Intro.js vs Stonly
Intro.js and Stonly are both product adoption & onboarding tools. Intro.js is aimed at developers, while Stonly is aimed at small businesses and enterprise. Both have a free plan.
Lightweight open-source product tours
Interactive guides and AI knowledge base for customer support teams
| Pricing | Open source | Freemium |
| Starting price | Not published | Not published |
| Free plan | Yes | Yes |
| Free trial | — | 14 days |
| Built for | Developers | Small businesses, Enterprise |
| Platforms | web | web |
| Country | US · 2013 | FR · 2018 |
| Rating | — | — |
Choose Intro.js if
Developers wanting simple tours.
- Tiny and simple
- One-time license
- Developer control
Look elsewhere if: Non-technical teams.
Choose Stonly if
Customer support teams that handle complex, multi-step issues and want guided self-service plus consistent agent troubleshooting.
- Decision trees handle complex troubleshooting better than flat articles
- Same content serves customers, agents and AI answers
- Help desk integrations bring guides into the agent workspace
Look elsewhere if: Product teams primarily optimizing in-app onboarding and feature adoption metrics (Userpilot, Appcues, Pendo).
Intro.js vs Stonly pricing
Intro.js
- Free (AGPL)$0Open-source, personal and non-commercial sites
- Starter$9.99One-time lifetime licence; 1 project, no support
- Business$49.99One-time; 5 projects, 1 month support, 1 custom theme
- Premium$299.99One-time; unlimited projects, 6 months priority support
Stonly
- Basic$0400 guide views/mo, 5 published guides, 1 team member
- Small BusinessQuoteUnder 100 staff; 4,000 guide views, 5 seats, 1 knowledge base
- EnterpriseCustomAI Agents, SSO, surveys, auto-translation, white label
Intro.js · Key features
- Step tours
- Hints
- Lightweight
- Framework wrappers
- Customizable themes
- Open source
Cons
- Code required
- No analytics
- Limited features
Stonly · Key features
- Interactive step-by-step guides and branching decision trees
- Embeddable widget for in-app guides and product tours
- Knowledge base with versioning, review flows and scheduled publishing
- AI Answers and a conversational bot built on your guide content
- AI Agent Assist that summarizes tickets and drafts replies
- Knowledge Agents and Business Process Agents for automated support flows
Cons
- Paid prices are not published and require a sales call
- Guide-view limits can force plan upgrades as traffic grows
- Help desk integrations, AI Agents and SSO are Enterprise-only
Intro.js vs Stonly: FAQ
Do Intro.js and Stonly have a free plan?
Yes, both Intro.js and Stonly have a free plan; paid plans add more usage and features.
Which is better for small businesses, Intro.js or Stonly?
Stonly lists small businesses as a core audience, while Intro.js is aimed more at developers.