Stack Auth Pricing 2026
Plans, hidden costs, and alternatives compared
Cite this data: Toolradar, Stack Auth pricing verified Oct 2026, toolradar.com/tools/stack-auth/pricing
Stack Auth starts at $49/month on the Team plan.
Verified Oct 2026 from the official pricing page.
Is Stack Auth worth the price?
Stack Auth's pricing is fair for its target audience.
The Free tier is generous for individual developers, while the Team tier at $49/month offers essential upgrades. The Growth tier at $299/month seems reasonable for larger organizations needing advanced SSO features.
It's best for developers and small to medium businesses prioritizing rapid integration and flexibility.
Pricing Plans
Free
Team
$49 / mo
Everything in all plans.
Growth
$299 / mo
Everything in all plans, plus:
- 3 SAML SSO connections (then $99 each)
- Premium support
Included in all plans
- Custom branding
- SSO with OIDC/OAuth
- Priority support
Hidden Costs & Gotchas
Additional SAML SSO connections at $99 each on Growth tier.
How Stack Auth compares
4 of 4 direct competitors offer a free plan.
| Tool | Starting price | Free plan |
|---|---|---|
| Stack Auth | $49/month, billing unit not specified | Yes |
| FusionAuth | $125/month, billing unit not specified | Yes |
| SuperTokens | $100/month, billing unit not specified | Yes |
| Authelia | Free | Yes |
| Keycloak | Free | Yes |
Stack Auth Pricing FAQ
How much does Stack Auth cost?
Stack Auth starts at $49/month on the Team plan. It offers 2 paid tiers ranging from $49/month to $299/month. A free plan is also available.
Does Stack Auth have a free plan?
Yes. Stack Auth offers a free plan called "Free".
What is the cheapest Stack Auth paid plan?
The cheapest paid plan for Stack Auth is "Team" at $49/month. Key features include: Custom branding, SSO with OIDC/OAuth, Priority support.
What are alternatives to Stack Auth?
Alternatives to Stack Auth include FusionAuth, SuperTokens, Authelia, Keycloak. Authelia, Keycloak are fully free. FusionAuth starts at $125/month, billing unit not specified; SuperTokens starts at $100/month, billing unit not specified.
Stack Auth alternatives
Direct competitors. Starting prices match the table above.
Sources
- Official Stack Auth pricing: stack-auth.com/pricing (verified Oct 2026)
- Cite this data: Toolradar, Stack Auth pricing verified Oct 2026, toolradar.com/tools/stack-auth/pricing
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