.
- Unified platform for email security, human risk, and insider risk management.
- Leverages advanced AI and decades of threat intelligence for superior protection.
- Recognized as a leader in Gartner Magic Quadrants for Email Security and Digital Communications Governance.
- Your work is security-shaped, not monitoring-shaped
Choose Datadog if
Cloud monitoring, security, and AI investigations for DevOps
- Comprehensive platform
- Great visualizations
- 700+ integrations
- You want a free tier before you commit
- Your work is monitoring-shaped, not security-shaped
| Feature | Mimecast | Datadog |
|---|---|---|
| Pricing Model | Paid | Freemium |
| User Rating | ★4.3/5 501 reviews | ★4.4/5 1,156 reviews |
| Categories | SecurityEmail | MonitoringLog Management |
In-Depth Analysis
Mimecast
AI-powered human risk management and advanced email security for modern organizations.
Strengths
- +Unified platform for email security, human risk, and insider risk management.
- +Leverages advanced AI and decades of threat intelligence for superior protection.
- +Recognized as a leader in Gartner Magic Quadrants for Email Security and Digital Communications Governance.
- +Offers rapid deployment and actionable insights for insider risk management without complex policy setup.
- +Reduces shadow AI use and promotes secure adoption of AI tools.
Weaknesses
- -No free tier available for evaluation.
- -Requires integration with existing systems, which might have an initial setup phase.
Key features
Datadog
Cloud monitoring, security, and AI investigations for DevOps
Strengths
- +Comprehensive platform
- +Great visualizations
- +700+ integrations
Weaknesses
- -Complex pricing
- -Can be expensive
Key features
Pricing: Mimecast vs Datadog
| Plan | Mimecast | Datadog |
|---|---|---|
| Tier 1 | N/A | Free Free |
| Tier 2 | N/A | $15 /host/month (annual) Infrastructure Pro |
| Tier 3 | N/A | $23 /host/month (annual) Infrastructure Enterprise |
| Tier 4 | N/A | $31 /host/month (annual, with Infra) APM |
| Tier 5 | N/A | $40 /host/month (annual, with Infra) APM Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Mimecast pricing and Datadog pricing.
Who Should Use What?
On a budget?
Datadog has a free tier. Mimecast is paid only.
Go with: Datadog
Want the highest-rated option?
Neither has user reviews yet.
Go with: Mimecast
Value user reviews?
Neither has user reviews yet.
Go with: Datadog
3 Questions to Help You Decide
What's your budget?
Mimecast is paid. Datadog is freemium. Datadog lets you start free.
What's your use case?
Mimecast is a security tool. Datadog is in monitoring. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Datadog
- Higher user rating: 4.4/5 vs 4.3/5
- Larger review base (1,156 reviews)
- Free tier available
- Our pick for this comparison
Mimecast
- Better fit for security
The Bottom Line
Datadog is our pick.
Frequently Asked Questions
Is Mimecast or Datadog better?
Datadog is rated in our evaluation. Mimecast is paid and Datadog is freemium.
What are Mimecast and Datadog used for?
Mimecast: AI-powered human risk management and advanced email security for modern organizations.. Datadog: Cloud monitoring, security, and AI investigations for DevOps.
What does Mimecast cost vs Datadog?
Mimecast is a paid tool. Datadog is freemium (free tier + paid plans). Visit their websites for detailed pricing.