eSUB Fusion
Business
Free
Field-to-office construction project management for trade contractors
Construction Management Software for Commercial Subcontractors
Fusion by eSUB is the modern field management and construction project management app built exclusively for commercial subcontractors. Connect your field teams to the office with real-time project visibility, streamlined documentation, and field-first workflows designed for how specialty trade contractors actually work. eSUB helps your team capture critical jobsite information, improve communication, increase project visibility, reduce rework, and protect profitability.
Key Mobile Features
Field Communication & Documentation
Keep field and office teams aligned with real-time jobsite updates.
Daily Reports with Foremen Time
Time and Materials with Digital Signature
Field Notes and Activity Stream
Photos and Videos
Offline Access
Drawing & Project Management
Give field teams access to the information they need to execute work efficiently and reduce rework.
Drawings Management
RFIs
Change Orders
Submittals
Purchase Orders
Project Drive and Document Storage
Project Information
Real-Time Updates
Construction Management Built for the Entire Team
Protecting your bottom line starts with the information your crew collects in the field. That’s why Fusion by eSUB is designed specifically for trade contractors, featuring simple, intuitive workflows that make it easy for foremen and field teams to document work as it happens.
But capturing field data is only the beginning.
eSUB connects the jobsite to the office, giving project managers, operations teams, accounting staff, and executives the visibility they need to keep projects on track and profitable. Real-time field documentation helps teams identify potential issues earlier, reduce rework, improve communication, and ensure every change, delay, and extra work request is properly documented.
With eSUB, contractors can turn field data into actionable project insights, helping them:
Gain real-time visibility into field activity and project performance
Capture and bill for extra work before revenue is lost
Reduce disputes with complete project documentation
Manage change order and T&M tickets with confidence
Improve forecasting and project visibility
Streamline billing workflows with Progress Billing (SOV and Pay Apps)
From the field to the back office, eSUB helps commercial subcontractors improve productivity, increase project visibility, protect margins, and gain greater control over every project.
What is the eSUB Difference?
Built exclusively for commercial subcontractors
Connects field operations, project management, and accounting
Unmatched onboarding and customer service
Improves documentation and jobsite communication
Reduces rework and project risk
Increases revenue capture from extra work and change orders
Helps contractors improve cash flow with progress billing
With over 25 years serving commercial trade contractors, see how eSUB can help improve productivity and protect your profit.
Ratings & Reviews
Performance improvements and bug fixes
The developer, eSUB Construction Software, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- User Content
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- eSUB Inc.
- Size
- 156.4 MB
- Category
- Business
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 eSUB Inc.