Stackby
Voiceflow
| Feature | Stackby | Voiceflow |
|---|---|---|
| Pricing | Free / from $5/mo | Free / from $50/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.1 / 5 | 4.4 / 5 |
| Best For | small-businesses, solopreneurs, budget-conscious-teams, non-technical-users | product-teams, conversation-designers, agencies, enterprise-companies |
| Founded | 2019 | 2019 |
| Api Columns | ✓ | ✗ |
| Column Types | ✓ | ✗ |
| Views | ✓ | ✗ |
| Forms | ✓ | ✗ |
| Automations | ✓ | ✗ |
| Pre Built Templates | ✓ | ✗ |
| Visual Designer | ✗ | ✓ |
| Knowledge Base | ✗ | ✓ |
| Api Steps | ✗ | ✓ |
| Variables | ✗ | ✓ |
| Prototyping | ✗ | ✓ |
| Analytics | ✗ | ✓ |
✓ Stackby Pros
- Very affordable pricing
- API column type for live data
- Pre-built templates for common use cases
- Good Airtable alternative
✗ Stackby Cons
- Smaller user community
- UI less polished than competitors
- Limited automation capabilities
✓ 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
Stackby is built for small businesses and solopreneurs, with a focus on api-columns and column-types. Voiceflow targets product teams and conversation designers and leads with visual-designer and knowledge-base.
On pricing, Stackby is the clear winner for budget-conscious users — starting at $5/mo compared to $50/mo for Voiceflow. That $45/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.
Voiceflow edges out on user ratings (4.4 vs 4.1). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Bottom line: Voiceflow has a slight overall edge — but if very affordable pricing matters most to you, Stackby may still be the right call.