Bedrock vs STACK Construction Technologies: a feature comparison
STACK is a broad cloud takeoff and estimating platform across many trades. Bedrock is a trade-specialist platform for self-perform contractors. This is a side-by-side of what each one ships.
STACK Construction Technologies and Bedrock both sell cloud takeoff and estimating software.
STACK is a horizontal platform serving 10+ trades, with material catalogs, supplier integrations, and a takeoff and estimating layer that share a common data model. STACK acquired On-Center Software (On-Screen Takeoff, Quick Bid) in 2021, adding significant estimating depth. Bedrock is a vertical product for self-perform trade contractors — concrete, earthwork, framing, MEP, steel, masonry, roofing, paving & sitework, and drywall & finishes. The trade focus drives trade-aware assemblies (concrete, earthwork, framing, MEP, steel, masonry, roofing, paving, drywall), a native earthwork engine, integrated proposals, and historical cost feedback in a single workspace.
This page is a head-to-head of the capabilities most relevant to self-perform trade bid desks.
| Capability | STACK | Bedrock | | --- | --- | --- | | Cloud-native | Yes | Yes | | Multi-page PDF support | Yes | Yes | | Symbol auto-count | Yes | Yes | | Polyline / area / linear measurement | Yes | Yes | | Per-sheet scale override | Yes | Yes | | OCR sheet metadata | Limited | AI-assisted, native | | Realtime multi-user on same sheet | Yes | Yes | | 3D takeoff preview | No | Yes |
Machine-readable site summary for AI crawlers: /llms.txt