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- Plan & Spec Management
Evaluate new bid opportunities, search full plan sets, compare plan versions and more.
Quantity TakeoffCalculate material & labor with quick and accurate digital measurement tools.
Estimates & ProposalsLeverage integrated items, assemblies and regional pricing to prepare winning bids.
See how STACK Supports the Construction Lifecycle
By harnessing the power of the cloud, STACK offers solutions to take contractors through preconstruction and construction.
- Customer Spotlight
STACK Powers Demotik’s Leap in Efficiency and Profit Margins
Demotik, a super-subcontractor based out of Cypress, Texas, achieved 50-75% better productivity with STACK!
- Resource Center
STACK's central hub for all the essential tools, insights and information you need to get started.
Help CenterSTACK's go-to resource for quick answers, tutorials, support and more.
News You Can Use:
STACK is proud to announce a strategic partnership with Pine Services Group, a premier holding…
STACK vs. ProEst
Smarter, AI-Powered Takeoff & Estimating
Outpace ProEst with STACK’s intuitive, cloud-based platform and advanced AI tools—enabling faster takeoffs, error-free estimating, and real-time collaboration.
Why STACK Beats ProEst – Feature by Feature
AI-Powered Takeoff Automation
ProEst
No AI-assisted measurement. ProEst’s manual takeoffs are slow and error-prone.
STACK
STACK Assist uses AI to help speed up your process with features that let you auto-count and tag assemblies instantly.
Why does it matter?
When deadlines are tight, AI-driven automation gives you a competitive edge—freeing up time for high-value work like strategy, pricing, and winning more bids.
Smarter Cost Estimates with AI-Enhanced Data
ProEst
Uses static cost databases that require manual updates and may not reflect real-world, real-time pricing.
STACK
Features an AI-backed cost database that learns from historical data, local pricing, and market trends to deliver more accurate estimates.
Why does it matter?
Up-to-date cost data ensures your estimates stay competitive, accurate, and aligned with what’s actually happening in the field.
Fast, Frustration-Free Onboarding
ProEst
Known for a clunky user interface and long onboarding timelines, often requiring third-party assistance to get started.
STACK
Intuitive and cloud-based, with live chat support, free training, and a modern interface that users can navigate within minutes.
Why does it matter?
When your team can get up to speed quickly, you reduce downtime, avoid steep learning curves, and start delivering value to your business right away.
ProEst | vs. | STACK |
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ProEst | vs. | 
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AI‑Enhanced Takeoff & Auto Counts | ||
AI‑Backed Cost Database with Historical/Local Pricing
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Live Chat & 24/7 Cloud-Based Help | ||
Cloud-Synced Collaborative Editing | ||
Auto‑Hyperlinking & Versioned Plan Control | ||
Prebuilt Takeoff Tagging & Library Support | ||
Instant Auto-Hyperlinking of Plans |
And so much more. To learn more about every feature we’ve got, check out our features page.
Switching to STACK is easy with 5 simple steps
Changing construction software doesn’t have to be a headache. Making the switch to STACK is an investment in the future efficiency and success of your business.
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5/5
See what STACK customers are saying:
Frequently Asked Questions
Absolutely. STACK imports plans, assemblies, cost items, and offers flexible AI-enhanced tools to recreate and improve your existing workflows—faster, more accurately, and with inline collaboration.
Yes. Unlike ProEst’s manual process, STACK’s AI and plan-automation tools let you take off one floor and auto-repeat across floors—even tagging and counting—saving hours per project.
Minimal. STACK’s intuitive UI, free training/apps, chat support, and short ramp-up (users up in less than 10 minutes) mean you’re bidding better before the first month ends.
Not at all. STACK supports data import via CSV, BIM exports, and integrating legacy cost libraries. Plus, its AI-backed cost database gives smarter suggestions as you go.
Beyond auto-counts, STACK’s AI helps generate intelligent takeoff tags, detect overlooked areas, surface outlier costs, and retrain on historical pricing—producing faster, more accurate bids every time.
