vioscaleAI
Comparison

iSqFt vs STACK Estimating

On the evidence we track, STACK Estimating leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

iSqFt full profile →STACK Estimating full profile →
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iSqFt49
★STACK Estimating60
Score
vioscaleAI score
iSqFt49 / 100low · 47%
STACK Estimating60 / 100medium · 68%
Pricing
Free tier
iSqFt✓
STACK Estimating✓
Model
iSqFtfreemium
STACK Estimatingfreemium
Price level
iSqFtlow
STACK Estimatinglow
Transparent
iSqFt✗
STACK Estimating✗
Integrations
Count
iSqFt3
STACK Estimating1
Security
Disclosure policy
iSqFt–
STACK Estimating✓
Pci
iSqFt–
STACK Estimating✓
Soc2
iSqFt–
STACK Estimating✓
Reliability
Sla pct
iSqFt–
STACK Estimating99.9
Status page
iSqFt–
STACK Estimating✓
Market
Availability
iSqFtAvailable in US · Popular in US
STACK Estimating–
Content
Faq
iSqFt6 items
STACK Estimating5 items

Capabilities

Feature-by-feature on the axes that matter for construction bid management. “-” means undocumented, not absent.

Capabilities
Deployment model
iSqFtTwo sided network marketplace
STACK EstimatingCloud saas platform
Digital plan room document distribution
iSqFt✓
STACK Estimating-
Mass itb invitation to bid email blasting
iSqFt✓
STACK Estimating-
Side by side bid leveling comparison
iSqFt-
STACK Estimating-
Subcontractor prequalification and compliance
iSqFt-
STACK Estimating-
Historical subcontractor performance scoring
iSqFt-
STACK Estimating-
Automated addenda and revision notifications
iSqFt-
STACK Estimating-
Public open project lead bulletin boards
iSqFt✓
STACK Estimating-
Direct integration to construction ERP project management
iSqFt-
STACK Estimating-
Diversity and inclusion mwbe tracking
iSqFt-
STACK Estimating-
SOC2 type ii
iSqFt-
STACK Estimating-
ISO 27001
iSqFt-
STACK Estimating-
Pricing model
iSqFtFreemium for subcontractors
STACK Estimating-

What each one is

The product in its own terms, so the numbers below have context.

iSqFt

Platform that aggregates commercial construction project opportunities across the United States, allowing contractors to search projects and receive automated daily alerts matching their criteria. Provides access to full bid documents, project specs, and contact lists for planholders and competing bidders.

Independently observed

STACK Estimating

Leader

A cloud-based software platform designed to help construction teams accelerate quantity takeoffs, develop cost estimates, and manage project documents using AI-powered measurement and analysis tools.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

iSqFt

SubscriptionFree tier

Free tier available; pricing details not publicly displayed

  • FreeFree
    • Filters and keyword searches
    • Limited project details
    • Bid dates and locations
  • Standard-
    • Saved searches with daily email delivery
    • Project details and key contacts
    • Digital bid board for pipeline organization
  • Premium-
    • Complete bidding documents
    • Bidder and planholder information
    • Full project details and contacts
    • Access to 500,000+ projects with 5,000 updated daily
as of verify ↗

STACK Estimating

Leader
Free tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
iSqFt✓
STACK Estimating✓
Deployment
Cloud / SaaS
iSqFt✓
STACK Estimating✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

iSqFt

3 total
  • On-Screen Takeoff
  • PlanSwift
  • QuoteSoft
Independently observed

STACK Estimating

Leader
1 total
  • QuickBooks Online
Independently observed
Still deciding?

iSqFt or STACK Estimating: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.