STACK

Plans and prices

Every plan, in full

On the record

Acquisition

Crunchbase records STACK's acquisition of SmartUse as one acquisition.crunchbase.com · read 15 Oct 2026

API

STACK offers a public partner API for moving plans and documents into STACK and sending estimate data to accounting or project-management systems.stackct.com · read 15 Oct 2026

API access conditions

API use requires a customer subscription with API enabled, a partner account and approval; STACK says it responds to access requests within two business days.stackct.com · read 15 Oct 2026

Browser performance limits

STACK recommends Chrome, Firefox or Safari and at least 15 Mbps download and 3 Mbps upload, with 20/5 Mbps recommended.support.stackct.com · read 15 Oct 2026

Build plans

Build & Operate Essential includes plan and document management, markups, measurements, issues, version comparison, offline use and role-based folder security.support.stackct.com · read 15 Oct 2026

Company headquarters

The company is headquartered in Cincinnati, Ohio, United States.crunchbase.com · read 15 Oct 2026

Company legal name

Crunchbase lists the legal name as STACK Construction Technologies, Inc.crunchbase.com · read 15 Oct 2026

Company size

Crunchbase places STACK in the 101–250 employee range.crunchbase.com · read 15 Oct 2026

Developer documentation

Developer documentation covers authentication, sandbox testing, certification, production deployment, branding and support.stackct.com · read 15 Oct 2026

Enterprise controls

The Enterprise Build & Operate tier adds unlimited reviewer users, API integration and single sign-on.support.stackct.com · read 15 Oct 2026

Estimating

Quantities flow into live estimates with item and assembly libraries, proposals and AI checks for pricing risk.stackct.com · read 15 Oct 2026

Evaluate

The platform uploads plans and specifications, auto-names sheets and flags revisions with AI assistance.stackct.com · read 15 Oct 2026

Field app

The mobile field application supports plan viewing, markups, issues, photos, daily reports and workflows.stackct.com · read 15 Oct 2026

Integrations

The partner ecosystem includes CRM, ERP, accounting and construction technology connections, with named partners such as Procore, QuickBooks, Autodesk and Acumatica.stackct.com · read 15 Oct 2026

Limit: document access

Some reviewers report outdated documents or difficulty viewing drawings offline despite the product's offline-sync design.getapp.com · read 15 Oct 2026

Limit: navigation and bugs

Independent reviews mention difficult navigation, occasional bugs, document-upload friction and time-consuming updates.capterra.com · read 15 Oct 2026

Limit: performance

Users report lag or slow performance when internet quality is poor or drawing sets are very large.softwareadvice.com · read 15 Oct 2026

Limit: pricing

Reviewers cite high or rigid pricing, annual increases and a desire for more flexible tiered or multi-year discounts.capterra.com · read 15 Oct 2026

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