Relevance AI
Voiceflow
| Feature | Relevance AI | Voiceflow |
|---|---|---|
| Pricing | Free / from $199/mo | Free / from $50/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.4 / 5 |
| Best For | operations-teams, sales-teams, agencies, business-analysts | product-teams, conversation-designers, agencies, enterprise-companies |
| Founded | 2020 | 2019 |
| Agent Builder | ✓ | ✗ |
| Tool Steps | ✓ | ✗ |
| Knowledge Base | ✓ | ✓ |
| Scheduling | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Analytics | ✓ | ✓ |
| Visual Designer | ✗ | ✓ |
| Api Steps | ✗ | ✓ |
| Variables | ✗ | ✓ |
| Prototyping | ✗ | ✓ |
✓ 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
✓ Voiceflow Pros
- Best-in-class visual conversation designer
- Team collaboration built in
- Powerful API step for custom logic
- Knowledge base with RAG support
✗ Voiceflow Cons
- Expensive for solo builders
- Learning curve for advanced features
- Limited built-in channel integrations
The Verdict
Relevance AI is built for operations teams and sales teams, with a focus on agent-builder and tool-steps. Voiceflow targets product teams and conversation designers and leads with visual-designer and knowledge-base.
On pricing, Voiceflow is the clear winner for budget-conscious users — starting at $50/mo compared to $199/mo for Relevance AI. That $149/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.
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.