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Rapid7 InsightIDR vs ThreatLocker

Updated June 2026 · A structured head-to-head comparison.

Cloud SIEM and XDR for lean teams

Application allowlisting and zero trust endpoint control

The verdict

Both Rapid7 InsightIDR and ThreatLocker are credible security privacy tools, and the right pick comes down to your priorities.

Rapid7 InsightIDR — Cloud SIEM and XDR for lean teams

Choose ThreatLocker if you'd rather have broader platform coverage and a higher overall rating (4.8/5). Application allowlisting and zero trust endpoint control

Rapid7 InsightIDR vs ThreatLocker: side by side

DimensionRapid7 InsightIDRThreatLocker
Starting priceCustomCustom
Free planNoNo
Free trial30 days30 days
Pricing modelSubscriptionSubscription
Best forSmb, Enterprise, Security TeamsSmb, Msp, It Teams
PlatformsWeb, ApiWindows, Mac, Linux, ApiWinner
Rating4.4/54.8/5Winner

Rapid7 InsightIDR key facts

Vendor
Rapid7
Pricing
Subscription — Custom
Free tier
Free trial (30 days)
Platforms
Web, Api
Best for
Smb, Enterprise, Security Teams
Editor rating
4.4 / 5
Founded
2000
Headquarters
Boston, USA

ThreatLocker key facts

Vendor
ThreatLocker
Pricing
Subscription — Custom
Free tier
Free trial (30 days)
Platforms
Windows, Mac, Linux, Api
Best for
Smb, Msp, It Teams
Editor rating
4.8 / 5
Founded
2017
Headquarters
Orlando, USA

Frequently asked questions

Is Rapid7 InsightIDR better than ThreatLocker?

Neither is universally better — ThreatLocker edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is Rapid7 InsightIDR or ThreatLocker cheaper?

Rapid7 InsightIDR is the more affordable of the two to get started, at custom. Rapid7 InsightIDR starts at custom; ThreatLocker starts at custom.

Can Rapid7 InsightIDR replace ThreatLocker?

Yes for most teams — both are security privacy tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.