No. 13 of 42 ·Electrical Design Software

Siemens Building X

Web · Windows · Mac · Linux · Android · iPhone · API

Freedom report

Two barsScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely6 of 6 device platforms
DocumentedPlans, terms and facts published

Siemens Building X is ranked #13 of 42 in electrical design software on Freedom251. It runs on Android, API, iOS, Linux, macOS, Web, Windows. There is no free plan.

Siemens Building X plans and pricing

All plans

Building X application or API subscription Not published Subscriptions are yearly; request a quote for pricing. Choose applications or APIs for target use cases · Start with one app and scale as needed · Regional availability requires contacting Siemens siemens.com · 2 Oct 2026

Compared on electrical design software

Free plan: Yes

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The record

Purpose: Building X is a platform for managing building operations and using building data to improve sustainability, operations, and performance.
Use cases: Its applications cover energy and sustainability, safety and security, and operations and maintenance.
Energy management: Energy Manager monitors energy use and costs, benchmarks building portfolios, supports custom performance indicators, and provides analytics and reporting.
Connectivity: The platform supports vendor-agnostic connectivity using Siemens solutions, gateways, and standard protocols, and does not require Siemens devices.
Integrations: Building X provides open APIs for application development and system integration, including APIs for application data, building data, and user account management.
Cloud hosting: Building X is based on AWS, and Siemens includes hosting and performs deployment.
Certifications: Siemens lists ISO/IEC 27001, 27017, and 27018 and a SOC 2 Type II report for Building X, and says Energy Manager is ISO 50001-certified.
Data ownership: Siemens states that the building owner owns the building data and decides how it is accessed, shared, and used.
Subscription terms: Building X subscriptions are yearly, and Siemens directs customers to contact it about cancellation policies and regional availability.
Mobile access: The Workplace Experience app supports mobile and web access as well as kiosk-supported access.
API access limits: Building X API Manager allows up to 200 machine users per partition and 75 per machine-user group.
Support: Siemens offers a personalized walkthrough, live demonstration, and answers to questions through its quote process.
Founded: 1847
Headquarters: Munich, Germany; registered offices also in Berlin

Where it ranks on Freedom251

Best Electrical Design Software in 2026#13 of 42
Best Predictive Analytics Software in 2026#11 of 35
Best Data Science Platforms in 2026#17 of 32
Best AutoML Software in 2026#13 of 28
Best Building Management Software in 2026#10 of 23
Best Energy Management Software in 2026#8 of 23

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Sources

siemens.com/en-gb/products/building-x/· checked 2 Oct 2026
siemens.com/en-gb/products/building-x/applications/· checked 2 Oct 2026
siemens.com/en-gb/products/building-x/buying-guide/· checked 2 Oct 2026
siemens.com/en-gb/products/building-x/applications/· checked 2 Oct 2026
siemens.com/en-gb/products/building-x/apis/· checked 2 Oct 2026
siemens.com/en-gb/products/building-x/request-quote· checked 2 Oct 2026