Assembly vs Jace (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Jace
From $20/mo against from $39/mo
Free plan
Tie
Neither has one
Higher rating
Assembly
4.0 against 3.8
Same job?
Yes
Both are Productivity tools

Side by side

Compared on	Assembly	Jace
Our rating	4.0Better	3.8
Starts at	$39/mo	$20/moBetter
Free plan	No	No
Category	Productivity	Productivity
Plans	From $39/mo	From $20/mo
Key features	Branded client portals consolidating messages, files, forms, and invoices in one place AI Assistant that drafts replies and summarizes client threads using full context Automated task creation and invoice preparation from client interactions SOC2 and HIPAA compliance for handling sensitive client data Workflow automation tools scaling from solo practitioners to larger firms	Context-aware Gmail draft replies based on prior thread history Automatic inbox organization that flags what actually needs a response Configurable daily draft limits that scale with plan tier Multiple inbox support for Plus and Pro plans 30-day money-back guarantee alongside the trial period
Pros	AI Assistant uses actual client history and context rather than generic chat responses SOC2 and HIPAA compliance supports firms in regulated fields like legal and financial services Scales from solo entrepreneurs to 100-person firms with tiered plans	Drafts read closer to a user's own voice than generic AI reply suggestions Backed by well-known AI investors including Nat Friedman and Daniel Gross Inbox triage saves real time for users with high email volume
Cons	No permanent free plan, only a 14-day trial before billing starts Enterprise tier jumps to $2,000 per month, a steep step up from the Advanced tier Recent rebrand (2025) may create short-term confusion with prior name recognition under Copilot	Free trial requires payment information upfront, not a no-risk sandbox Narrowed from a general browser agent to email-only, a scope-down from its original pitch No permanent free plan for lighter email users
Company	Assembly, founded 2020	Zeta Labs, founded 2023

Prices come from each vendor's pricing page, last checked 20260807. Check the vendor before you buy.

FAQ

Questions people ask

Is Assembly better than Jace?

In our reviews Assembly scores 4.0 and Jace scores 3.8. The better pick depends on the job. Assembly: AI-powered client portal and CRM that centralizes communication, files, and billing for professional service firms. Jace: AI email assistant that drafts Gmail replies in a user's own voice and organizes an inbox automatically.

Which is cheaper, Assembly or Jace?

Jace has the lower starting price: from $39/mo for Assembly and from $20/mo for Jace.

Do Assembly and Jace have free plans?

Neither lists a free plan.

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