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KNTRCTR
What KNTRCTR is
KNTRCTR is web-based subcontractor management software for heavy civil and general contractors. Prime contractors can post job dates, scope, requirements and attachments once for invited crews, then compare and level bids while retaining the original bid for reference. Rex AI scans bids for outliers, unanswered items and past reviews, and can read attachments before an award. It presents analysis rather than selecting a subcontractor; the user makes the award decision.
Invited subcontractors can open jobs, ask questions and submit bids for free. After an award, a shared job workspace supports contacts, insurance details and a checklist. Performance reviews stay double-blind until both parties submit them. KNTRCTR works alongside existing estimating and project management systems, but is focused on organizing bids and tracking subcontractor performance rather than takeoffs, scheduling or cost control. The first prime-contractor seat is $250 a month, with the first 30 days free; extra seats are $50 a month. Invited bidders have a free plan.
Who it suits
It suits heavy civil and general contractors coordinating invited subcontractor bids and performance reviews. Subcontractors invited to bid can use it to review jobs, ask questions and submit bids at no charge.
What it does well
- One job post can include dates, scope, requirements and attachments.
- Original bids remain visible during comparison.
- Rex AI can read attachments before an award.
- Invited bidders can submit bids for free.
- Reviews stay double-blind until both sides submit.
What to know first
- First prime-contractor seat costs $250 a month after trial.
- Each additional seat costs $50 a month.
- It does not handle estimating takeoffs, scheduling or cost control.
- REX is beta and its output may be inaccurate or misleading.
Limits
The free plan is for invited bidders to open jobs, ask questions, and submit bids. Prime-contractor access starts with one seat at $250 a month, billed monthly, with the first 30 days free; each extra seat is $50 a month.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free Bidder | No charge to invited bidders. · Open invited jobs · ask questions · submit a bid | Free |
| Prime contractor — first seat | Billed monthly; month to month, no annual contract. First 30 days free. · One first seat · full access including Rex AI | $250 a month |
| Prime contractor — additional seat | Each extra person, monthly. · Additional seat · same access as first seat | $50 a month |
As kntrctr.com lists them, read 30 Sept 2026. The maker's own page has the final word.
Getting started
- Visit the KNTRCTR website.
- Sign up for the first prime-contractor seat, which includes the first 30 days free.
- Post a job with its dates, scope, requirements, and attachments for invited crews.
- Invite subcontractors to open the job, ask questions, and submit bids for free.
- Compare and level bids, then make the award decision.
- After awarding a job, use its workspace for contacts, insurance, and a shared checklist.
Verdict
KNTRCTR centers on bid organization and subcontractor performance, with Rex AI providing decision support rather than making awards. Its stated scope excludes takeoffs, project scheduling and cost control.
Questions
Is there a free plan?
Yes. Invited bidders can use the Free Bidder plan at no charge to open invited jobs, ask questions, and submit bids.
How much does prime-contractor access cost?
The first seat is $250 a month, billed monthly, with the first 30 days free. Each additional seat is $50 a month.
What platforms does KNTRCTR support?
KNTRCTR is available on the web.
Does Rex AI choose the winning subcontractor?
No. Rex AI surfaces analysis, but the user makes the award decision. REX is described as a beta decision-support feature whose output may be incomplete, inaccurate, outdated, or misleading.
Does KNTRCTR integrate with estimating or project management software?
It works alongside existing estimating tools and project management systems, but no specific integrations are named.
What does KNTRCTR focus on?
It focuses on bid organization and subcontractor performance tracking. It does not cover estimating takeoffs, project scheduling, or cost control.
Facts from KNTRCTR's own pages
- AI decision role
- Rex AI surfaces analysis but does not choose the winning subcontractor; the award decision stays with the user. · kntrctr.com, 30 Sept 2026
- Bid comparison
- The platform lets contractors compare and level bids while keeping the original bid visible. · kntrctr.com, 30 Sept 2026
- Bid requests
- Prime contractors can post job dates, scope, requirements, and attachments once for invited crews. · kntrctr.com, 30 Sept 2026
- Company
- The terms identify Lexington Springs Holding Corp. as the operator of KNTRCTR. · kntrctr.com, 30 Sept 2026
- Integrations
- The features page says KNTRCTR works alongside existing estimating tools and project management systems, without naming integrations. · kntrctr.com, 30 Sept 2026
- Invited bidding
- Subcontractors invited to bid can open the job, ask questions, and submit a bid for free. · kntrctr.com, 30 Sept 2026
- Job kickoff
- After award, the job workspace supports contacts, insurance, and a shared checklist. · kntrctr.com, 30 Sept 2026
- Product
- KNTRCTR is subcontractor management software for heavy civil and general contractors. · kntrctr.com, 30 Sept 2026
- Product limit
- KNTRCTR focuses on bid organization and subcontractor performance tracking, not estimating takeoffs, project scheduling, or cost control. · kntrctr.com, 30 Sept 2026
- Reviews
- Performance reviews are double-blind until both sides submit them. · kntrctr.com, 30 Sept 2026
- Rex AI
- Rex AI scans bids for outliers, missing answers, and past reviews, and can read attachments before an award. · kntrctr.com, 30 Sept 2026
- REX limitation
- The terms describe REX as a beta decision-support feature whose AI output may be incomplete, inaccurate, outdated, or misleading. · kntrctr.com, 30 Sept 2026
- Support contact
- The terms list [email protected] for questions about the terms. · kntrctr.com, 30 Sept 2026
Where KNTRCTR stands on Freedom251
- Construction Bid Management Software#13 of 31