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Head-to-head · Api Docs

ReadMe vs Fern

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score ReadMe #4 in Api Docs 8.7/10 Free plan · 14-day trial Free planFree trial✓ 1 of 6 features Visit ReadMe
Fern #6 in Api Docs 8.5/10 Free plan Free plan✓ 1 of 6 features Visit Fern

ReadMe leads on 0 checks, Fern on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreReadMe · 8.7/10
  • Free planboth
  • Free trialonly ReadMe

ReadMe scores higher on our rubric for api docs: 8.7 against 8.5 out of 10; our editors rank them #4 and #6.

ReadMe is the better fit for teams needing a full-featured hosted API docs hub. Fern is the better fit for teams wanting free API docs with self-hosting options.

  • ReadMe fits best

    Teams needing a full-featured hosted API docs hub

  • Fern fits best

    Teams wanting free API docs with self-hosting options

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature ReadMe 8.7/10 Visit ↗ Fern 8.5/10 Visit ↗
At a glance
Editor score 8.7 8.5
Ranking #4 in Api Docs #6 in Api Docs
Best for Teams needing a full-featured hosted API docs hub Teams wanting free API docs with self-hosting options
Pricing model Free plan + paid Free plan + paid
Starting price $250/mo —
Free plan ✓ ✓
Free trial 14 days —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Support Email, Live chat, Community, Docs Email, Docs
Compliance SOC 2, GDPR, SSO/SAML, 2FA SOC 2
Integrations 11 integrations 5 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features ReadMe 1/6 · Fern 1/6
OpenAPI import Not checked yet Not checked yet
Custom domain ✓ ✓
Docs as code Not checked yet Not checked yet
Interactive API explorer Not checked yet Not checked yet
Documentation versioning Not checked yet Not checked yet
Documentation analytics Not checked yet Not checked yet
Our review
Pros
  • Interactive API references generated from API specifications
  • Bi-directional synchronization with GitHub, GitLab, and Bitbucket
  • Versioning, usage metrics, custom domains, and AI documentation features
  • Generates API references from OpenAPI and other specifications
  • Supports cloud and self-hosted deployment options
  • Combines versioned docs, custom domains, and AI-powered search
Cons
  • Pro costs $250 per month when billed annually
  • SSO, role controls, and audit logs are Enterprise features
  • Deployment is cloud-only
  • Free plan is limited to 10 team members and 1,000 pages.
  • Free plan caps AI credits at 250 and page generations at 2,000 monthly.
  • Enterprise pricing is custom, with advanced controls reserved for that tier.
Our verdict

ReadMe is a hosted documentation and knowledge-base platform for API companies and developer-focused teams. It combines Markdown guides with interactive API references, changelogs, recipes, discussion forums, custom domains, analytics,…

Read the review →

Fern is a documentation platform for developer-facing teams that publish API references and guides. Markdown authoring, API-spec generation, changelogs, search, an API explorer, and a visual editor support both technical writers and…

Read the review →
  1. ReadMeApi Docs 8.7Free plan · 14-day trial
  2. FernApi Docs 8.5Free plan

Strengths and trade-offs

  • ReadMe — where it wins

    • Interactive API references generated from API specifications
    • Bi-directional synchronization with GitHub, GitLab, and Bitbucket
    • Versioning, usage metrics, custom domains, and AI documentation features

    Where it doesn't

    • Pro costs $250 per month when billed annually
    • SSO, role controls, and audit logs are Enterprise features
    • Deployment is cloud-only

  • Fern — where it wins

    • Generates API references from OpenAPI and other specifications
    • Supports cloud and self-hosted deployment options
    • Combines versioned docs, custom domains, and AI-powered search

    Where it doesn't

    • Free plan is limited to 10 team members and 1,000 pages.
    • Free plan caps AI credits at 250 and page generations at 2,000 monthly.
    • Enterprise pricing is custom, with advanced controls reserved for that tier.
  • ReadMe8.7/10 · Free plan · 14-day trial

    A hosted API documentation hub with interactive references, Git sync, and analytics.

    Visit ReadMeFull verdict →
  • Fern8.5/10 · Free plan

    API documentation with exploration, versioning, analytics, and flexible deployment.

    Visit FernFull verdict →

More comparisons

All api docs comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update