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Archflow
What it is
Archflow is a web platform for designing software systems with AI. Its assistant turns natural-language input into architecture diagrams, user stories, scope cards, and technical documentation. The visual editor supports UML classes, interfaces, components, databases, and services with drag-and-drop creation plus undo and redo history. Real-time collaboration provides live cursors, presence indicators, synchronized editing, comments, and activity feeds. Kanban boards track story status, estimates, and acceptance criteria, with direct links to architecture diagrams. Technical documentation uses a Markdown editor with live preview and categories, and can be generated with AI. Archflow lists Stripe, OpenAI, GitHub, Google, and Resend integrations for payments, AI, authentication, and email. The Free plan costs nothing and allows one project with three diagrams per project, basic diagram editing, Kanban stories, and email support. Pro costs $5 a month and adds unlimited projects and diagrams, AI-generated stories, scope and documentation, collaboration, and priority support. Prompts and selected project context are sent to OpenAI’s API.
For and against
For
- AI generates diagrams, stories, scope, and docs
- Real-time synchronized collaboration
- Kanban stories link to architecture diagrams
- Free plan available
- Pro costs $5 a month
Against
- Free plan limited to one project
- Free plan allows three diagrams per project
- AI prompts and context go to OpenAI
- Users must be at least 18
The verdict
Archflow combines AI-assisted system design, diagrams, planning boards, documentation, and team editing in a web app. The Free plan supports limited exploration, while Pro expands capacity and collaboration for software teams.
Who it suits
The Free plan suits personal projects and exploration. Pro is positioned for teams building software together and needing unlimited project space, AI generation, collaboration, and priority support.
Plans and prices
Free
1 project · 3 diagrams per project · user-story Kanban board · basic UML diagram editor
Read 15 Oct 2026 · archflow.dev
Pro
unlimited projects and diagrams · Flowy AI assistant · AI-generated stories, scope and documentation · scope boards
Read 15 Oct 2026 · archflow.dev
On the record
- Age requirement
- Users must be at least 18 years old to register and use the service.archflow.dev · read 15 Oct 2026
- AI assistant
- The Flowy assistant creates architecture diagrams, stories, scope cards and technical documents from natural-language descriptions.archflow.dev · read 15 Oct 2026
- AI coding workflow
- Archflow says linked stories, scope, diagrams and documents can be handed to engineers or fed into AI coding tools.archflow.dev · read 15 Oct 2026
- AI data handling
- Prompts and selected project context are sent to the AI provider, while generated outputs and chat history are stored as project data.archflow.dev · read 15 Oct 2026
- Architecture diagrams
- The visual editor supports UML classes, interfaces, components, databases and services with drag-and-drop editing and undo/redo.archflow.dev · read 15 Oct 2026
- Authentication integrations
- Accounts can be registered with email and password or through GitHub and Google OAuth.archflow.dev · read 15 Oct 2026
- Billing
- Paid subscriptions are charged in advance through Stripe and continue until the billing period ends after cancellation.archflow.dev · read 15 Oct 2026
- Collaboration
- Real-time collaboration includes live cursors, presence indicators, synchronized editing, comments, and activity feeds.archflow.dev · read 10 Oct 2026
- Company listing: executive
- Crunchbase names Hong Yoon-jung as CEO of Archflow AI.crunchbase.com · read 15 Oct 2026
- Company listing: founder and size
- LinkedIn lists Archflow by Ground One Inc. as founded in 2022 with 11–50 employees and headquarters in Seoul.linkedin.com · read 15 Oct 2026
- Company listing: funding
- Crunchbase shows one grant funding round associated with the TIPS Program, but the amount is obscured.crunchbase.com · read 15 Oct 2026
- Company listing: headquarters
- Crunchbase places Archflow AI in Seocho, Seoul, South Korea.crunchbase.com · read 15 Oct 2026
- Company listing: legal name
- Crunchbase identifies the Archflow AI company as Ground One Inc., also known as Ground One, with active for-profit status.crunchbase.com · read 15 Oct 2026
- Company news
- LinkedIn reports that Archflow received a K-DATA Award as an excellent 2025 Data Voucher Program case for AI-based building-energy optimization.linkedin.com · read 15 Oct 2026
- Data retention
- Account data is deleted or anonymized within 30 days after deletion, AI history and activity logs may remain up to 12 months, and payment records are retained seven years.archflow.dev · read 15 Oct 2026
- Diagram editor
- The visual editor supports UML classes, interfaces, components, databases, and services, with drag-and-drop creation and undo/redo history.archflow.dev · read 10 Oct 2026
- Documentation
- Technical documentation uses a Markdown editor with live preview and categories, and can be generated with AI.archflow.dev · read 10 Oct 2026
- Documentation depth
- The product advertises Markdown documentation with categories, live preview and AI generation, but no separate public developer documentation was found.archflow.dev · read 15 Oct 2026
