Supabase Auth vs Logto
Answer: As of 2026-10-30: Supabase Auth wins 1k users · no SSO at $0/mo ($0/yr less than Logto); Supabase Auth wins 10k users · 1 SSO at $27.25/mo ($537/yr less than Logto); Supabase Auth wins 50k users · 5 SSO at $39.25/mo ($2,697/yr less than Logto); Supabase Auth wins 100k users · 10 SSO at $54.25/mo ($5,397/yr less than Logto).
Cost by MAU (no SSO)
| Monthly users | Supabase Auth | Logto |
|---|---|---|
| 10k users | $0 Free (platform) | $0 Free |
| 50k users | $0 Free (platform) | $0 Free |
| 100k users | $25 Pro (platform) | $24* Pro |
With enterprise SSO
| Scenario | Supabase Auth | Logto |
|---|---|---|
| 1k users · no SSO | $0 Free (platform) | $0 Free |
| 10k users · 1 SSO | $27.25 Pro (platform) | $72 Pro |
| 50k users · 5 SSO | $39.25 Pro (platform) | $264 Pro |
| 100k users · 10 SSO | $54.25 Pro (platform) | $504 Pro |
Cheapest verified plan per vendor, monthly USD list price. * Logto Pro bills access tokens, not MAU (50k tokens included, then $0.08 per 100) — the figure is base fee only; token overage depends on your usage. How we calculate this.
Supabase Auth
Free: 50k MAU. Pro from $25/mo: 100k MAU then $0.00325/MAU. SAML SSO: 50 included then $0.015/MAU. Auth-only cost is entangled with the platform plan.
Source: supabase.com/pricing · 2026-10-30
Logto
Free: 50k MAU / 50k tokens. Pro from $24/mo: unlimited MAU, 50k tokens then $0.08 per 100 extra. Enterprise SSO add-on $48/connector. MFA add-on $48. Organizations add-on $48.
Source: logto.io/pricing · 2026-10-30
Also see: Supabase Auth alternatives · Logto alternatives · all vendors by MAU
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