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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

sampleapp.ai logo
sampleapp.ai
✓ verifiedFreemium

Helps API companies build interactive, Stripe-style onboarding walkthroughs that speed developer integration and reveal drop-off points.

3.1K visits/mo
Angular.dev logo
Angular.dev
✓ verifiedFree

Google's open-source TypeScript framework for building scalable web apps, featuring signals, reactivity and first-party tooling.

1.1M visits/mo
The New GitBook logo
The New GitBook
✓ verifiedFreemium

Documentation platform for publishing accurate, AI-ready docs sites, with Git sync and an MCP server for AI tools.

653K visits/mo2.9K saves
DocuWriter.ai logo
DocuWriter.ai
✓ verifiedFree trial

AI tool that connects to your repo and auto-generates code, API and UML documentation, keeping it in sync as code changes.

71K visits/mo26K saves
Pricing

No public pricing

No public pricing

No public pricing

Free trial available

Starter: $20/mo (50 credits)
Professional: $49/mo (200 AI documents)
Enterprise: $129/mo (500 AI documents)
Unlimited: $299/mo (unlimited AI documents)

Free trial available

Core features
  • Pre-built onboarding flows per use case
  • Code snippets generated in the prospect's own tech stack
  • Synchronized steps, live preview, and code panes
  • Browser-based, no local setup required
  • Embeds into docs platforms like Mintlify, GitBook, Docusaurus
  • Dashboard tracking prospect progress and time-to-first-call
  • Integrates with CRM/GTM tools like HubSpot and Salesforce
  • Signals-based fine-grained reactivity
  • Built-in control flow and deferrable views
  • Server-side rendering and hydration
  • First-party routing, forms and dependency injection
  • AI-forward tooling and MCP resources
  • In-browser tutorials and playground
  • Publish structured documentation sites
  • Git sync for docs-as-code workflows
  • AI setup agent to build and import docs
  • GitBook MCP server for AI access
  • Enterprise controls
  • Free tier to start
  • AI-generated code, API and UML documentation
  • Repo integrations: GitHub, GitLab, Bitbucket, Azure DevOps
  • Autopilot agent that detects documentation drift
  • OpenAPI/Swagger spec generation
  • MCP server access for AI tools
  • Self-hosted option
Use cases
  • Onboarding new developers to an API product
  • Running live product demos for sales teams
  • Reducing support tickets from confused integrators
  • Tracking developer activation and drop-off in docs
  • Building scalable single-page apps
  • Enterprise web application development
  • Performance-critical front ends
  • Learning modern web development
  • Publish product and API documentation
  • Maintain docs-as-code with Git sync
  • Make docs consumable by AI assistants
  • Import existing docs into a hosted site
  • Documenting legacy codebases
  • Onboarding new engineers
  • Generating and syncing API references
  • Producing docs for open-source projects and SDKs
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