Bubble
Relevance AI
| Feature | Bubble | Relevance AI |
|---|---|---|
| Pricing | Free / from $32/mo | Free / from $199/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.2 / 5 |
| Best For | non-technical-founders, startups, mvp-builders, agencies, solopreneurs | operations-teams, sales-teams, agencies, business-analysts |
| Founded | 2012 | 2020 |
| Visual Editor | ✓ | ✗ |
| Database | ✓ | ✗ |
| Workflows | ✓ | ✗ |
| Api Connector | ✓ | ✗ |
| User Auth | ✓ | ✗ |
| Responsive Design | ✓ | ✗ |
| Plugins | ✓ | ✗ |
| Agent Builder | ✗ | ✓ |
| Tool Steps | ✗ | ✓ |
| Knowledge Base | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Analytics | ✗ | ✓ |
✓ Bubble Pros
- Can build genuinely complex applications
- Built-in database and user authentication
- Marketplace of plugins and templates
- API connector for any external service
✗ Bubble Cons
- Steep learning curve for no-code
- Performance can be slow at scale
- Vendor lock-in — hard to migrate away
✓ Relevance AI Pros
- No-code agent builder
- Pre-built agent templates
- Multi-step tool chains
- Team management for AI agents
✗ Relevance AI Cons
- Expensive for heavy usage
- Complex agents need iteration
- Limited LLM provider choices
The Verdict
Bubble is built for non technical founders and startups, with a focus on visual-editor and database. Relevance AI targets operations teams and sales teams and leads with agent-builder and tool-steps.
On pricing, Bubble is the clear winner for budget-conscious users — starting at $32/mo compared to $199/mo for Relevance AI. That $167/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Bubble offers broader built-in capabilities (7 features vs 6), while Relevance AI takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for agencies — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.