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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:
Discover why outsourcing takeoffs is slowing suppliers down. Learn how STACK helps you quote faster,…
STACK vs. zzTakeoff
AI That Builds Smarter Bids—STACK Does What zzTakeoff Can’t.
zzTakeoff might cover the basics, but STACK capabilities deliver depth and flexibility, plus the system security and maturity you need to estimate faster and win more jobs—with the power of cloud, collaboration, and AI built-in.
Built for pros, not just plans, STACK outperforms zzTakeoff
Real-Time Collaboration
zzTakeoff
Lacks true multi-user support—no team functionality, no multi-office or cross location permissions.
STACK
Built for teams. Collaborate in real time, assign permissions, and work together across locations.
Why does it matter?
Estimating isn’t a one-person job. With STACK, your whole team can work faster and smarter—together.
Takeoffs That Work the Way You Do
zzTakeoff
Only offers limited takeoff types. No grouped measurements, no linear with drops, and no item-to-takeoff linking.
STACK
Powerful, customizable takeoffs with AI-assisted measurements, labeling, grouping, and full item/takeoff integration.
Why does it matter?
More flexibility means less manual work—and fewer costly errors.
Count and Area Tools
zzTakeoff
5 symbol options. No size controls. Limited visual options.
STACK
90+ symbol options. Size control and rich visual customization.
Why does it matter?
Don’t compromise your workflow because of system limits. STACK adapts to your needs.
Project Management That’s Actually Manageable
zzTakeoff
Folders and layers exist—but they don’t integrate across all lists. Saved views are helpful, but clunky.
STACK
Seamless project organization with global folders, tags, layers, and saved views across documents and takeoffs.
Why does it matter?
Organized projects make onboarding faster, revisits easier, and team handoffs smoother.
zzTakeoff | vs. | STACK |
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zzTakeoff | vs. | 
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Real-Time Multi-User Collaboration | ||
Cloud-Based Platform | ||
AI-Assisted Takeoffs | ||
Unlimited Count Symbols | ||
Multi-Office Support & Permissions | ||
Full Item-to-Takeoff Integration | ||
Enterprise Grade Security & Compliance |
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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Frequently Asked Questions
STACK offers more powerful features – including AI accelerated takeoff, greater and integrated estimating. It’s cloud-native, built on a scalable, proven infrastructure, boasts enterprise grade security to keep your data safe and its open API ecosystem is designed to connect to your most important business systems. STACK is experienced and here to support your growth, not a startup focussed on our own momentum.
Not at all. Most users are up and running in hours—not days—and our training and support teams are here to make your transition seamless.
Yes. With STACK, multiple users can work on the same project at the same time, from anywhere. Plus, our multi-user roles and permissions help to keep project data and visibility organized just the way you need it – zzTakeoff simply can’t do that.
STACK’s AI speeds up plan recognition, auto-labeling, and measurements—saving time and reducing errors before you even lift a mouse.
Absolutely. While zzTakeoff may appear cheaper upfront, it lacks the depth, speed, and productivity gains that STACK delivers—meaning more wins, faster bids, and higher profits.
