AlterAuth vs Authsignal

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

Authsignal

See full pricing history

USD · US · source: www.authsignal.com

Plan	Pricing	Charged by	Offer type
Professional	USD 1099 monthly Plans from $1,099/month.	Usage · MAU	Standalone · Starting at
Enterprise	Contact sales Talk to us about volume-based pricing	Usage	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

Authsignal

Professional

Highlights Support for up to 20,000 MAU: up to 20,000 MAU

Included
Highlights SOC2 Type 2 + base-level SLAs & SSO: Included
Highlights Priority support - Slack / Teams channel + onboarding: Included
Highlights Risk-based adaptive MFA & passwordless authentication: Included
Highlights No-code rules engine for fraud prevention & step-up auth: Included
Highlights Email OTP, SMS OTP, TOTP, Push auth & more: Included
Highlights FIDO-certified Passkey Server with advanced passkey metrics and reporting: Included
Highlights Hosted pre-built UI flows + SDKs for fast integration: Included
Highlights Custom domains and contextual authentication messaging: Included

Enterprise

Highlights Enterprise SLAs, DPA & flexible terms: Included
Highlights Advanced compliance due diligence: Included
Highlights White-glove onboarding, assigned account manager & dedicated support channels: Included
Highlights Advanced identity proofing, biometric authentication, WhatsApp OTP and authentication flow builder: Included
Highlights Log-shipping of audit trails: Included
Highlights Authsignal integrations - ServiceNow, Salesforce & Amazon Connect: Included
Highlights Terraform IaC support for infrastructure-as-code deployment: Included
Highlights Branded client API domains, device attestation and digital credentials: Included
Highlights Architecture reviews, design workshops & UX guidance: 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

Authsignal

August 27, 2026 Source
- Professional: USD 1099 monthly
- Enterprise: Contact sales
August 27, 2026 Source
- Professional: USD 1099 monthly
- Enterprise: Contact sales