Acronis vs Clerk

Acronis is a Swiss-headquartered cyber protection company founded in 2003, known for its True Image disk imaging software and, today, mainly for a multitenant platform that managed service providers use to back up, secure and manage their clients' systems. EQT agreed in 2024 to take a majority stake, and Acronis says more than 20,000 service providers and 750,000 businesses use its platform.

The business offering, marketed as the Acronis Cyber Platform and sold to service providers as Acronis Cyber Protect Cloud, combines backup of servers, PCs, VMs and Microsoft 365 or Google Workspace with disaster recovery, EDR and MDR, email security, data loss prevention, patching, RMM and PSA-style billing and service desk tools. MSPs pay per workload for actual usage; IT departments buy one to three year terms. The consumer line, Acronis True Image, is sold per year: Essentials for local backup and cloning, Advanced with cloud storage and anti-malware, and Premium with 1 TB or more of cloud storage.

Acronis fits MSPs that want one console for backup, security and RMM, and home or small-office users who need full-disk images and cloning. Backblaze is simpler and cheaper for plain cloud backup, Afi.ai focuses on SaaS backup for Microsoft 365 and Google Workspace, and Veeam is the usual choice for large virtualized data centers.

Buying tip: True Image prices rise with each extra computer and terabyte, so a 3 or 5 computer pack is better value for households. MSPs should check which security modules they already license elsewhere.

Clerk is an authentication and user management service built for modern JavaScript applications, based in San Francisco. Instead of writing sign-in flows yourself, you drop in prebuilt React components such as SignIn, SignUp, UserButton, UserProfile and OrganizationSwitcher that look polished out of the box and handle the security details behind them.

Clerk supports email and password, magic links, one-time codes, passkeys and more than twenty social providers, along with multi-factor authentication, bot protection, session management and device tracking. Organizations, roles and permissions cover B2B SaaS needs, and SDKs exist for Next.js, React, Remix, Expo, Astro, Vue and backend frameworks. Since February 2026 the free Hobby plan covers up to 50,000 monthly retained users per app, replacing the earlier 10,000-user limit; Pro and Business are flat monthly fees with per-user charges above the included volume, and SAML SSO and advanced MFA sit in paid tiers. In 2025 Clerk Billing, built on Stripe, added subscription plans and feature gating tied to users and organizations.

Clerk fits React and Next.js teams that want production-grade auth with excellent UX on day one. The trade-offs are that user data lives with a third party, per-user costs grow with scale, and non-JavaScript stacks are less well served. Auth0 targets enterprises with broader protocol support, Supabase Auth and Firebase Auth come bundled with a backend, and Better Auth or Keycloak let you own the data entirely.