Stack Auth Pricing 2026
Plans, costs, and free options for Stack Auth
Last updated: February 2, 2026
TL;DR: Stack Auth Pricing
Pricing Model
Freemium
Starting Price
$49 / mo
Free Option
Yes ✓
Freemium
Pricing Model
Stack Auth offers a free tier with basic features, plus paid plans for users who need more advanced functionality.
Free Tier Available
Basic features included at no cost
Paid Upgrades
Premium features with paid plans
Available Plans
Free
Free
Team
$49 / mo
- Custom branding
- SSO with OIDC/OAuth
- Priority support
Growth
$299 / mo
- Custom branding
- SSO with OIDC/OAuth
- 3 SAML SSO connections (then $99 each)
- Priority support
- Premium support
Stack Auth vs Competitors: Pricing Comparison
See how Stack Auth pricing compares to similar tools in Identity & Access
| Tool | Free Tier | Starting Price | Score | |
|---|---|---|---|---|
Stack AuthCurrent Open-source authentication and user mana... | Yes | $49 / mo | —/100 | Details → |
 FusionAuth Customer identity and access management | Yes | $125/mo | 84/100 | Pricing → |
SuperTokens Open-source user authentication | Yes | $100/mo | 80/100 | Pricing → |
 AutheliaBest Value Open-source authentication and authoriza... | Yes | Free | 80/100 | Pricing → |
KeycloakTop Rated Open-source identity and access manageme... | Yes | Free | 88/100 | Pricing → |
Prices shown are starting prices. Actual pricing may vary based on features and team size.
See all alternatives →Stack Auth Pricing FAQ
How much does Stack Auth cost?
Stack Auth offers the following plans: Free (Free), Team ($49 / mo), Growth ($299 / mo). A free tier is available.
Is there a free version of Stack Auth?
Yes, Stack Auth offers a free tier with basic features. Upgrade to a paid plan for more functionality.
Does Stack Auth offer a free trial?
Check Stack Auth's official website for current trial offers.
What are cheaper alternatives to Stack Auth?
Free or freemium alternatives include FusionAuth, SuperTokens, Authelia. View our full comparison to find the best value.
How much does Stack Auth cost?
Stack Auth offers a 'Free' plan for individuals, a 'Team' plan at $49/month, and a 'Growth' plan at $299/month. Higher tiers offer more users, dashboard admins, and SAML SSO connections.
Is Stack Auth free?
Yes, Stack Auth offers a 'Free' plan for individuals, which includes up to 10,000 users, unlimited teams, unlimited projects, and 1 dashboard admin.