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Head-to-head · Personal CRM Software

Dex vs Contact Book

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Dex #1 in Personal CRM Software 9.2/10 7-day trial Free trial✓ 0 of 4 features Visit Dex
Contact Book #6 in Personal CRM Software 8.5/10 Free plan Free plan✓ 3 of 4 features Visit Contact Book

Dex leads on 0 checks, Contact Book on 1, and 4 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 scoreDex · 9.2/10
  • Free planonly Contact Book
  • Free trialonly Dex
  • Most featuresContact Book · 3 of 4

Dex scores higher on our rubric for personal crm software: 9.2 against 8.5 out of 10; our editors rank them #1 and #6.

Contact Book offers free plan; Dex doesn't.

Dex is the better fit for power users needing broad integrations. Contact Book is the better fit for API-oriented personal CRM users.

  • Dex fits best

    Power users needing broad integrations

  • Contact Book fits best

    API-oriented personal CRM users

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Side by side

Feature Dex 9.2/10 Visit ↗ Contact Book 8.5/10 Visit ↗
At a glance
Editor score 9.2 8.5
Ranking #1 in Personal CRM Software #6 in Personal CRM Software
Best for Power users needing broad integrations API-oriented personal CRM users
Pricing model Paid Free plan + paid
Starting price $12/mo €100/yr
Free plan — ✓ (best)
Free trial 7 days —
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Browser extension
Platforms Web, iOS, Android, Chrome extension Web
Support Email Email, Docs
Compliance SOC 2, ISO 27001, SSO/SAML GDPR
Integrations 15+ integrations 7 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features Dex 0/4 · Contact Book 3/4
Follow-up reminders Not checked yet ✓ (best)
Email/calendar sync Not checked yet —
Import/export Not checked yet ✓ (best)
Interaction history Not checked yet ✓ (best)
Specs
Contact limit Not checked yet Not checked yet
Mobile apps Not checked yet Web
Our review
Pros
  • Imports contacts from major networks, email services, devices, and CSV files
  • Syncs email, calendars, contacts, LinkedIn, WhatsApp, and messaging
  • Offers reminders, timelines, mobile apps, browser extension, API, and Zapier
  • Free plan includes profiles, history, reminders, events, gifts, and relationships
  • API, CLI, MCP, webhooks, GraphQL, and client libraries
  • Self-service export and account deletion are available
Cons
  • No free plan; paid access starts at $12 per month
  • Premium LinkedIn sync is limited to 2,500 connections
  • Premium and Professional trials require a credit card
  • Access is web-first rather than through native mobile apps
  • Email and calendar sync are not included
  • Open-source deployment is not available
Our verdict

Dex is a personal CRM for organizing personal and professional relationships across web, desktop, iOS, Android, and Chrome. It brings together contacts from LinkedIn, Facebook, Gmail, Outlook, Google Contacts, iCloud, phone contacts, and…

Read the review →

Contact Book is a hosted personal CRM for individuals who want more than a basic address book. It combines contact profiles, personal details, conversation and activity history, notes, journals, follow-up reminders, life events, birthdays,…

Read the review →
  1. DexPersonal CRM Software 9.27-day trial
  2. Contact BookPersonal CRM Software 8.5Free plan

Strengths and trade-offs

  • Dex — where it wins

    • Imports contacts from major networks, email services, devices, and CSV files
    • Syncs email, calendars, contacts, LinkedIn, WhatsApp, and messaging
    • Offers reminders, timelines, mobile apps, browser extension, API, and Zapier

    Where it doesn't

    • No free plan; paid access starts at $12 per month
    • Premium LinkedIn sync is limited to 2,500 connections
    • Premium and Professional trials require a credit card

  • Contact Book — where it wins

    • Free plan includes profiles, history, reminders, events, gifts, and relationships
    • API, CLI, MCP, webhooks, GraphQL, and client libraries
    • Self-service export and account deletion are available

    Where it doesn't

    • Access is web-first rather than through native mobile apps
    • Email and calendar sync are not included
    • Open-source deployment is not available

More comparisons

All personal CRM software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update