No. 4 of 25 ·AI Noise Cancellation Software

Noise Blocker

Windows

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Noise Blocker is ranked #4 of 25 in AI noise cancellation software on Freedom251. It runs on Windows. There is a free plan. A free trial is offered.

Noise Blocker plans and pricing

All plans

Business trial Free 30-day trial; no card required Up to 20 employees or computers · request and approval required closedlooplabs.com · 5 Oct 2026

Free version Free 30 minutes of noise blocking per week · no email required closedlooplabs.com · 5 Oct 2026

Personal license renewal $30 once One-time payment for another 12 months Existing license key · 12 months of updates and priority support closedlooplabs.com · 5 Oct 2026

Personal license $50 once One-time payment One person · up to 3 PCs · 12 months of updates and priority support · indefinite use of covered versions · 14-day money-back guarantee closedlooplabs.com · 5 Oct 2026

Business license Not published Graduated one-time pricing, excluding VAT: $70 each for 1–9 licenses, $60 each for 10–39, and $50 each for 40+ Per employee: one person on up to 2 computers · Per computer: one shared computer for any number of users · More than 200 licenses: custom quote closedlooplabs.com · 5 Oct 2026

Compared on AI noise cancellation software

Free plan: No
Real-time cancellation: Yes
Supported operating systems: windows
Recording support: Yes
Streaming support: Yes
Audio source support: microphone

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The record

Purpose: Noise Blocker removes microphone background sounds such as fans, keyboards, clicks, hiss, and room noise in real time.
AI noise cancellation: Version 3 uses AI to separate the user's voice from unwanted background noise and is designed to run on everyday laptops.
Automatic setup: The maker says the app works without tuning or complicated setup.
Integrations: The site lists Zoom, Google Meet, Discord, Slack, Teams, and OBS as compatible calling or recording apps.
Supported OS: Noise Blocker supports Windows 10 and Windows 11; the FAQ says other operating systems are not currently supported.
Latency: The FAQ says audio processing adds about 80 milliseconds of latency, varying by system.
Privacy: The privacy policy says website analytics are cookieless, do not create individual visitor profiles, and are not used for advertising or cross-site tracking.
License activation data: For license validation, the maker may process activation history, app version, activation dates, and a hashed or pseudonymised device identifier.
Payment security: The purchase page says card payments are processed by Stripe, a PCI Service Provider Level 1 processor, and the maker does not see or store payment details.
Support: Personal licenses include 12 months of priority support, and the FAQ directs users with questions to email support.
Personal license limit: A personal license can be used on up to three computers at once and may be shared with family members in the household.
Business trial: Business trial requests are reviewed, and the 30-day period starts when the first trial device connects; no card is required and there is no automatic charge.
Business license limit: Business pricing supports up to 200 licenses on the page; the maker offers a custom quote for larger rollouts.
Headquarters: Netherlands
Price from: Free

Where it ranks on Freedom251

Best AI Noise Cancellation Software in 2026#4 of 25

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Sources

closedlooplabs.com· checked 5 Oct 2026
closedlooplabs.com/noise-blocker/announcements/noise-block· checked 5 Oct 2026
closedlooplabs.com/noise-blocker/faq· checked 5 Oct 2026
closedlooplabs.com/privacy-policy· checked 5 Oct 2026
closedlooplabs.com/noise-blocker/buy· checked 5 Oct 2026
closedlooplabs.com/noise-blocker/business· checked 5 Oct 2026
closedlooplabs.com/noise-blocker/renew· checked 5 Oct 2026