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Head-to-head · Relationship Intelligence Software

4Degrees vs Boomerang AI

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score 4Degrees #2 in Relationship Intelligence Software 9.2/10 Pricing on request ✓ 4 of 4 features Visit 4Degrees
Boomerang AI #4 in Relationship Intelligence Software 9.0/10 14-day trial Free trial✓ 4 of 4 features Visit Boomerang AI

4Degrees leads on 0 checks, Boomerang AI on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest score4Degrees · 9.2/10
  • Free trialonly Boomerang AI

4Degrees scores higher on our rubric for relationship intelligence software: 9.2 against 9.0 out of 10; our editors rank them #2 and #4.

4Degrees is the better fit for firms needing full-network relationship operations. Boomerang AI is the better fit for revenue teams orchestrating warm introductions.

  • 4Degrees fits best

    Firms needing full-network relationship operations

  • Boomerang AI fits best

    Revenue teams orchestrating warm introductions

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Side by side

Feature 4Degrees 9.2/10 Visit ↗ Boomerang AI 9.0/10 Visit ↗
At a glance
Editor score 9.2 9.0
Ranking #2 in Relationship Intelligence Software #4 in Relationship Intelligence Software
Best for Firms needing full-network relationship operations Revenue teams orchestrating warm introductions
Pricing model Paid Paid
Starting price Pricing on request $80/mo
Free plan Not checked yet —
Free trial — 14 days
Deployment Cloud, Mobile, Browser extension Cloud
Platforms Web, iOS, Android, Chrome extension Web
Support Email, Phone, Docs Email
Compliance GDPR, SSO/SAML, 2FA SOC 2, GDPR, SSO/SAML, 2FA
Integrations 13 integrations 14 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features 4Degrees 4/4 · Boomerang AI 4/4
Warm intro paths ✓ ✓
Relationship scoring ✓ ✓
Account engagement ✓ ✓
CRM writeback ✓ ✓
Specs
Network data sources Multi-source Multi-source
Team visibility Organization Organization
Relationship history Not checked yet Not checked yet
Our review
Pros
  • Scores relationship strength using communication frequency and recency
  • Recommends warm introduction paths across the team network
  • Combines relationship visibility, pipelines, CRM updates, and reporting
  • Maps relationships across customers, partners, investors, boards and advisors
  • Automates introduction requests, routing, follow-up and outcome tracking
  • Connects with CRM, calendars, email, Slack, MCP and API workflows
Cons
  • Pricing requires contacting 4Degrees and is billed per user per month
  • Its broad feature set may exceed the needs of narrow-use teams
  • Firm-wide visibility is less relevant for purely individual workflows
  • No free plan is available
  • Starter supports one user and 100 Super Connectors
  • CRM and calendar integrations begin with the Growth plan
Our verdict

4Degrees is a relationship intelligence CRM and deal-management platform for private equity, venture capital, investment banking, M&A, consulting, commercial real estate, and other relationship-driven teams. It captures email and calendar…

Read the review →

Boomerang AI is relationship intelligence software for B2B revenue teams that need to find and coordinate warm paths into target accounts. It maps relationships across employees, customers, partners, investors, board members and advisors,…

Read the review →
  1. 4DegreesRelationship Intelligence Software 9.2Pricing on request
  2. Boomerang AIRelationship Intelligence Software 9.014-day trial

Strengths and trade-offs

  • 4Degrees — where it wins

    • Scores relationship strength using communication frequency and recency
    • Recommends warm introduction paths across the team network
    • Combines relationship visibility, pipelines, CRM updates, and reporting

    Where it doesn't

    • Pricing requires contacting 4Degrees and is billed per user per month
    • Its broad feature set may exceed the needs of narrow-use teams
    • Firm-wide visibility is less relevant for purely individual workflows
  • Boomerang AI — where it wins

    • Maps relationships across customers, partners, investors, boards and advisors
    • Automates introduction requests, routing, follow-up and outcome tracking
    • Connects with CRM, calendars, email, Slack, MCP and API workflows

    Where it doesn't

    • No free plan is available
    • Starter supports one user and 100 Super Connectors
    • CRM and calendar integrations begin with the Growth plan

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update