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Assembly

Branded customer portals & AI-powered CRM

★★★★★ 5.0/5
FactScore™ 52.1
VS

Clay

The best way to discover, organize, and deepen relationships

★★★★☆ 4.2/5
FactScore™ 62.2

Updated February 2026

Assembly Clay
Rating 5.0★ 4.2★
Reviews 10 29
Pros 20 12
FactScore™ 52.1 62.2

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

52.1
Assembly FactScore™
👑
62.2
Clay FactScore™
★ Clay wins on FactScore™

Pros & Cons

Only in Assembly — Pros

AI features All-in-one platform Chat Clean interface Files Team collaboration Workflow automation Workflows Easy integration Tasks Customization options Forms Responsive support Contracts Free tier Frequent updates Project management Developer experience Excellent customer service Fast performance

Both tools — Pros

—

Only in Clay — Pros

Contact management Relationship management Clean UI Notes on contacts AI integration Easy onboarding Reconnect cadence Free for personal use Multi-platform support Nexus AI buddy Reminders Search functionality

Only in Assembly — Cons

Learning curve

Both tools — Cons

—

Only in Clay — Cons

Data consolidation issues UI issues Limited data source integration Duplicate contacts Security concerns AI integration Easy onboarding High price No Android app Relationship management Slow search performance Token system

Details

Assembly Clay
Categories Customer support tools, CRM software, Invoicing tools CRM software, Social Networking, Professional networking platforms, Search
Platforms Web Web
Became Popular September 30, 2025 October 25, 2022
Website assembly.com clay.earth

Who Should Pick Which?

Choose Assembly if...

  • AI features
  • All-in-one platform
  • Chat

Choose Clay if...

  • Contact management
  • Relationship management
  • Clean UI

With a FactScore™ of 52.1 vs 62.2, Clay leads in community reception. Assembly uniquely offers AI features and All-in-one platform, while Clay stands out for Contact management and Relationship management.

3

What Users Say

Assembly

J
Jen Sep 30, 2025
★★★★★

I spent years looking for a tool that offered a great turn-key client portal experience and I was thrilled when I found co-pilot (now Assembly). It is customizable while also offering pre-made fit ...

F
Finoana Oct 1, 2025
★★★★★

I’ve been using Assembly for a few weeks now, and I’m genuinely impressed. What started as a tool I hesitated to try has become a core part of how our team runs client workflows. From the get-go, t...

J
Jeremiah Oct 1, 2025
★★★★★

Assembly (formerly Copilot) has completely transformed the way we interact with our clients. The branded client portal looks professional right out of the box, making it easy for customers to messa...

Clay

No reviews yet

Frequently Asked Questions

Which is better, Assembly or Clay?

Based on FactScore™, Clay leads with a score of 62.2 vs 52.1. Clay has a higher rating of 4.2★ compared to 5.0★.

What are the pros of Assembly compared to Clay?

Assembly uniquely offers: AI features, All-in-one platform, Chat, Clean interface, Files.

What are the pros of Clay compared to Assembly?

Clay uniquely offers: Contact management, Relationship management, Clean UI, Notes on contacts, AI integration.

Is Assembly better rated than Clay?

Assembly is rated 5.0★ from 10 reviews. Clay is rated 4.2★ from 29 reviews.

What is the FactScore™ of Assembly and Clay?

FactScore™ weighs rating and review volume together. Assembly scores 52.1 and Clay scores 62.2.

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