Attio, Affinity, and Dex all manage relationships — but for very different audiences. Attio is best for flexible, modern CRM workflows; Affinity excels at automated relationship intelligence for investors; Dex is ideal for individuals managing personal networks. The best tool depends on whether you prioritise scalability, automation, or simplicity.
Quick Comparison Table
| Feature | Attio | Affinity | Dex |
|---|---|---|---|
| Best For | Startups & SMBs | VCs & PE firms | Individuals |
| Relationship intelligence | Moderate | Advanced (AI) | Basic |
| Automated data capture | Limited | Extensive | Moderate |
| Customisation | High | Low | Low |
| Mobile-first | No | No | Yes |
| Pricing model | Per-user monthly | Per-user yearly | Freemium |
| Typical cost | $29–$119/user/mo | $2,000+/user/yr | Free → paid |
| Ideal use | Scaling CRM | Deal flow & intros | Personal networking |
Interpretation:
Attio offers the most flexibility, Affinity offers the most automation and insight, and Dex offers the simplest personal relationship management. The “best” tool depends on your scale and workflow complexity.
Attio vs Affinity vs Dex: Which Relationship Tool Is Better?
Relationship management has evolved beyond simple contact lists. Modern tools now combine automation, data enrichment, and intelligence to help individuals and organisations manage increasingly complex networks.
Three leading tools in this space — Attio, Affinity, and Dex — approach the problem from very different angles.
This guide compares them across features, automation, pricing, scalability, and use cases so you can confidently choose the right one.
What Is Attio?
Attio is a modern, highly customisable CRM designed for startups and growing teams. It uses a flexible data model rather than rigid sales pipelines, allowing teams to build workflows around their actual business.
Key strengths:
Graph-based relationship modelling
Custom fields, views, and workflows
Strong API and integrations
Collaboration and permissions
Attio suits businesses that need structure without rigidity.
According to Attio’s documentation (2024), over 60% of customers customise their CRM schema within the first month — highlighting its flexibility.
Limitations:
Requires setup time
Less automatic data capture than Affinity
Relationship intelligence is limited compared to specialised tools
What Is Affinity?
Affinity is a relationship intelligence platform built primarily for venture capital, private equity, and enterprise sales teams.
It automatically captures data from:
Email
Calendars
Meetings
Introductions
Then it scores relationships and surfaces insights like strength, recency, and connectivity.
Key strengths:
Automatic data capture
Relationship scoring
Introduction tracking
Deal flow analytics
According to Affinity (2024), teams save an average of 30–40% time on manual CRM updates.
Limitations:
Expensive
Limited customisation
Performance and reliability complaints (G2, 2024)
What Is Dex?
Dex is a personal relationship manager for individuals. It focuses on reminders, syncing, and lightweight tracking.
Key strengths:
Syncs with LinkedIn, Gmail, WhatsApp, Calendar
Timeline-based relationship history
Mobile apps
Simple reminders
Dex works well for consultants, founders, and professionals who want to maintain warm relationships.
Limitations:
Not built for teams
Limited analytics
No deal tracking or pipelines
Feature Comparison
| Category | Attio | Affinity | Dex |
|---|---|---|---|
| CRM structure | Custom objects | Deal pipelines | Contact lists |
| AI insights | Limited | Strong | Minimal |
| Data enrichment | Moderate | Extensive | Limited |
| Team support | Yes | Yes | No |
| Integrations | API-based | Native | Sync-based |
| Privacy control | High | Moderate | Low |
| Learning curve | Medium | Medium | Low |
Pricing Comparison
| Tool | Entry Price | Scaling Cost | Suitable For |
|---|---|---|---|
| Attio | Free → $29/user/mo | $119+/user/mo | Growing teams |
| Affinity | $2,000/user/yr | Enterprise pricing | Investors |
| Dex | Free → Paid | Low | Individuals |
(Source: Company pricing pages, 2025)
Which One Should You Choose?
Choose Attio if:
You’re building a scalable business
You need flexible workflows
You want CRM ownership and control
Choose Affinity if:
You manage deals and introductions
You need relationship scoring
Automation matters more than flexibility
Choose Dex if:
You manage your own network
You want reminders, not pipelines
You value simplicity over analytics
Actionable Recommendations
Map your relationship complexity (people vs deals vs networks)
Decide if automation or flexibility matters more
Trial at least two tools for 14 days
Evaluate reliability, UX, and team adoption
Only scale after validating usage
FAQs
1. Is Attio a replacement for Affinity?
Not fully — Attio is flexible, but Affinity is superior for automated relationship intelligence.
2. Can Dex work for sales teams?
No. Dex is designed for individuals, not collaborative workflows.
3. Is Affinity worth the price?
For VC and PE firms, yes — for most others, no.
4. Which tool is best for startups?
Attio offers the best balance of price, flexibility, and scalability.
5. Can I use more than one?
Yes — some use Dex personally and Attio professionally.
