# eSUB vs STACK Estimating

**Leader by vioscaleAI score:** STACK Estimating

| Attribute | eSUB | STACK Estimating |
|---|---|---|
| **vioscaleAI score** | 35.7 (37% (low)) | 60.1 (68% (medium)) |
| content.faq | `[{"answer":"Construction management software that centralizes project documents, field communications, RFIs, submittals, and change orders in a cloud system accessible via mobile app. Helps subcontractors track project costs, manage materials and labor, integrate with accounting systems, and improve decision-making with real-time project visibility. It is indexed under Construction Management Software.","source":"https://esub.com/blog/construction_labor_and_pricing_trends","question":"What is eSUB?","confidence":0.6},{"answer":"eSUB does not publish its prices. Pricing is quoted on request, so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://esub.com/blog/construction_labor_and_pricing_trends","question":"How much does eSUB cost?","confidence":0.6},{"answer":"eSUB supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://esub.com/blog/construction_labor_and_pricing_trends","question":"What platforms does eSUB support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for eSUB, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://esub.com/blog/construction_labor_and_pricing_trends","question":"Can eSUB be self-hosted?","confidence":0.6}]` | `[{"answer":"Cloud-based platform for construction takeoff, estimating, and field operations. Provides automated measurement of drawings, bid pricing, and mobile field management for contractors, suppliers, and owners. It is indexed under Construction Management Software.","source":"https://www.stackct.com","question":"What is STACK Estimating?","confidence":0.6},{"answer":"STACK Estimating offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.stackct.com","question":"Is STACK Estimating free?","confidence":0.6},{"answer":"STACK Estimating supports the web, Windows, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.stackct.com","question":"What platforms does STACK Estimating support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for STACK Estimating, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.stackct.com","question":"Can STACK Estimating be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 for STACK Estimating. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as STACK Estimating not holding them. Always confirm compliance directly before you rely on it.","source":"https://trust.stackct.com","question":"What security certifications does STACK Estimating have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | Construction management software that centralizes project documents, field communications, RFIs, submittals, and change orders in a cloud system accessible via mobile app. Helps subcontractors track project costs, manage materials and labor, integrate with accounting systems, and improve decision-making with real-time project visibility. | A cloud-based software platform designed to help construction teams accelerate quantity takeoffs, develop cost estimates, and manage project documents using AI-powered measurement and analysis tools. |
| features.capabilities | `{"soc2":false,"bim_ifc":"none","iso_19650":false,"iso_27001":false,"scheduling":false,"soc2_type_ii":false,"pricing_model":"quote","rfi_submittal":true,"accounting_erp":true,"mobile_support":"mobile","primary_module":"field_mgmt","safety_quality":false,"target_segment":"subcontractor","deployment_model":"cloud_web_app","document_control":true,"estimating_takeoff":false,"aia_g702_g703_progress_billing":false,"retainage_withholding_tracking":false,"change_order_revenue_impact_budgeting":false,"certified_payroll_davis_bacon_reporting":false,"union_payroll_complex_fringe_deductions":false,"purchase_order_and_subcontract_management":true,"granular_phase_and_cost_code_budget_tracking":true,"equipment_depreciation_and_usage_cost_allocation":false,"wip_work_in_progress_over_under_billing_reporting":false}` | `{"accounting_erp":true,"mobile_support":"mobile","primary_module":"estimating","deployment_model":"cloud_saas_platform","document_control":true,"estimating_takeoff":true,"excel_direct_export_integration":true,"ai_auto_count_symbol_recognition":true,"collaborative_cloud_multi_user_viewing":true,"linear_area_and_volume_measurement_tools":true,"customizable_assemblies_and_material_grouping":true,"multi_page_plan_overlay_and_revision_comparison":true}` |
| integrations.count | 1 | 1 |
| integrations.list | `[{"name":"QuickBooks Online"},{"name":"Accounting systems"}]` | `[{"name":"QuickBooks Online"}]` |
| platform.support | `{"ios":true,"web":true,"android":true}` | `{"web":true}` |
| pricing | `{"type":"quote","sourceUrl":"https://esub.com/blog/construction_labor_and_pricing_trends","retrievedAt":"2026-08-24T22:34:49.656Z"}` | `{"freeTier":true,"sourceUrl":"https://www.stackct.com","retrievedAt":"2026-08-03T11:57:18.047Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | quote | freemium |
| pricing.price_level | unknown | low |
| pricing.transparent | no | no |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.pci | - | yes |
| security.soc2 | - | yes |

## Capabilities (Construction Management Software)

| Capability | eSUB | STACK Estimating |
|---|:--:|:--:|
| **Core** |  |  |
| Primary module | Field management | Estimating/takeoff |
| **Preconstruction** |  |  |
| BIM / IFC support | None / unknown | - |
| Estimating and quantity takeoff | ✗ | ✓ |
| **Documents** |  |  |
| Document control and drawing management | ✓ | ✓ |
| RFI and submittal management | ✓ | - |
| **Scheduling** |  |  |
| Scheduling (Gantt / CPM) | ✗ | - |
| **Field** |  |  |
| Safety and quality management | ✗ | - |
| Mobile field app | Mobile field app | Mobile field app |
| **Integrations** |  |  |
| Accounting / ERP integration | ✓ | ✓ |
| **Compliance** |  |  |
| ISO 19650 (BIM information management) support | ✗ | - |
| SOC 2 attested | ✗ | - |
| **Pricing** |  |  |
| Pricing model | Quote / contact sales | - |
| **Market** |  |  |
| Target segment | Subcontractor / trades | - |

*Source: vioscaleAI. Generated 2026-10-16T20:40:49.245Z. "-" = undocumented, not absent.*