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Head-to-head · AI Noise Cancellation Software

SoliCall Noise Firewall vs Alt Denoiser

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score SoliCall Noise Firewall #7 in AI Noise Cancellation Software 8.3/10 Pricing on request ✓ 3 of 5 features Visit SoliCall
Alt Denoiser #8 in AI Noise Cancellation Software 8.0/10 Open source ✓ 2 of 5 features Visit Alt Denoiser

SoliCall Noise Firewall leads on 0 checks, Alt Denoiser on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSoliCall Noise Firewall · 8.3/10
  • Most featuresSoliCall Noise Firewall · 3 of 5

SoliCall Noise Firewall scores higher on our rubric for ai noise cancellation software: 8.3 against 8.0 out of 10; our editors rank them #7 and #8.

SoliCall Noise Firewall is the better fit for contact centers needing call-quality analytics. Alt Denoiser is the better fit for open-source developers and plugin users.

  • SoliCall Noise Firewall fits best

    Contact centers needing call-quality analytics

  • Alt Denoiser fits best

    Open-source developers and plugin users

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Side by side

Feature SoliCall Noise Firewall 8.3/10 Visit ↗ Alt Denoiser 8.0/10 Visit ↗
At a glance
Editor score 8.3 8.0
Ranking #7 in AI Noise Cancellation Software #8 in AI Noise Cancellation Software
Best for Contact centers needing call-quality analytics Open-source developers and plugin users
Pricing model Paid Free
Starting price Pricing on request Open source
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Self-hosted Desktop
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Built for Small business, Mid-market, Enterprise Solo, Small business
Features SoliCall Noise Firewall 3/5 · Alt Denoiser 2/5
Real-time cancellation ✓ ✓
Recording support Not checked yet ✓ (best)
Streaming support Not checked yet Not checked yet
Voice isolation ✓ (best) Not checked yet
Echo cancellation ✓ (best) Not checked yet
Specs
Supported operating systems Windows_macos Windows_macos
Audio source support Microphone_system_audio Not checked yet
Our review
Pros
  • Filters ambient noise and background human voices in both directions
  • Tracks real-time, completed-call, and Noise Map statistics
  • Supports Avaya, Genesys, RingCentral, Zoom, Teams, and SIP
  • Real-time AI suppression with the embedded DeepFilterNet3 model
  • Supports VST3, VST2, AU, LV2, and standalone formats
  • Runs across Windows, macOS, and Linux with RMS metering
Cons
  • Pricing requires contacting SoliCall
  • Call-center deployment uses SoliCall Connect or PBXMate
  • Its focus is call audio rather than broader collaboration features
  • Precompiled releases are currently available only for Windows
  • macOS and Linux users need to build from source
  • No listed integrations beyond its plugin and standalone formats
Our verdict

SoliCall Noise Firewall is software for reducing ambient noise and background voices during calls in contact centers, shared workspaces, open offices, and other crowded environments. It supports bidirectional audio filtering, voice…

Read the review →

Alt Denoiser is an open-source real-time AI noise suppression tool for desktop audio workflows. It is aimed at developers and plugin users who want denoising in a standalone application or inside compatible audio software. The embedded…

Read the review →
  1. SoliCall Noise FirewallAI Noise Cancellation Software 8.3Pricing on request
  2. Alt DenoiserAI Noise Cancellation Software 8.0Open source

Strengths and trade-offs

  • SoliCall Noise Firewall — where it wins

    • Filters ambient noise and background human voices in both directions
    • Tracks real-time, completed-call, and Noise Map statistics
    • Supports Avaya, Genesys, RingCentral, Zoom, Teams, and SIP

    Where it doesn't

    • Pricing requires contacting SoliCall
    • Call-center deployment uses SoliCall Connect or PBXMate
    • Its focus is call audio rather than broader collaboration features

  • Alt Denoiser — where it wins

    • Real-time AI suppression with the embedded DeepFilterNet3 model
    • Supports VST3, VST2, AU, LV2, and standalone formats
    • Runs across Windows, macOS, and Linux with RMS metering

    Where it doesn't

    • Precompiled releases are currently available only for Windows
    • macOS and Linux users need to build from source
    • No listed integrations beyond its plugin and standalone formats
  • SoliCall Noise Firewall8.3/10 · Pricing on request

    A contact-center noise filter with bidirectional audio controls and call-quality analytics.

    Visit SoliCallFull verdict →
  • Alt Denoiser8.0/10 · Open source

    An open-source denoiser with broad plugin-format support and a Windows-first release path.

    Visit Alt DenoiserFull verdict →

More comparisons

All AI noise cancellation software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update