We collaborate with industry-leading companies to deliver seamless partnerships and integrations that extend what you can do with STACK.
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STACK and Velixo launch STACK for Excel, an exclusive integration connecting takeoff and estimating data directly in Excel.
STACK's central hub for all the essential tools, insights and information you need to get started.
STACK's go-to resources for quick answers, video tutorials, support and more.

Consistent estimating accuracy builds confidence, speeds up bidding, and drives more profitable wins. STACK customers are proving this every day with higher win rates and revenue growth.
STACK vs. ProEst
Outpace ProEst with STACK’s intuitive, cloud-based platform and advanced AI tools—enabling faster takeoffs, error-free estimating, and real-time collaboration.
No AI-assisted measurement. ProEst’s manual takeoffs are slow and error-prone.
STACK Assist uses AI to help speed up your process with features that let you auto-count and tag assemblies instantly.
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.
Uses static cost databases that require manual updates and may not reflect real-world, real-time pricing.
Features an AI-backed cost database that learns from historical data, local pricing, and market trends to deliver more accurate estimates.
Up-to-date cost data ensures your estimates stay competitive, accurate, and aligned with what’s actually happening in the field.
Known for a clunky user interface and long onboarding timelines, often requiring third-party assistance to get started.
Intuitive and cloud-based, with live chat support, free training, and a modern interface that users can navigate within minutes.
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. |
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.
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.


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