Head-to-Head Comparison · Alternative to Microsoft Authenticator · 🔐 security
Microsoft Authenticator vs Aegis Authenticator
Android app for managing two-factor authentication tokens with encrypted storage, biometric unlock, flexible backups, and import/export from major 2FA apps. Here is how Aegis Authenticator ($0/mo open source) stacks up against Microsoft Authenticator ($6/mo) across cost, hosting, data privacy, and real-world trade-offs.
Aegis Authenticator is a verified Open Source-licensed open-source replacement for Microsoft Authenticator. Switching from Microsoft Authenticator ($6/mo) saves $72/yr per solo seat, or $360/yr for a 5-person team. Deployment: Runs on Local.
The catch: Community-driven open source project without dedicated enterprise SLAs.
Aegis Authenticator
$0.00/mo · Open Source
Microsoft Authenticator vs Aegis Authenticator Specifications
facts verified 2026-11-07
| Dimension | Microsoft Authenticator (Paid) | Aegis Authenticator (Replacement) |
|---|---|---|
| Monthly Price | $6 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $72 / yr | $0 / yr (Save $72) |
| 1-Year Cost (5 seats) | $360 / yr | $0 / yr (Save $360) |
| 1-Year Cost (10 seats) | $720 / yr | $0 / yr (Save $720) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Local (on your machine) |
| Platforms | Web / Cloud | desktopcross-platformone-click install |
| GitHub Stars | — | ★ 13.5k (active nov 2026) |
Deep Dive: Switching from Microsoft Authenticator to Aegis Authenticator
Trade-offs, installation & data architecture
What you trade away
Community-driven open source project without dedicated enterprise SLAs.
How to deploy Aegis Authenticator
Clone https://github.com/beemdevelopment/Aegis or deploy with Docker Compose
What it takes to run
Download the native package or installer for your operating system.
Where your data lives
All application data lives locally on your own machine.
Why fork Aegis Authenticator instead of vibe-coding a Microsoft Authenticator clone?
Instead of paying recurring SaaS fees for Microsoft Authenticator or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like Aegis Authenticator.
Microsoft Authenticator vs Aegis Authenticator FAQ
Is Aegis Authenticator a good free alternative to Microsoft Authenticator?+
Yes. Aegis Authenticator is a verified open-source (Open Source) replacement for Microsoft Authenticator. Android app for managing two-factor authentication tokens with encrypted storage, biometric unlock, flexible backups, and import/export from major 2FA apps.
What is the catch when switching from Microsoft Authenticator to Aegis Authenticator?+
Community-driven open source project without dedicated enterprise SLAs.
How much do you save switching from Microsoft Authenticator to Aegis Authenticator?+
Microsoft Authenticator costs $6/mo ($72/yr) per seat, whereas Aegis Authenticator is $0/mo. Switching saves $72/yr for a solo user, $360/yr for a 5-person team, and $720/yr for a 10-person team.
How do I install or self-host Aegis Authenticator instead of Microsoft Authenticator?+
Install: Clone https://github.com/beemdevelopment/Aegis or deploy with Docker Compose. Setup: Download the native package or installer for your operating system.