Proton vs SentinelOne Pricing (2026)
Compare / Proton vs SentinelOne
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Team size
25 seats

Proton vs SentinelOne

Cybersecurity pricing comparison · 2026

Proton pricing ranges from $0–$29.99/month, while SentinelOne ranges from $5.83–$17.5/endpoint/month. SentinelOne is typically 45% more affordable, though your actual cost depends on tier and team size.

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See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
Visit Proton pricing
Free plan limits → Discount programs →
Affiliate partner — does not affect ranking.
Visit SentinelOne pricing
Discount programs →
Compare
2 products · Cybersecurity
Side-by-side · live
Proton
Proton is a Swiss-based privacy company offering end-to-end encrypted alternatives to main
verified 27d ago
$200 $400
View pricing →
SentinelOne
SentinelOne pricing ranges from $5.
verified 27d ago
$200 $400
View pricing →
Verdict · Vendr median · year 1
Proton saves $200 vs SentinelOne · 25 seats
Cheapest $200
Spread 50%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Mail Plus (Monthly)
$1.5K/yr
year 1 license · $5/seat
Singularity Control
$2.0K/yr
year 1 license · $7/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$200/yr
Vendr · n=50
Median annual
$400/yr
Vendr · n=41
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 13 sourced facts
9 hidden-cost · 2 contract · Vendr median · 1 review platform
Last verified 3w ago
Confidence High confidence
Sources 5 sourced facts
4 hidden-cost · Vendr median
Last verified 3w ago
Confidence High confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
5 documented
  • Limited Free Tier Storage
    Upgrade to paid plan ($9.99-$12.99/month) once storage fills
    1 source
  • Platform Feature Parity Gaps
    No direct cost, but reduced productivity on mobile
    1 source
  • Ecosystem Lock-in
    Hours of migration effort; Proton Bridge required for third-party email clients
    1 source
  • Storage Overage Blocks Email
    $4-$10/month
    1 source
  • Grandfathered Pricing Loss on Plan Changes
    10-30% price increase
    2 sources
3 documented
  • Cloud Funnel for SIEM Integration
    $1-2/endpoint/month
    1 source
  • Extended Data Retention
    5-15% of license costs
    2 sources
  • Forced Renewal Add-ons
    $800-1000 per renewal
    1 source
REF · 04

Contract terms

The fine print, surfaced. Green = buyer-friendly. Each clause backed by a quoted source.

Proton
SentinelOne
Auto-renewal
Yes
Yes
Cancellation
30 days notice before renewal for annual plans
—
Commitment
✓ Varies by plan (monthly, 1-year, or 2-year)
—
Price escalation
Prices subject to change. Legacy pricing locked in if no subscription changes made. New pricing applies at renewal if subscription modified.
—
Can downgrade
✓ Yes
—
Based on 2 verified sources (Vendr · TrustRadius · BBB)
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
Trustpilot
2.4/5
G2
4.4/5 (132)
Best for
Privacy-conscious individuals who want basic encrypted email, VPN, and password manager at no cost
Watch out
Confusing and inconsistent pricing structure
No public ratings yet
Best for
Small businesses and startups needing autonomous endpoint protection at an affordable price
Watch out
Add-on costs for basic features like SIEM integration
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit Proton pricing
Free plan limits → Discount programs →
Affiliate partner — does not affect ranking.
Visit SentinelOne pricing
Discount programs →
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
Cybersecurity

Proton

$0–$29.99
/month
7 plans · Free tier
Full pricing breakdown →
VS
Cybersecurity

SentinelOne

$5.83–$17.5
/endpoint/month
5 plans
Full pricing breakdown →

Proton and SentinelOne both operate in the cybersecurity category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan Proton SentinelOne
Free Free /user/month $5.83 /endpoint/month
Mail Plus (Yearly) $3.99 /user/month $6.67 /endpoint/month
Mail Plus (Monthly) $4.99 /user/month $8.25 /endpoint/month
Unlimited (Monthly) $12.99 /user/month $17.50 /endpoint/month
Unlimited (1-Year) $9.99 /user/month Custom
Duo $14.99 /user/month —
Family $29.99 /user/month —

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

Proton

6 scenarios
$9.99/month ($119.88/year on the 1-Year plan)
Individual Privacy User
$14.99/month ($179.88/year, or $7.50/user/month)
Couple Sharing Privacy Suite
$29.99/month ($359.88/year, or $5.00/user/month)
Privacy-Focused Family (6 members)
See all 6 scenarios →

SentinelOne

4 scenarios
$292/month ($3,500/year at $69.99/device)
Small Business (50 endpoints)
$4,125/month ($49,500/year at $99/device, before volume discounts)
Mid-Market with XDR (500 endpoints)
$35,000/month ($419,980/year at $209.99/device, before volume discounts)
Enterprise with Managed Hunting (2,000 endpoints)
See all 4 scenarios →

Market Intelligence

Proton

Median annual cost
$200
Based on
50 deals

SentinelOne

Median annual cost
$400
Based on
41 deals

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

Proton 7 hidden costs

medium
Limited Free Tier Storage Upgrade to paid plan ($9.99-$12.99/month) once storage fills
low
Platform Feature Parity Gaps No direct cost, but reduced productivity on mobile
medium
Ecosystem Lock-in Hours of migration effort; Proton Bridge required for third-party email clients
high
Storage Overage Blocks Email $4-$10/month
medium
Grandfathered Pricing Loss on Plan Changes 10-30% price increase
See all Proton hidden costs →

SentinelOne 3 hidden costs

high
Cloud Funnel for SIEM Integration $1-2/endpoint/month
medium
Extended Data Retention 5-15% of license costs
medium
Forced Renewal Add-ons $800-1000 per renewal
See all SentinelOne hidden costs →

Contract Terms

Term Proton SentinelOne
Auto-renewal Yes Yes
Cancellation 30 days notice before renewal for annual plans —
Minimum commitment Varies by plan (monthly, 1-year, or 2-year) —
Price escalation Prices subject to change. Legacy pricing locked in if no subscription changes made. New pricing applies at renewal if subscription modified. —
Can downgrade Yes —

Continue researching

Proton

SentinelOne

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