Centerline
As of July 2026: $75/project/mo in a 10-project bundle (≈$9,000/yr floor), $65/project up to 20, $50/project over 20.
Platform comparison
ARK Projex vs Centerline
Centerline prices CA by the project — starting at a 10-project bundle. ARK is $49 per project from project #2, your first project is free forever, and CA is just one part of the platform.
Pricing
ARK Projex
Unlimited $149/user/mo list — $119/user/mo Founding Firm pricing, locked for life. Construction à la carte $49/project/mo. First project free forever. Pre-launch: join the launch list to lock Founding Firm pricing.
Feature comparison
| Feature | Centerline | ARK Projex |
|---|---|---|
| Submittals w/ consultant routing & revision cycles | ✓ | ✓ |
| AI submittal review w/ spec citations | — | ✓ |
| RFIs w/ consultant workflow | ✓ | ✓ |
| Field reports w/ PDF export | ✓ | ✓ |
| Drawing release sets + title-block OCR + supersession | Partial — CA document focus | ✓ |
| Spec indexing + AI search | — | ✓ |
| Changes (ASI/PR/CCD/CO) w/ formatted PDFs | ✓ | ✓ |
| Pay applications: AIA G702/G703-layout PDFs + e-sign | Partial | ✓ |
| In-browser PDF markup studio (ARK View) + Bluebeam Studio integration | — | ✓ |
| Meeting minutes w/ AI transcripts (Zoom/Teams/Fireflies/Read AI) | — | ✓ |
| Bidding management (first bid free) | — | ✓ |
| Design-phase management (milestones, phases & schedule, Gantt) | — | ✓ |
| CRM funnel (lead forms, speed-to-lead SMS/email, campaigns, booking pages) | — | ✓ |
| Time & invoicing (timesheets, invoices, 5 financial reports) | — | ✓ |
| Client portal w/ login | — | ✓ |
| QuickBooks + Microsoft 365 connections | — | ✓ |
| Free unlimited collaborator/participant seats | ✓ | ✓ |
| Published pricing + self-serve trial | Partial — bundle quotes / self-serve no | ✓ |
Where Centerline is strong
- ✓Established CA record-keeping trusted by firms for years
- ✓Simple per-project mental model
- ✓Proven CA document trail