Buildlr vs Open Planner Studio
Buildlr
buildlr.comOpen Planner Studio
open-aec.comSide by side
| Figure | Buildlr | Open Planner Studio |
|---|---|---|
| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Plans published | 2 | 2 |
| Spec score · Construction Scheduling Software | 9.0 (#2) | 7.8 (#11) |
| Headquarters | Agios Athanasios, Limassol, Cyprus | Dordrecht, Netherlands |
| Intended users | The platform is offered to construction businesses from solo tradespeople to companies with 200+ employees. | The maker invites work planners, schedulers, project leads and BIM coordinators to test the product and provide feedback. |
| Purpose | Buildlr brings construction CRM, estimating, project management, invoicing and a customer portal together in one platform. | Open Planner Studio is an open source construction planning tool for buildings, infrastructure and civil works. |
| Support | The plan includes customer support and guided onboarding, with optional 15-minute tailored demos. | The app includes an offline manual in fourteen languages, with a quick start, practical guides, reference pages and sample projects. |
Plans
In their own words
Buildlr
Buildlr brings construction CRM, estimating, project management, invoicing and a customer portal together in one platform. Its preconstruction tools cover lead and client management, scope-based estimates, quotes with online approval and requests for subcontractor pricing. For active projects, teams can use an interactive Gantt schedule, project files, change orders and client approvals. Workforce tools include GPS check-in, task-level time tracking, live crew locations and time-off requests. Financial features cover invoicing and accounts receivable tracking, with dashboards for revenue, margins and KPIs. Cortex uses workspace context for task suggestions, daily briefings, automated updates and assisted actions. Buildlr describes the service as offline-first and says it works offline on any device. Customers can choose to connect Fortnox or QuickBooks for accounting. The company says it processes personal data under the EU and UK GDPR, hosts service data in Germany and keeps backups in the EU. It lists TLS encryption in transit, API-level workspace isolation, adaptive password hashing and encryption of integration credentials at rest. The Value-based plan has no subscription or per-user charge: it bills 0.35% of each invoice sent through Buildlr, weekly. A 30-day trial is available, but there is no free plan.
Open Planner Studio
Open Planner Studio is an open-source construction planning tool for buildings, infrastructure and civil works. It provides Gantt charts, automatic critical-path calculation, resource histograms and automatic levelling when resources are overallocated. Schedules use native IFC 4.3; the app imports and exports IFC, CSV, MS Project XML and Primavera P6 XML, and opens MS Project MPP files. Construction calendars can account for holidays, recesses, frost delays, inspections and phasing, with task durations entered in days or hours. Reports export as PDFs at approximately 220 DPI, on paper sizes up to A2, with baseline overlays and status or progress lines. A built-in MCP server allows compatible AI clients to read and edit schedules, with pause, read-only mode, backups and an activity panel. Schedules are stored as IFC files rather than a proprietary closed format. Crash recovery is available, alongside optional periodic saving to a writable project file. The app is marked Available Beta and includes an offline manual in fourteen languages. It runs on Linux, macOS, Windows and the web.