Assembly

Design proofing tool

Creative sign-off, round by round

Start for free. No credit card required.

Design proofing tool screenshot

Share designs for review, collect approvals or change requests one round at a time, and keep a record of who signed off on which version.

Start from this template and describe what you want to change in plain English — Assembly Studio adapts the layout, fields, and flow to your firm, then publishes it to your client portal in minutes. No code required.

Key Features

  • Send clients a set of visual options to compare side by side

  • Clients comment and pick a direction

  • Multiple rounds of revisions, plus a global view of what's awaiting a decision

What you can customize

  • Branding, colors, and your own domain

  • Fields, sections, and the steps clients see

  • Automations, reminders, and notifications

  • Access and permissions per client or team

Perfect for

Marketing, Consulting, and Technology firms running approvals workflows.

Add it, describe your changes, publish

  1. 01

    Add the template

    It installs as a working app you can use as is.

  2. 02

    Describe your changes

    Tell the app builder what to change, from fields to steps, and it adapts the template to your business.

  3. 03

    Publish to clients

    It appears in your branded client experience, with sign-in and permissions already handled.

Pair it with the rest of your client experience

Every app connects to the same built-in CRM and appears in the same branded client experience.

Browse all 30+ templates →

Start with the Design proofing tool template

Start from this template for free and make it yours in minutes. No credit card required.