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About IcePanel
What does IcePanel do?
IcePanel helps teams create, share, and maintain software architecture diagrams using the C4 model. Instead of scattered diagrams that go out of date, IcePanel provides a single source of truth that syncs with your system design.
Who is it for?
Designed for software architects, engineering teams, and technical leads who need to document and communicate system structure clearly. It's ideal for small teams starting out (Free plan up to 5 editors) and scales to large organisations (Scale plan for 20+ editors). Not for one-off diagramming without versioning or for non-technical audiences who don't need architecture detail.
Real use cases
Use IcePanel to model current vs. future system designs, plan microservice boundaries, onboard new engineers, and capture architecture decisions alongside diagrams. It supports zooming in and out of detail, forking designs to propose changes, and merging with decision records.
Key features
- Drill down — Zoom in and out of detail levels, keeping a single source of truth for your architecture.
- Current vs. future design — Fork designs, propose changes, merge them, and capture key decisions.
- REST API — Read and write access to models (Growth and Scale plans).
- Decision records — Attach architectural decisions directly to diagram elements.
- Unlimited objects and overlays — No caps on model objects, overlays, or flows (Growth and Scale).
- Domains — Organise large models into logical domains (Growth and Scale).
- SSO and protected share links — Single sign-on and secure sharing for teams (Growth: 1 domain; Scale: custom terms).
SaaSpartout Score
7.1
/10
Editorial score from our review methodology — not user ratings.
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IcePanel Pricing
IcePanel pricing: from $0/mo.
Free (1–5 editors)
$0/month. Perfect for small teams and solo developers. Includes 5 editors, unlimited viewers, up to 100 model objects, unlimited diagrams, 2 tag groups, 1 flow per diagram. Standard commercial terms. 14-day free trial on Growth plan (no credit card needed).
Growth (1+ editors)
$40 per editor/month billed annually. Designed for teams needing complex, large-scale collaboration. Everything in Free plus unlimited objects, overlays, and flows, domains, draft future state designs, REST API (read and write), decision records, exports per object or domain, 1 SSO domain, protected share links.
Scale (20+ editors)
$80 per editor/month billed annually. Built for organisations managing design collaboration across multiple teams. Everything in Growth plus custom commercial terms and audit features.
Frequently asked questions
Is IcePanel free?
Yes, IcePanel offers a Free plan for up to 5 editors, with unlimited viewers and up to 100 model objects. No credit card is required for the 14-day trial on the Growth plan.
How much does IcePanel cost?
IcePanel starts free. The Growth plan is $40 per editor/month (billed annually), and the Scale plan is $80 per editor/month (billed annually).
Who is IcePanel best for?
IcePanel is best for software architects and engineering teams who need a collaborative, C4-model-based diagramming tool that keeps architecture documentation in sync as systems evolve.
What are the top alternatives to IcePanel?
Common alternatives include Structurizr, PlantUML, diagrams.net, and Miro (for generic diagramming). IcePanel differentiates with C4 model support and a version-controlled workflow.
Does IcePanel support the C4 model?
Yes, IcePanel is built around the C4 model (Context, Containers, Components, Code) and allows you to zoom in and out of detail levels for different audiences.
What is a key limitation of IcePanel?
The Free plan limits you to 100 model objects and 2 tag groups, which may be restrictive for large-scale systems. The Free plan also does not include REST API access, draft future state designs, or SSO.
