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Best click fraud detection tools
The leading click fraud detection tools are ClickLens, ClickCease, CHEQ, Lunio, Fraud Blocker and TrafficGuard. They differ most on price, scoring transparency, and whether they grade the conversion or only block the click. ClickLens is the self-serve option that scores each session and conversion in the open, from a free plan.
Tools compared at a glance
| Tool | What it is | Starting price | Free plan | Self-serve |
|---|---|---|---|---|
| ClickLens | Self-serve scoring of every session and conversion, in the open | Free, then $49/mo | ||
| ClickCease | Self-serve, pre-conversion pixel suppression | $63–84/mo | ||
| CHEQ | Enterprise go-to-market security platform, sales-led | Quote (not publicly listed) | ||
| Lunio | Enterprise, sales-led, conversion validation | ~€500/mo (custom quote) | ||
| Fraud Blocker | Self-serve IP blocking for Google + Meta | $79/mo ($63 billed annually) | ||
| TrafficGuard | Click-level PPC blocking with affiliate-fraud coverage | $49/mo (Shield) |
ClickLens is the publisher of this page; its figures are first-party and match the per-tool comparison pages linked below. Competitor figures are compiled from each vendor’s public site (see sources).
Which one fits
- ClickLens — Advertisers who want transparent per-signal scoring and conversion-level grading without a sales call.
- ClickCease — Google / Meta / Microsoft advertisers wanting pre-conversion pixel suppression.
- CHEQ — Large brands wanting broad multi-channel coverage with a vendor relationship.
- Lunio — Enterprise advertisers with procurement teams and large budgets.
- Fraud Blocker — Advertisers who want simple Google + Meta IP blocking.
- TrafficGuard — Advertisers who also need affiliate-fraud coverage.
Most of these tools stop at the click. ClickLens also grades the conversion — a fake form fill or checkout trains your smart bidding to buy more of the traffic that produced it — and publishes a daily efficacy methodology. New to the terms? Start with the ad fraud glossary.
Common questions
What is the best click fraud detection tool?
There is no single best tool — it depends on whether you want self-serve or enterprise, and whether you need to grade conversions or only block clicks. ClickLens is the self-serve option that scores each session and conversion transparently from a free plan; ClickCease, CHEQ and Lunio suit teams that want broader managed coverage; Fraud Blocker and TrafficGuard focus on click-level IP blocking.
Is there a free click fraud detection tool?
ClickLens has a permanent free plan covering 1,000 sessions a month with no credit card. Most alternatives — ClickCease, Lunio, CHEQ, Fraud Blocker and TrafficGuard — offer a time-limited free trial rather than a standing free plan.
What is the cheapest click fraud detection tool?
ClickLens is the lowest-priced of the tools compared here, starting free and then $49/mo. TrafficGuard’s Shield tier also starts at $49/mo, Fraud Blocker starts at $79/mo ($63 billed annually), ClickCease runs $63–84/mo, and Lunio and CHEQ are quote-only enterprise pricing.
See every session and conversion scored
Install one tag and watch ClickLens grade your traffic in the open. Free plan with 1,000 sessions a month, no credit card.
Sources
- ClickCease details compiled from clickcease.com public pages and the Shopify App Store on 24 June 2026 and reflect its public offering as of that date. Capabilities not stated publicly are marked accordingly rather than asserted absent. Pricing and features change; verify current details at clickcease.com.
- CHEQ details compiled from cheq.ai (homepage, Acquisition and click-fraud solution pages), its 2022 data-processing addendum, and the Shopify App Store on 24 June 2026, and reflect its public offering as of that date. The “99.2% accuracy” figure is CHEQ’s own marketing claim; capabilities not stated on CHEQ’s site are marked “not publicly documented” rather than asserted absent. The 3-month retention figure comes from a 2022 document and may not be current. Pricing and features change; verify current details at cheq.ai.
- Lunio details compiled from lunio.ai public pages on 24 June 2026 and reflect its public offering as of that date. Lunio’s pricing is not public; the ~€500/mo figure is a reported floor. Capabilities not stated publicly are marked accordingly rather than asserted absent. Pricing and features change; verify current details at lunio.ai.
- Fraud Blocker details compiled from fraudblocker.com (pricing, features and help-centre pages) on 24 June 2026 and reflect its public offering as of that date. Capabilities not stated on Fraud Blocker’s site are marked accordingly rather than asserted absent. Pricing and features change; verify current details at fraudblocker.com.
- TrafficGuard details compiled from trafficguard.ai (homepage, pricing, PPC, Google Search, affiliate and security pages) on 24 June 2026 and reflect its public offering as of that date. Capabilities not stated on TrafficGuard’s site are marked “not listed/published” rather than asserted absent. Pricing and features change; verify current details at trafficguard.ai. ClickLens write-back and platform-sync items noted as “rolling out” are in measured release.