AOSAOS Construction Software LLC
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Related Products
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AOS:
About
AOS is construction software that keeps project management, pay applications, accounting, field paperwork, compliance, and closeout on one job record instead of five tools. It is built primarily for mid-market general contractors and commercial subcontractors, with role-based workflows for owners, developers, architects and engineers, residential builders, and permit expediters. Teams manage drawings, RFIs, submittals, schedules, change orders, daily logs, vendor prequalification, materials, accounts payable, and lien-waiver tracking from the project record. Pay applications are generated from the schedule of values, with retainage and stored materials. Pricing is a flat monthly fee, not a percentage of construction volume; the GC Launch Pack is capped at 50 active projects during beta, with some capabilities offered as add-ons or on request.
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Katchap:
About
Katchap is construction site management software for project and field teams. It organizes work around project drawings, linking spaces and trades with progress updates, photographs, notes, inspections and issues. Teams can manage document folders and revisions, track observations and hold-ups, coordinate requests for information (RFIs) and submittals, and review project activity through reports and analytics. Depending on plan, Katchap also includes drawing revision comparisons, approval workflows, 360-degree capture and a daily site diary. The browser-based service is available alongside iOS and Android apps, with offline access to selected project information for site work. Main contractors, project managers, site teams, subcontractors, consultants and owners can use role-based project views to keep site records and coordination in one workspace.
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AOS:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Katchap:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Not Supported
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AOS:
Audience
Mid-market general contractors and commercial subcontractors.
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Katchap:
Audience
Main contractors, project managers, site managers, subcontractors and consultants on construction projects
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AOS:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Katchap:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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AOS:
API
Offers API
Supported
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Katchap:
API
Offers API
Not Supported
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AOS:
Screenshots and VideosNo images available
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Katchap:
Screenshots and Videos |
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AOS:
Pricing
$500/month
The GC Launch Pack is $500 per month during open beta, as a flat monthly fee for up to 50 active projects. There are no per-user fees during beta. Signups by December 14, 2026 lock the beta rate through July 13, 2028. Estimating and ITB are paid add-ons; some other capabilities are available on request.
Free Version
Not Supported
Free Trial
Not Supported
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Katchap:
Pricing
€29/user/month
Basic is free. Pro costs €29 per user per month when billed annually; annual charges are billed upfront and exclude VAT. A 30-day free trial is offered.
Free Version
Supported
Free Trial
Supported
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AOS:
Reviews/
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Katchap:
Reviews/
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AOS:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Katchap:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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AOS:
Company InformationAOS Construction Software LLC
Founded: 2024
United States
aos.build
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Katchap:
Company InformationKatchap
Founded: 2026
Ireland
katchap.com
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Katchap:
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Categories |
Katchap:
Categories |
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Katchap:
Integrations
SendGrid
Not Supported
Twilio
Not Supported
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Katchap:
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