Mimecast vs Sift: 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 Mimecast and Sift side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a 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:
Mimecast
AI-powered human risk management and advanced email security for modern organizations.
Best for you if:
- • You want unified platform for email security, human risk, and insider risk management
Sift
Stop fraud fast and grow revenue faster with AI-powered digital trust and safety solutions.
Best for you if:
- • You want fraud prevention
| At a Glance | Mimecast | Sift |
|---|---|---|
Starts at | Not published | From $500/mo, billed monthly Starter plan |
Category | Security Email | Security AI & Automation |
Rating | 4.4/5 G2 4.4 · Capterra 4.3 440 reviews | 4.6/5 G2 4.6 610 reviews |
Free plan | No | No |
Watch out for | n/a | Overage fees run 20-50% higher than base per-event rates, volume spikes hurt |
Choose Mimecast or Sift?
Choose Mimecast if
- You want unified platform for email security, human risk, and insider risk management
- You want leverages advanced AI and decades of threat intelligence for superior protection
Choose Sift if
- You want fraud prevention
- You want machine learning
In-Depth Analysis
Mimecast
AI-powered human risk management and advanced email security for modern organizations.
Strengths
- Pro: Unified platform for email security, human risk, and insider risk management.
- Pro: Leverages advanced AI and decades of threat intelligence for superior protection.
- Pro: Recognized as a leader in Gartner Magic Quadrants for Email Security and Digital Communications Governance.
- Pro: Offers rapid deployment and actionable insights for insider risk management without complex policy setup.
- Pro: Reduces shadow AI use and promotes secure adoption of AI tools.
Weaknesses
- Con: No free tier available for evaluation.
- Con: Requires integration with existing systems, which might have an initial setup phase.
Key features
Sift
Stop fraud fast and grow revenue faster with AI-powered digital trust and safety solutions.
Unlike Riskified or Forter, Sift does not absorb chargeback liability, you get risk scores and decision tools, not a financial guarantee.
Watch out
Overage fees run 20-50% higher than base per-event rates, volume spikes hurt
Strengths
- Pro: Fraud prevention
- Pro: Machine learning
- Pro: Good for e-commerce
- Pro: Active development
- Pro: Enterprise ready
Weaknesses
- Con: Expensive
- Con: Complex implementation
- Con: Learning curve
- Con: Per-decision pricing
- Con: Enterprise focus
Key features
Plans and prices: Mimecast vs Sift
| Tool | Plans and prices | Source |
|---|---|---|
| Mimecast | No plan prices on file | mimecast.com |
| Sift |
| sift.com read Oct 3, 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 Mimecast pricing and Sift pricing.
Key Takeaways
Mimecast
- Choose if you want AI-powered human risk management and advanced email security for modern organizations
Sift
- Choose if you want stop fraud fast and grow revenue faster with AI-powered digital trust and safety solutions
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings are within 0.2 points (4.4/5 from 440 reviews for Mimecast, 4.6/5 from 610 reviews for Sift).
- Sift starts at $500/mo, billed monthly; Mimecast has no public paid plan price on file.
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 Mimecast and Sift compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings are within 0.2 points (4.4/5 from 440 reviews for Mimecast, 4.6/5 from 610 reviews for Sift). Sift starts at $500/mo, billed monthly; Mimecast has no public paid plan price on file.
What are Mimecast and Sift used for?
Mimecast: AI-powered human risk management and advanced email security for modern organizations. Sift: Stop fraud fast and grow revenue faster with AI-powered digital trust and safety solutions.
What does Mimecast cost vs Sift?
Mimecast has no public paid-plan price on file. Sift's cheapest paid plan is Starter at $500/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 3, 2026.
What's the main difference between Mimecast and Sift?
Mimecast's main strength: unified platform for email security, human risk, and insider risk management. Sift's main strength: fraud prevention.