Proxelion Prox vs SOHOON AI Sales SDR Agent

Proxelion Prox7.4Visit SOHOON AI Sales SDR Agent6.8Visit

Higher score Proxelion Prox #4 in AI Sales Development Representatives (SDRs) Software 7.4/10 Free plan · paid from $39/mo Free plan✓ 3 of 4 features Visit Proxelion

vs

SOHOON AI Sales SDR Agent #8 in AI Sales Development Representatives (SDRs) Software 6.8/10 From $299/mo ✓ 3 of 4 features Visit SOHOON

• Proxelion Prox fits best

  Solo sellers wanting low-cost email SDR assistance

• SOHOON AI Sales SDR Agent fits best

  Small teams seeking managed multichannel outreach

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Side by side

Feature	Proxelion Prox 7.4/10 Visit ↗	SOHOON AI Sales SDR Agent 6.8/10 Visit ↗
At a glance
Editor score	7.4	6.8
Ranking	#4 in AI Sales Development Representatives (SDRs) Software	#8 in AI Sales Development Representatives (SDRs) Software
Best for	Solo sellers wanting low-cost email SDR assistance	Small teams seeking managed multichannel outreach
Pricing model	Free plan + paid	Paid
Starting price	Not published	Not published
Free plan	✓ (best)	—
Free trial	—	—
Support	Email, Community	Email
Integrations	2 integrations	8 integrations
Built for	Solo, Small business	Small business, Mid-market, Enterprise
Features Proxelion Prox 3/4 · SOHOON AI Sales SDR Agent 3/4
Autonomous outreach	✓	✓
Lead research	✓	✓
CRM writeback	Not published	✓ (best)
Human approval control	✓ (best)	Not published
Specs
Outreach channels	Email	Multichannel
Monthly AI credits	Not published	Not published
Our review
Pros	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	Sequences prospects across email, SMS, and voice. Handles replies and objections, with human escalation. Books qualified meetings and logs outreach in a CRM.
Cons	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	No free plan; the monthly Starter Agent plan starts at $299. Starter Agent includes voice or chat, not the full Business channel set. Customization through Custom AI starts at $2,500.
Our verdict	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 →	SOHOON AI Sales SDR Agent is a setup-and-managed service for organizations that want AI to handle outbound prospecting and follow-up. It can source or import contacts, personalize multistep sequences, respond to objections, escalate… Read the review →

Strengths and trade-offs

• 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

• SOHOON AI Sales SDR Agent — where it wins

  • Sequences prospects across email, SMS, and voice.
  • Handles replies and objections, with human escalation.
  • Books qualified meetings and logs outreach in a CRM.

  Where it doesn't

  • No free plan; the monthly Starter Agent plan starts at $299.
  • Starter Agent includes voice or chat, not the full Business channel set.
  • Customization through Custom AI starts at $2,500.

• Proxelion Prox7.4/10 · Free plan · paid from $39/mo

  A low-cost, email-first AI SDR for solo sellers who want research and follow-up help.

  Visit ProxelionFull verdict →
• SOHOON AI Sales SDR Agent6.8/10 · From $299/mo

  A managed outbound agent spanning email, SMS, and voice, starting at $299/month.

  Visit SOHOONFull verdict →