Best Duo Security Alternatives (2026)
Looking for something other than Duo Security for identity? Here are the 10 alternatives we track, ranked, with verified pricing for each.
Pricing verified Sep 02, 2026
Keep up with your competitors, without the manual work.
Outmano tracks pricing, features, roadmaps and reviews across your market, then sends one weekly brief: what changed, and what it means for you.
Duo Security alternatives at a glance
| Product | Entry price | Plans | Free plan | Free trial |
|---|---|---|---|---|
| Duo Security this page's subject | $3/mo | 4 | Yes | Yes |
| Auth0 | $35/mo | 4 | Yes | No |
| Clerk | $25/mo | 4 | Yes | No |
| Descope | $249/mo | 4 | Yes | No |
| Frontegg | Custom | 2 | Yes | No |
| FusionAuth | $162/mo | 4 | Yes | No |
| JumpCloud | $11/mo | 6 | No | Yes |
| Kinde | $25/mo | 4 | Yes | No |
| Okta | $6/mo | 4 | No | Yes |
| Stytch | Custom | 2 | Yes | No |
| SuperTokens | $0/mo | 2 | Yes | No |
-
Auth0
IdentityAuthentication and authorization platform.
Auth0 plays in the premium lane compared to newer entrants like Clerk or Supabase Auth, banking on Okta's enterprise pedigree and battle-tested reliability to justify the price gap. They're not chasing indie developers on cost — they're defending enterprise accounts that need compliance certifications and won't blink at custom pricing.
Plans: Free $0/mo · Essentials $35/mo · Professional $240/mo · Enterprise Contact Sales
-
Clerk
IdentityAuthentication for modern apps.
Sitting comfortably in the mid-market between bare-bones DIY auth (Firebase, Supabase Auth) and heavyweight enterprise identity platforms like Okta or Auth0, Clerk's $25 entry point undercuts Auth0's typical dev-tier pricing while still packing in prebuilt UI components. They're chasing developer-first teams who want auth solved fast without babysitting infrastructure, not enterprises with existing IAM investments.
Plans: Hobby $0/mo · Pro $25/mo · Business $300/mo · Enterprise Contact Sales
-
Descope
IdentityNo-code authentication flows.
Sitting between free-tier auth tools like Supabase Auth and heavyweight enterprise IAM players like Okta or Ping, Descope positions itself as the mid-market bridge — more capable than a bare-bones auth library, cheaper than a full enterprise identity suite. They're clearly trying to win teams that have outgrown DIY auth but aren't ready to sign an enterprise contract yet.
Plans: Free Forever $0/mo · Pro $249/mo · Growth $799/mo · Enterprise Contact Sales
-
Frontegg
IdentityUser management for B2B SaaS.
Sitting in the self-serve middle of the identity/auth space, Frontegg undercuts enterprise-first players like Okta or Ping by letting you start free and scale usage-based rather than forcing an upfront sales conversation. They're clearly chasing product-led teams who'd otherwise build auth in-house or default to something like Auth0 before it gets expensive.
Plans: Pay as you go $0/mo · Enterprise Contact Sales
-
FusionAuth
IdentityAuth built for developers.
FusionAuth sits in the mid-market auth space competing with Auth0 and Okta CIC, and they're clearly positioning as the more developer-friendly, cost-transparent alternative. At $162/mo for 1K MAUs, they're not the cheapest (Clerk and Stytch have aggressive lower tiers) but they undercut Auth0 significantly at scale, targeting teams that got burned by Auth0's pricing as they grew.
Plans: Community $0/mo · Starter $162/mo · Essentials $240/mo · Enterprise Contact Sales
-
JumpCloud
IdentityOpen directory platform for IT.
JumpCloud sits mid-market against Okta and Microsoft Entra — cheaper and more flexible than Okta's identity-first pricing, but positioned as a full directory replacement rather than just an SSO layer. They're chasing IT teams at SMBs and mid-size companies who want an all-in-one alternative to Active Directory plus a patchwork of point tools, not enterprises who'll pay Okta/Ping premiums for deep integrations.
Plans: Device Management $11/mo · SSO $13/mo · Device Identity Management $15/mo · Platform Essentials Contact Sales · Platform Contact Sales · Platform Prime Contact Sales
-
Kinde
IdentityAuth and billing for modern SaaS.
Kinde sits in the budget-to-mid range against players like Auth0 or WorkOS, undercutting them significantly at the entry tiers while still offering enough depth to poach teams frustrated by Auth0's notoriously confusing pricing. They're clearly gunning for developers who want predictable-ish costs without enterprise sales calls, not the Fortune 500 crowd.
Plans: Free $0/mo · Pro $25/mo · Plus $75/mo · Scale $250/mo
-
Okta
IdentityIdentity and access management.
Okta plays premium in the identity space, banking on being the safe enterprise choice against cheaper bundled alternatives like Microsoft Entra ID. The opaque Enterprise/Professional pricing and $3K/month CIAM floor signal they're not chasing budget-conscious buyers — they want mid-market and up who'll tolerate custom quotes for best-in-class identity infrastructure.
Plans: Starter $6/mo per seat · Essentials $17/mo per seat · Professional Contact Sales · Enterprise Contact Sales
-
Stytch
IdentityPasswordless auth infrastructure.
Sits in the modern auth-as-a-service middle ground — pricier and more dev-focused than bare-bones tools like Firebase Auth, but still accessible compared to legacy identity giants like Okta or Ping. They're chasing product-led teams who'll self-serve on PAYG before eventually graduating into an enterprise contract.
Plans: Pay as you go $0/mo · Enterprise Contact Sales
-
SuperTokens
IdentityOpen-source user authentication.
SuperTokens undercuts the Auth0/Okta crowd hard by giving away self-hosting entirely and pricing cloud MAUs cheap at the low end — this is clearly aimed at cost-conscious dev teams who got burned by auth vendor bills scaling faster than their user base. The volume discounts past 10K MAUs suggest they're also chasing mid-market accounts who'd otherwise negotiate enterprise deals elsewhere.
Plans: Self-hosted $0/mo · Cloud $0/mo
None of these fit? See every identity tool we price →
Duo Security Alternatives FAQ
- What is the best alternative to Duo Security?
- Auth0 is the closest Duo Security alternative we track for identity. Paid plans start at $35/mo, and there is a free plan to start on. Clerk and Descope are also worth a look.
- Are there free alternatives to Duo Security?
- Yes — Auth0, Clerk, Descope and 5 more offer a free plan, so you can switch without paying up front.
- How much do Duo Security alternatives cost?
- Entry prices range from $0/mo (SuperTokens) to $249/mo (Descope). Each product page has the full verified tier breakdown.
- Is there a cheaper alternative to Duo Security?
- Yes — Duo Security starts at $3/mo, while SuperTokens ($0/mo) starts lower.
Set it up once. Stay ahead all year.
Add the competitors you care about and Outmano does the watching, then hands you a weekly action plan with what to do next.