Which is cheaper, Logto or Stack Auth?

Logto is 2.0x cheaper than Stack Auth. Logto starts at $0/mo, Stack Auth starts at $0/mo.

Does Logto have a free tier?

Yes, Logto offers a free tier with mau: 50000, tokens: 50000, applications: 3, m2mApps: 1, webhooks: 1, auditLogRetentionDays: 3, tenantMembers: 1.

Logto has moderate switching cost. Stack Auth has drop-in switching cost. Stack Auth is easier to switch away from.

Auth

Logto

← More affordable

Open-source auth infrastructure with SSO, MFA, RBAC, organizations, and multi-tenancy

Switching Cost: moderate

Stack Auth

Open-source Auth0/Clerk alternative with managed hosting or free self-hosting, built for Next.js

Switching Cost: drop-in

Price sensitivity favors Logto, which costs about 2.0x less than Stack Auth.

Their pricing models diverge: Logto uses hybrid, while Stack Auth operates on a per-seat basis.

Price-conscious teams should choose Logto — the cost advantage is hard to ignore, especially for growing workloads.

Price-conscious teams should choose Logto — the cost advantage is hard to ignore, especially for growing workloads.

Price Difference

2.0x

Logto is cheaper by $25/mo

Pricing Model

Different

Tools charge using different pricing philosophies

Switching Costs

Stack Auth

Lower switching costs for easier migration