CostOS Estimating

Advanced estimating software for construction projects, integrating 2D, 3D, and BIM data.

Construction Project Management Estimating & Takeoff BIM Tools

4.6(21 across the web)

What is CostOS Estimating?

CostOS Estimating (construction project management): Advanced estimating software for construction projects, integrating 2D, 3D, and BIM data. CostOS Estimating is a comprehensive estimating solution designed for the construction industry. It enables estimators to create accurate and detailed bids by leveraging a single platform that integrates 2D drawings, 3D models, and Building Information Modeling (BIM) data. Key capabilities: 2D, 3D, and BIM integration for quantity takeoff, Database-driven cost libraries, Automated cost calculations and adjustments, Bid management and proposal generation, Scenario analysis and what-if modeling. CostOS Estimating ships a free plan plus paid tiers that unlock as usage grows. Buyers most often compare CostOS Estimating against conmeet, Pirros.

TL;DR - CostOS Estimating

Integrates 2D, 3D, and BIM data for comprehensive estimating.
Automates quantity takeoffs and cost calculations.
Streamlines bid management and project cost control.

Pricing: Free plan available

Best for: Growing teams

4.6/5 across review platforms

Pros & Cons

Pros

Significantly reduces manual takeoff time through automation.
Improves accuracy of estimates by leveraging integrated data.
Provides comprehensive cost control and risk management.
Enhances collaboration among estimating teams.
Supports various project complexities and scales.

Cons

Requires initial setup and customization of cost databases.
Learning curve for new users due to extensive features.

Ratings Across the Web

4.6(21 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

2D, 3D, and BIM integration for quantity takeoffDatabase-driven cost librariesAutomated cost calculations and adjustmentsBid management and proposal generationScenario analysis and what-if modelingReporting and analytics toolsMulti-user collaborationIntegration with project management systems

Pricing Plans

Free Trial

Free

1 user
1 project
100 MB storage
Basic features

Basic

$10/month

5 users
5 projects
1 GB storage
Advanced features

Pro

$25/month

Unlimited users
Unlimited projects
10 GB storage
All features
Priority support

View full pricing

About CostOS Estimating

LCLouis CorneloupUpdated May 11, 2026

CostOS Estimating is a comprehensive estimating solution designed for the construction industry. It enables estimators to create accurate and detailed bids by leveraging a single platform that integrates 2D drawings, 3D models, and Building Information Modeling (BIM) data. The software streamlines the entire estimating process, from takeoff and quantity surveying to cost analysis and bid generation, reducing manual effort and improving accuracy. This tool is ideal for contractors, engineering firms, and project owners who require precise cost control and efficient bid management for complex construction projects. By centralizing data and automating calculations, CostOS helps users make informed decisions, mitigate risks, and ultimately win more profitable projects. Its robust features support various project types and scales, ensuring adaptability to diverse industry needs.

How we evaluate tools →Source: costos.com

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Best CostOS Estimating Alternatives

Top alternatives based on features, pricing, and user needs.

conmeetPaid

Master complexity in construction and trade with an integrated operating system.

PirrosPaid

Intelligent detail management for AEC teams, unlocking the power of Revit content.

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CostOS Estimating FAQ

How does CostOS handle quantity takeoffs from different data sources like 2D drawings, 3D models, and BIM files simultaneously?

CostOS provides a unified platform that allows estimators to perform quantity takeoffs directly from 2D CAD drawings, 3D models, and BIM files. It intelligently extracts quantities and dimensions from these diverse sources, eliminating the need for separate tools and ensuring consistency across the estimate.

Can CostOS integrate with existing project management or ERP systems that a construction company might already be using?

Yes, CostOS is designed with integration capabilities to connect with various project management, ERP, and accounting systems. This allows for seamless data flow between estimating and other critical business functions, ensuring that cost data is consistent and accessible throughout the project lifecycle.

What specific features does CostOS offer to help manage and update cost data for different regions or project types?

CostOS utilizes a robust, database-driven cost library that can be customized to include region-specific rates, labor costs, material prices, and productivity factors. Users can create and manage multiple cost databases, allowing for easy adaptation to different project types, locations, and market conditions, ensuring estimates are always relevant and accurate.

How does CostOS support scenario analysis and 'what-if' modeling for project bids?

CostOS includes advanced scenario analysis tools that allow estimators to quickly model the impact of changes in scope, materials, labor, or other variables on the overall project cost. This 'what-if' functionality helps in optimizing bids, identifying cost-saving opportunities, and assessing financial risks before submission.

Source: costos.com