AlterAuth vs Authio

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

AlterAuth

See full pricing history

USD · US · source: www.alterauth.rest

Plan	Pricing	Charged by	Offer type
Hobby	Free $0 for up to 1K MAU	Usage · up to 1,000 MAU	Standalone · Free
Startup Highlighted	USD 49 monthly $49/month for 25K MAU	Usage · per month with 25,000 MAU	Standalone · Fixed
Scale	USD 199 monthly $199/month for 250K MAU	Usage · per month with 250,000 MAU	Standalone · Fixed
Enterprise	Contact sales Custom volume pricing	Usage · custom volume pricing	Standalone · Contact sales

Authio

See full pricing history

USD · US · source: www.authio.com

Plan	Pricing	Charged by	Offer type
Developer	Free Free	Usage · up to 10,000 monthly active users	Standalone · Free
Starter Highlighted	USD 129 monthly $129/month	Flat · per month	Standalone · Fixed
Pro	USD 449 monthly $449/month	Flat · per month	Standalone · Fixed
Enterprise	Contact sales Talk to us	Flat · custom identity requirements	Standalone · Contact sales

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

AlterAuth

Hobby

Plan card 1,000 monthly active users: Included
Plan card Behavioral biometrics: Included
Plan card Stateless JWT tokens: Included
Plan card 1 environment: Included

Startup

Plan card 25,000 monthly active users: Included
Plan card Anti-deepfake MFA: Included
Plan card Intent-bound agent tokens: Included
Plan card 30-day audit logs: Included

Scale

Plan card 250,000 monthly active users: Included
Plan card Agent auditing: Included
Plan card One-year audit logs: Included
Plan card Unlimited environments: Included

Enterprise

Plan card SSO and SAML: Included
Plan card SCIM: Included
Plan card SOC 2 support: Included
Plan card Dedicated SLA: Included

Authio

Developer

Plan card 10,000 MAUs: Included
Plan card Passwordless authentication: Included
Plan card One organization: Included
Plan card One application: Included

Starter

Plan card 10,000 MAUs: Included
Plan card Three SSO and SCIM connections: Included
Plan card Five organizations: Included
Plan card 30-day audit retention: Included

Pro

Plan card 25,000 MAUs: Included
Plan card Unlimited SSO and SCIM: Included
Plan card 50 organizations: Included
Plan card Fine-grained authorization: Included

Enterprise

Plan card Dedicated infrastructure: Included
Plan card HIPAA BAA and DPA: Included
Plan card Regional residency options: Included
Plan card Bring-your-own KMS: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

AlterAuth

August 27, 2026 Source
- Hobby: Free
- Startup: USD 49 monthly
- Scale: USD 199 monthly
- Enterprise: Contact sales

Authio

August 27, 2026 Source
- Developer: Free
- Starter: USD 129 monthly
- Pro: USD 449 monthly
- Enterprise: Contact sales