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Head-to-head · AI Sales Development Representatives (SDRs) Software

Buzz vs Proxelion Prox

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Buzz #1 in AI Sales Development Representatives (SDRs) Software 9.3/10 Free plan Free plan✓ 1 of 4 features Visit Buzz
Proxelion Prox #6 in AI Sales Development Representatives (SDRs) Software 8.4/10 Free plan Free plan✓ 3 of 4 features Visit Proxelion

Buzz leads on 0 checks, Proxelion Prox 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 scoreBuzz · 9.3/10
  • Free planboth
  • Most featuresProxelion Prox · 3 of 4

Buzz scores higher on our rubric for ai sales development representatives (sdrs) software: 9.3 against 8.4 out of 10; our editors rank them #1 and #6.

Buzz is the better fit for teams wanting broad, affordable AI SDR automation. Proxelion Prox is the better fit for solo sellers wanting low-cost email SDR assistance.

  • Buzz fits best

    Teams wanting broad, affordable AI SDR automation

  • Proxelion Prox fits best

    Solo sellers wanting low-cost email SDR assistance

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Buzz 9.3/10 Visit ↗ Proxelion Prox 8.4/10 Visit ↗
At a glance
Editor score 9.3 8.4
Ranking #1 in AI Sales Development Representatives (SDRs) Software #6 in AI Sales Development Representatives (SDRs) Software
Best for Teams wanting broad, affordable AI SDR automation Solo sellers wanting low-cost email SDR assistance
Pricing model Free plan + paid Free plan + paid
Starting price — $39/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile, Browser extension Cloud
Platforms Web, iOS, Android, Chrome extension Web
Integrations 11 integrations 2 integrations
Features Buzz 1/4 · Proxelion Prox 3/4
Autonomous outreach Not checked yet ✓ (best)
Lead research ✓ ✓
CRM writeback Not checked yet Not checked yet
Human approval control Not checked yet ✓ (best)
Specs
Outreach channels Not checked yet Email
Monthly AI credits Not checked yet Not checked yet
Our review
Pros
  • Prompt-based prospect discovery, research and campaign creation
  • Email, LinkedIn, calling and voicemail sequences in one platform
  • CRM sync, mobile apps, Chrome extension and broad integrations
  • Free tier includes 25 emails monthly and unlimited Prospect Brain
  • Researches prospects, verifies emails, and drafts personalized cold emails
  • AI SDR and Scale plans automate Gmail replies and follow-ups
Cons
  • Dialer supports user-initiated calling rather than an AI voice agent
  • Advanced capabilities are concentrated in higher-tier plans
  • Campaign breadth may exceed the needs of teams seeking a narrow workflow
  • Outreach is centered on email through connected Gmail
  • HubSpot integration and team workspace require the $249 Scale plan
  • Advanced automation and priority support start at $99 per month
Our verdict

Buzz is a sales engagement platform for revenue teams that combines prospect discovery, company and contact enrichment, research, messaging and multichannel outreach. Its AskBuzz interface can create campaigns from prompts, build prospect…

Read the review →

Proxelion Prox is an AI sales development tool for B2B founders, agencies, and sales teams that need help researching prospects and running email outreach. It researches companies and contacts, identifies company context and pain points,…

Read the review →
  1. BuzzAI Sales Development Representatives (SDRs) Software 9.3Free plan
  2. Proxelion ProxAI Sales Development Representatives (SDRs) Software 8.4Free plan

Strengths and trade-offs

  • Buzz — where it wins

    • Prompt-based prospect discovery, research and campaign creation
    • Email, LinkedIn, calling and voicemail sequences in one platform
    • CRM sync, mobile apps, Chrome extension and broad integrations

    Where it doesn't

    • Dialer supports user-initiated calling rather than an AI voice agent
    • Advanced capabilities are concentrated in higher-tier plans
    • Campaign breadth may exceed the needs of teams seeking a narrow workflow

  • Proxelion Prox — where it wins

    • Free tier includes 25 emails monthly and unlimited Prospect Brain
    • Researches prospects, verifies emails, and drafts personalized cold emails
    • AI SDR and Scale plans automate Gmail replies and follow-ups

    Where it doesn't

    • Outreach is centered on email through connected Gmail
    • HubSpot integration and team workspace require the $249 Scale plan
    • Advanced automation and priority support start at $99 per month

More comparisons

All AI sales development representatives (SDRs) software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update