Document360 vs Fern: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
Document360
Document360 is an AI-powered knowledge base platform that helps teams create, manage, and share product documentation efficiently.
Fern
Fern generates production-ready SDKs and beautiful API documentation automatically from your OpenAPI specification for multiple programming languages.
Document360
Document360 is an AI-powered knowledge base platform that helps teams create, manage, and share product documentation efficiently.
Fern
Fern generates production-ready SDKs and beautiful API documentation automatically from your OpenAPI specification for multiple programming languages.
Document360
AI-powered writing and search assistance
Visual and markdown editors with media support
Auto-translate to 50+ languages
Version control and rollback options
Custom workflows and approval processes
Detailed analytics and reporting
SEO optimization tools
API documentation support
Team collaboration features
30+ third-party integrations
Custom branding and design
Mobile-responsive knowledge base
Fern
Automatic SDK generation in 8+ programming languages
Stripe-style API documentation websites
Direct publishing to package registries
OpenAPI and AsyncAPI support
Interactive API playground with live testing
Custom branding and domain support
Built-in OAuth 2.0 and authentication
Automatic pagination and retry logic
WebSocket and SSE support
Version control with Git
AI-powered search assistant
Open source on GitHub
Document360
Document360 offers three main pricing tiers with custom pricing based on your needs. All plans include a 14-day free trial with full Enterprise features.
The Professional Plan is built for growing teams and includes internal and external knowledge bases, custom domains, auto-translation to 50+ languages, SEO customization, API documentation, and AI writing tools. You also get 24/5 support and guided setup.
The Business Plan adds advanced features for mid-sized teams, including custom workflow builders, embedded help centers, support ticket deflection, advanced analytics, integration with 30+ tools, API support, and a dedicated account manager. This plan includes AI search and answer capabilities.
The Enterprise Plan provides everything in Business plus multiple sign-on options, interactive decision trees, testing environments, security audit trails, dedicated design experts, and 24/5 priority support. Enterprise customers get auto-generated glossaries through AI.
Pricing varies by region and usage. Contact Document360 for specific pricing details tailored to your organization.
Fern
Fern offers separate pricing for SDKs and documentation to fit different team needs.
For SDK generation, there are three tiers available:
Basic Plan ($250/month per SDK): Supports up to 50 endpoints with REST API support, automated publishing, and schema validation. Billed annually.
Pro Plan ($600/month per SDK): Includes up to 150 endpoints, WebSockets, webhooks, dedicated Slack support, and advanced features like pagination and OAuth. Billed annually.
Enterprise Plan (Custom pricing): Offers unlimited endpoints, SDK migration services, enterprise support with SLAs, GitHub issue monitoring, and custom code maintenance.
For documentation, pricing includes:
Basic Plan ($400/month): Stripe-like API reference, API playground, custom domain, and built-in components. Billed annually.
Pro Plan ($1,000/month): Everything in Basic plus custom React components, authenticated docs, role-based access control, and AI search capabilities. Billed annually.
Enterprise Plan (Custom pricing): Includes white-glove content migration, custom integrations, SSO authentication, design services, and enterprise support.