Compare Clerk vs. Loginizer

FusionAuth is the authentication and authorization platform engineered for developers who demand flexibility and control. Built from the ground up to integrate with any stack, every feature — from user registration to MFA and SSO — is exposed via a modern, well-documented API. Support for every major identity protocol is included out of the box: OIDC, SAML, OAuth2, JWT, passwordless login, social sign-on, and more. Whether you’re building a greenfield app or retrofitting auth into a legacy system, FusionAuth adapts to your use case — not the other way around. Need compliance? FusionAuth helps you meet GDPR, HIPAA, and COPPA standards quickly and reliably. Deploy it your way: install on Linux, Windows, macOS, Docker, or Kubernetes — or go with FusionAuth Cloud, our managed SaaS hosting. No black boxes. No vendor lock-in. Just powerful, customizable auth that works the way you do.

Auth0 takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user. Auth0 is highly customizable, and simple yet flexible. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation. With Auth0, you can rapidly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control.

Frontegg is a developer platform that enables self-service, security and enterprise-capabilities through a rich user-management interface, freeing up creativity and differentiation. Frontegg's platform provides more than just authentication and SSO via an embedded login-box. It also offers an Admin Portal that serves as the Settings area for your users. The Admin Portal lets your users manage all aspects of their accounts. Users can assign roles and permissions to users and teams, create and assign roles and permissions, view audit logs, subscribe for webhooks, and more. Frontegg interfaces can be embedded within your app as a UI layer and become a customer-facing management interface. This interface is available for both personal and workspace level. Frontegg can also power-up your backend with rich SDKs that are available in various languages and frameworks.

Authentication is a pivotal moment in your customer's journey. With Kinde, you can take full control. We provide passwordless authentication, social logins, and enterprise SSO to give your users flexible, secure access. You can fully customize the UI with your own designs and domains, ensuring a seamless, on-brand experience. For complex needs, our powerful workflows let you run custom code during authentication. Plus, you can easily organize business customers using our organizations feature, allowing you to fine-tune the experience for each one. Beyond authentication, Kinde helps you monetize your business quickly. You can effortlessly create subscription plans and collect revenue. Our platform is built to support B2C, B2B, and B2B2C business models, with robust organization management and flexible billing logic that scales as you grow.

Sumsub is a single verification platform that allows you to onboard more customers worldwide, speed up their access, reduce costs, and fight digital fraud. Sumsub combines effective verification flows with higher conversion rates worldwide through a powerful, all in one suite designed for a wide variety of needs: KYC/AML verification, KYB verifications, payment fraud prevention and face authentication.

Plaid is an international data network that powers tools used by millions of people to live a more healthy financial life. Our ambition is to facilitate an inclusive, competitive and mutually beneficial financial systems by simplifying payments and revolutionizing lending. Plaid works with more than 8,000 companies, including fintechs such as Venmo and SoFi and several Fortune 500 companies, to give people more control and choice over how they manage money. Plaid is headquartered in San Francisco and its network spans more than 12,000 institutions throughout the US, Canada UK and Europe.

Veriam brings access and subscription management together in a single, secure platform designed to simplify operations, reduce admin time, and improve security. From onboarding to offboarding, Veriam makes it easy to manage access permissions and subscription plans for customers, partners, and employees—all in one place. With Veriam, access permissions and subscription updates happen in real-time. When subscriptions are renewed, upgraded, or changed, access is automatically updated too—so customers always have the right access, without delays. This real-time synchronization means fewer support tickets and a better customer experience. Users only need one login to access products, subscriptions, and data from any organization using Veriam. No more juggling multiple logins or passwords—just a smooth, familiar experience every time they log in. Veriam offers self-service. Customers can update their own subscriptions, manage access, and change profile details without support. This reduces the load on support teams and gives users more control. Built with security and compliance in mind, Veriam follows industry standards, giving you confidence that customer data is handled securely. Try us out today!

You can deploy anywhere with co-managed threat detection/response. ConnectWise SIEM (formerly Perch) is a co-managed threat detection and response platform that is supported by an in-house Security Operations Center. ConnectWise SIEM was designed to be flexible and adaptable to any business size. It can also be tailored to your specific needs. With cloud-based SIEMs, deployment times are reduced from months to minutes. Our SOC monitors ConnectWise SIEM and gives you access to logs. Threat analysts are available to you from the moment your sensor is installed.

TruGrid SecureRDP secures access to Windows desktops and applications from any location. It is a DaaS solution that employs a Zero Trust model without firewall exposure. Key Benefits of TruGrid SecureRDP: - No Firewall Exposure & No VPN Needed: Enables remote access without opening inbound firewall ports - Zero Trust Access Control: Restricts connections to pre-authenticated users, reducing ransomware threats - Cloud-Based Authentication: Removes the reliance on RDS gateways, SSL certificates, or third-party MFA tools - Enhanced Performance: Uses a fiber-optic network to minimize connection delays - Quick Deployment & Multi-Tenant Support: Fully operational in under an hour with an intuitive multi-tenant console - Integrated MFA & Azure Compatibility: Supports built-in MFA along with Azure MFA & Active Directory - Broad Device Compatibility: Works seamlessly across Windows, Mac, iOS, Android, and ChromeOS - Always-On Support & Free Setup: 24/7 assistance and complimentary onboarding

MobiPDF (formerly PDF Extra) is an intuitive reader and editor that allows you to read, edit, create, OCR, organize, annotate, fill and sign, convert, and share any PDF. This makes MobiPDF an excellent choice for users seeking a budget-friendly alternative to Adobe Acrobat Pro. HERE’S WHAT YOU GET WITH MOBIPDF: Multiple Page View Modes: Enjoy a distraction-free "Read Mode". Advanced Editing Tools: Experience a Word-like PDF editing environment. Two-Way Conversions: Convert PDFs to and from Word, Excel, PowerPoint, or image formats. OCR Support: Make scanned documents searchable. Markup Tools: Highlight, comment, strikethrough, stamp, and more to enhance your documents. Effortless PDF Organizer: Reorder, compress, split, and combine PDFs with ease. Sign & Secure: Add signatures, create and fill forms, and protect your PDFs with passwords, encryption, and digital certificates. Offline Mode: Work freely on your projects, even offline. Seamless translation: One-click translate any PDF into 50+ languages.