GrowthBook vs Justuno
Updated June 2026 · A structured head-to-head comparison.
Open-source flags and A/B testing.
The verdict
Both GrowthBook and Justuno are credible feature flags tools, and the right pick comes down to your priorities.
GrowthBook — Open-source flags and A/B testing.
Justuno — On-site conversion and personalization.
GrowthBook vs Justuno: side by side
| Dimension | GrowthBook | Justuno |
|---|---|---|
| Starting price | Free – $20/user/mo | Free – $39/mo |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Subscription |
| Best for | Product Teams, Data Teams | Ecommerce, Marketers |
| Platforms | Web, Self Hosted, Api | Web, Api |
| Rating | 4.6/5 | 4.5/5 |
GrowthBook key facts
- Vendor
- GrowthBook
- Pricing
- Freemium — Free – $20/user/mo
- Free tier
- Yes
- Platforms
- Web, Self Hosted, Api
- Best for
- Product Teams, Data Teams
- Editor rating
- 4.6 / 5
- Founded
- 2020
- Headquarters
- San Francisco, CA, USA
Justuno key facts
- Vendor
- Justuno
- Pricing
- Subscription — Free – $39/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Ecommerce, Marketers
- Editor rating
- 4.5 / 5
- Founded
- 2010
- Headquarters
- San Francisco, CA, USA
Frequently asked questions
Is GrowthBook better than Justuno?
Neither is universally better — GrowthBook edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is GrowthBook or Justuno cheaper?
GrowthBook is the more affordable of the two to get started, at free – $20/user/mo. GrowthBook starts at free – $20/user/mo; Justuno starts at free – $39/mo.
Can GrowthBook replace Justuno?
Yes for most teams — both are feature flags tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.