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System architecture diagrams that speed up reviews

Bring speed and quality to your projects

Problems
Inefficient reviews can increase development effort by 40%
Even though "you should understand from the system diagram", meetings and supplementary documents are often required. Review opportunities—such as with clients, auditors, and teammates—are more frequent than expected.

*Developers spend up to 40% of their time aligning understanding with team members. (Forrester / McKinsey reports on developer time allocation)
*If documentation or design materials are insufficient, review and onboarding time can double. (Capers Jones - The Economics of Software Quality)
*Many rework and incident causes stem from deficiencies in requirements definition and design. In some cases 20–40% of total effort is spent on redesign and reimplementation. (IPA — Software Development Data Report)

Solutions
Improve review efficiency by using use cases
Automatically generate system architecture diagrams from use cases—no need for extra documents, easier commenting, and consistent formats.

Step 1
Register use cases
Automatically generate system architecture diagrams from use cases

Step 2
Comment on use cases
Gather the information needed for comments into the system diagram

Step 3
Reuse use cases
AI suggests reuse of system diagrams based on past records


Mission
Deliver speed and quality to your projects with efficient reviews

Unique Feature 1
Context Editor
Organize the flow of processes—who does what and how—per use case
Unique Feature 2
Autoplay
Guidance aligned with process flows helps you fully understand server resource purposes and requirements

Unique Feature 3
Reuse Suggestion AI

AI finds past designs with similar requirements and promotes reuse
Unique Feature 4
IaC Support
Unified management of use-case code and provisioning code (CloudFormation/Terraform etc.) to advance IaC adoption
※ "IaC support": All use-case definitions are recorded using our proprietary requirement definition code (CDS) together with provisioning code (CloudFormation, Terraform, etc.). This integrates system diagrams with provisioning code, eliminates unused resources, and improves reusability of design assets. See our docs.

Pricing

FREE
Free
Create architecture diagrams
AI suggestions

STANDARD
¥1,500 / month
Create architecture diagrams
AI suggestions
Collaborative editing of diagrams
One-click duplication

BUSINESS
¥25,000 / month and up
Create architecture diagrams
AI suggestions
Collaborative editing of diagrams
One-click duplication
First 5 users included
Organization management