# Telesign SMS Verify vs UserLock: side-by-side comparison (2026)

[Telesign SMS Verify](https://cybersectools.com/tools/telesign-sms-verify) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [Telesign](https://cybersectools.com/companies/telesign). [UserLock](https://cybersectools.com/tools/userlock) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [IS Decisions](https://cybersectools.com/companies/is-decisions). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best MFA and Passwordless Solutions for Business](https://cybersectools.com/shortlists/best-mfa-passwordless-solutions) picks Okta Adaptive MFA, Cisco Duo Passwordless, Beyond Identity Phishing-Resistant MFA and 4 more.

## Side-by-side comparison

| | Telesign SMS Verify | UserLock |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | MFA & Passwordless | MFA & Passwordless |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Telesign | IS Decisions |
| Headquarters | – | – |

### Use cases and capabilities

| | Telesign SMS Verify | UserLock |
|---|---|---|
| MFA | Yes | Yes |
| Authentication | Yes | Yes |
| Active Directory | – | Yes |
| Single Sign On | – | Yes |
| Multi Tenancy | – | Yes |

### Core features

**Telesign SMS Verify**

10 features listed. Sign in on the page to see them.

**UserLock**

No features listed.

### Integrations

**Telesign SMS Verify**

No integrations listed.

**UserLock**

6 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Telesign SMS Verify](https://cybersectools.com/tools/telesign-sms-verify) fits if you want a cloud product and you are a startup.
- [UserLock](https://cybersectools.com/tools/userlock) fits if you need both cloud and on-premises options.

## Telesign SMS Verify vs UserLock FAQ

Common questions when comparing Telesign SMS Verify vs UserLock for MFA & passwordless.

### What is the difference between Telesign SMS Verify and UserLock?

**Telesign SMS Verify**: SMS-based identity verification and MFA using one-time passcodes (OTPs). Built by Telesign.

**UserLock**: IAM solution for Active Directory with MFA, SSO, and context-based access controls. Built by IS Decisions.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Telesign SMS Verify and UserLock?

**Telesign SMS Verify** is made by Telesign. **UserLock** is made by IS Decisions. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Telesign SMS Verify a good alternative to UserLock?

Often, yes. Telesign SMS Verify and UserLock are both MFA & Passwordless products, and both cover MFA, Authentication. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Telesign SMS Verify vs OneLogin Modern Multi-Factor Authentication](https://cybersectools.com/compare/onelogin-modern-multi-factor-authentication-vs-telesign-sms-verify)
- [Telesign SMS Verify vs WWPass MFA](https://cybersectools.com/compare/telesign-sms-verify-vs-wwpass-mfa)
- [Telesign SMS Verify vs Mi-Token](https://cybersectools.com/compare/mi-token-vs-telesign-sms-verify)
- [UserLock vs OneLogin Modern Multi-Factor Authentication](https://cybersectools.com/compare/onelogin-modern-multi-factor-authentication-vs-userlock)
- [UserLock vs WWPass MFA](https://cybersectools.com/compare/userlock-vs-wwpass-mfa)
- [UserLock vs Mi-Token](https://cybersectools.com/compare/mi-token-vs-userlock)

## Alternatives to each

- [See all Telesign SMS Verify alternatives](https://cybersectools.com/alternatives/telesign-sms-verify)
- [See all UserLock alternatives](https://cybersectools.com/alternatives/userlock)

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Source: https://cybersectools.com/compare/telesign-sms-verify-vs-userlock

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More on Telesign SMS Verify and UserLock: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md