Looking for a better solution than On Center?

STACK is the #1 takeoff and estimating solution on the market today. Move your preconstruction to the cloud for real-time collaboration and anytime, anywhere access.

The STACK Advantage

STACK makes every team stronger – from subcontractors on the hunt for more profitable work to GCs and homebuilders looking for flexible takeoff and estimating tools to building product manufacturers and suppliers aiming to earn new business and build lasting customer relationships with seamless product catalog access. 

100% Cloud-Based and
Easy to Use​

STACK’s capabilities are cloud-based and its simple interface is more intuitive. OnCenter Software is Windows-based, clunky and requires many clicks for simple tasks.

Integrated Estimating and Proposal Generation

STACK includes itemized costs, labor rates, material support and proposal generation, unlike OnCenter Software. Their users must also purchase OnCenter Quick Bid for Estimating and Proposal generation.


Quick Onboarding and Regular Updates

Customers who’ve used both platforms report significantly reduced learning curve and onboarding times with STACK. OnCenter Software typically only provides 2-3 releases per year.


See what STACK customers are saying:

STACK Outperforms On Center

STACK excels when it comes to the key capabilities contractors look for in preconstruction software.  From an extensive material and assembly database to intuitive plan organization & search features to superior training and customer support, STACK rises above the competition.


STACK’s takeoff and estimating software takes on more so your teams are more effective and efficient.

On Center
Takeoff & Estimating
Basic Measurement
Advanced Measurement
Auto Counts
Takeoff Library
Takeoff Tagging / Labeling
Estimate Management
Estimate Proposals
Items & Assemblies
Document Control
Integrated Document Capture
Full Text Searching
Plan Revisions and Overlay
Auto Hyperlinking of Plans
Reporting and Exporting
Simplicity & Intuitiveness
Cloud Enabled
Integrations / API
Sharing and Invites
Training (Included)
Live Chat

Ready to see STACK in action?

Discover how we can save you time and help you win more profitable work!
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Which solution are you looking for?

Calculate everything you need anytime, anywhere.
Seamlessly link your data from the office to the field.
Looking for a more custom solution for your business?  Talk to us!